White Papers
Abstract
This techdoc supplements the earlier Techdoc z/OS Communications Server TCP/IP: Hints and Tips. It indicates where to find additional hints and tips for all z/OS Communications Server TCP/IP users, and for a number of widely used z/OS Communications Server TCP/IP functions.
Content
| This Techdoc discusses hints and tips for all z/OS Communications Server TCPIP users, as well as for users of specific TCP/IP functions, as listed below: |
- IPv6
- Shared Memory Communications over Remote Direct Memory Access (SMC-R)
- Shared Memory Communications - Direct Memory Access (SMC-D)
- Syslogd
- z/OS mail servers
- Communications Server SMTP (CSSMTP) client
- IP Security (IPSec)
- Kerberos
- Trusted TCP Connections
- Defense Manager Daemon (DMD)
- FTP
- X.25 NPSI
- z/OS Load Balancing Advisor
- TN3270E Telnet Server
- z/OS UNIX Telnet server (otelnetd)
- OMPROUTE
- TCP/IP Performance
- VIPA without dynamic routing
- SSL/TLS
- Intrusion Detection Services (IDS)
- Quality of Service (QoS)
- IP Filtering
- Network Security Services (NSS) for IPSec clients
- Application Transparent Transport Layer Security (AT-TLS)
- Policy-based Routing (PBR)
- Policy Agent (PAGENT)
- Simple Network Management Protocol (SNMP)
- Sysplex Connectivity
- Sysplex Distributor
- Sysplex-wide Security Associations (SWSA)
- IP Storage growth and abends
- IP CICS Sockets API
- REXX Sockets API
- Macro Sockets API
- Pascal Sockets API
- C Sockets API
- X/Open Transport Interface (XTI) IPv4 Socket API
- Network Management APIs
- X Window System API
- Netstat
- Ping
- IP Resolver
- LCS, QDIO, and OSA Express
- HiperSockets (iQDIO)
- z/OSMF Configuration Assistant for z/OS Communications Server
- Enterprise Extender
- CSM
- Automated Domain Name Registration (ADNR)
- IP Printing
- Remote Execution (REXEC)
- rpcbind
- PORTMAP
- System Management Facility (SMF)
- Digital Certificate Access Server (DCAS)
- NetAccess
- Fast Response Cache Accelerator (FRCA)
- TCP/IP in an ensemble
- TCP/IP callable NMI (EZBNMIFR)
- Path MTU Discovery
- QDIO Accelerator
- Common INET (CINET)
- CTRACE
- Simple Network Time Protocol Daemon (SNTPD)
- z/OS Encryption Readiness Technology (zERT)
- Miscellaneous
All TCP/IP Users
- Configuration
- See Part 1. Base TCP/IP system, in the IP Configuration Guide
- Diagnosis
- See, in the IP Diagnosis Guide, the following topics:
- Event trace (SYSTCPIP) for TCP/IP stacks and Telnet
- Packet trace (SYSTCPDA) for TCP/IP stacks
- Data trace (SYSTCPDA) for TCP/IP stacks
- APAR PI96477 VARIOUS ABENDS IN TCPIP RUNNING IN AR MODE (V2R2, V2R3)
- APAR PI96363 AB/S00C4 RC 003B EZBPTTRC (HIP6220 15.077)+001542 (V2R1, V2R2, V2R3)
- APAR PI94955 ABEND0C4-38 IN EZBIPMCR+2F7A (V2R3)
- APAR PI91114 Incorrect Smoothed Round-Trip-Time for low activity sessions (V2R2, V2R3)
- APAR PI90773: TCP/IP STACK LOGIC TO UNREGISTER IPV6 MULTICAST GROUP WITH OSA iS INCORRECT (V2R1, V2R2, V2R3)
- APAR PI88970: SACK (SLE/SRE) NOT HONORED FOR INBOUND TCP PACKETS DURING TRANSFER (V2R1, V2R2, V2R3, FIN)
- APAR PI87015: TCPPULLUP causes CSM HVCOMM storage constrained condition (V2R2, V2R3)
- APAR PI86992: OUTBOUND PACKETS CAN BE SENT WITH AN MSS LARGER THAN NEGOTIATED (V2R3)
- APAR PI86806: TCP LAYER IS EXITING FRR PREMATURELY (V2R2, V2R3)
- APAR PI86805: ABEND0C4-4 IN EZBT6SND+2FF0 (V2R1, V2R2, V2R3, FIN)
- APAR PI84331: TCPIP USAGE OF CSM STORAGE EFFICIENCY IMPROVEMENT (V2R3)
- APAR PI82975: ASYNCIO REQUEST FAILS WITH -1, 0461, 76650446 IN THE BPX1AIO/BPX4AIO RETURN INFORMATION WHEN AIOCMD=AIO#ANR (V2R2, V2R3)
- APAR PI82446: WHEN FORMATTING DATTRACE OF IPV6 ICMP/RAW PACKETS, RECEIVED ERROR "PTRPT01I CTRACE RECORD INCORRECT. UNKNOWN IP VERSION" (V2R2, V2R3, FIN)
- APAR PI81483: SYSTEM ECSA STORAGE WAS FULL OF TCPIP DUCBS (V2R3)
- APAR PI80618 NEW FUNCTION - ALLOW THE UNDERSCORE CHARACTER IN SYMBOL NAMES IN THE PROFILE.TCPIP DATA SET (V2R2)
- APAR PI80158 TCPIP USAGE OF CSM STORAGE EFFICIENCY IMPROVEMENT (V2R2)
- APAR PI79853: INITIAL SETUP OF ORDER FILES FOR V2R3 IP (V2R3)
- APAR PI78640: WHEN SACK IS ENABLED PACKETS ARE INCORRECTLY SEND WHILE IN FRR (V2R2, V2R3)
- APAR PI75712 NETSTAT VDPT DETAIL / NETSTAT -O DETAIL OUPUT SHOWS CER VALUE 0 OR OTHERWISE LOWER THAN EXPECTED. (V2R2)
- APAR PI75267 TCPMIN AND PFSMIN SESSION REPORT CAN BE FORMATTED WITH LOCAL TIME (V2R2)
- APAR PI75266 ABEND4C5 IN EZBPFSEL (V2R1, V2R2)
- APAR PI75186 TCP PROFILE INCLUDE NOT HONORING SYMBOL SUBSTITUTION ENDING PERIOD (V2R2)
- APAR PI72212 EZZ0401I SYNTAX ERROR IN FILE: <CONSOLE> ON LINE: 1 AT: (V2R1, V2R2)
- APAR PI69399 NETSTAT COMMAND HANGS AND VARIOUS ABENDS (V2R1, V2R2)
- APAR PI69339 SYSTCPOPT WITH OPTION TCPDUMP REPORTS IPV4 TOTAL LENGTH EXCEEDS PACKET LENGTH (V2R1 - FIN)
- APAR PI67916 ABEND0C4 IN EZBTCFWR + X'AE90' OVERLAYING NEXT CSM BUFFER STORAGE (V2R1, V2R2)
- APAR PI65912 POTENTIAL FOR AN INCORRECT TCP WINDOW SIZE TO BE SENT (V2R1, V2R2)
- APAR PI62074: TCPIP TIMERS MAY NOT BE EXPIRING AT CORRECT INTERVALS RESULTING IN UNEXPECTED DELAYS IN TIMER-BASED ACTIVITIES (V2R1, V2R2)
- APAR PI62051: TCPIP TIMERS MAY NOT BE EXPIRING AT CORRECT INTERVALS RESULTING IN UNEXPECTED DELAYS IN TIMER-BASED ACTIVITIES (V1R13)
- APAR PI54832: EXCESSIVE RETRANSMISSION OF PACKETS WITH SACK ENABLED (V2R1, V2R2)
- APAR PI54797: ABEND4C5 0402 IN EZBXFUT3 (V2R1, V2R2) (**** PE16/07/19 FIX IN ERROR. SEE APAR PI66075 FOR DESCRIPTION)
- APAR PI53335: EZZ0318I NOT ISSUED FOR A PORT NUMBER GREATER THAN 65535 (FIN)
- APAR PI52364: MULTIPLE LISTEN() CALLS ON THE SAME IPADDRESS/PORT SUCCEED WITHOUT SHAREPORT WHEN THEY SHOULD FAIL. (V2R1, V2R2)
- APAR PI52017: ABEND4C5 RC 74BE2506 IN EZBITSTO (V2R1, V2R2)
- APAR PI50027: TCPIP SEND TRANSFER RATE EXTREMELY SLOW (V2R1, V2R2)
- APAR PI49962: NEW Z/OS MIGRATION HEALTH CHECK ZOSMIGV2R2_NEXT_CS_LEGACYDEVICE (V2R1, V2R2)
- APAR PI46861: ABEND0C4 IN EZBIFINB (V2R1, V2R2)
- APAR PI46434: TCPIPCS PROFILE INCORRECT CONVERSION OF GATEWAY TO BEGINROUTES (V2R1)
- APAR PI45849: ABEND0C4 ABEND4C5 742D1102 IN MODULE EZBIPOUT IPSec decapsulation failures due to undetected dead peer (V2R1)
- APAR PI44842: TCB LOCK CONTENTION CAUSES SUBSEQUENT SOCKET ALLOCATION TO IN EZBPFCLO (FIN)
- APAR PI44254: OMEGAMON XE TCP CONNECTIONS SUMMARY TABLE DISPLAY OCCASIONALLY HAS AN INVALID VALUE FOR WINDOW SIZE FREQUENCY (V2R1)
- APAR PI41482: ABEND0C4 IN MODULE EZBITTME (V2R1)
- APAR PI41277: DATTRACE DOES NOT COLLECT OUTBOUND RECORDS FOR APPLICATIONS THAT USES ACCEPTANDRECV (BPX1ANR) WITH ATTLS ENABLED (V2R1)
- APAR PI41050: SERVICEABILITY ENHANCEMENT (V2R1)
- APAR PI40051: OMEGAMON II MFNTWKS WHEN TOTAL SEGMENTS RETRANSMITTED WR
- APS AT 65535 THE SEGMENTS RETRANSMITTED FIELD COUNT CAN BE INACCURATE. (V2R1)
- APAR PI38699 FIXED CSM GROWTH FOR CERTAIN TCP CONNECTIONS (V2R1)
- APAR PI38400: TCP THROUGHPUT BEING THROTTLED TOO MUCH (V2R1)
- APAR PI38376: TCP CONNECTS TO A DRVIPA FROM A TARGET SYSTEM (VIPABACKUP) CAN BE USING MSS 536 (MTU 576) UNEXPECTEDLY FOR POOR PERFORMANCE (V2R1)
- APAR PI38272: EZBTCFRD(HIP6220 14.279)+00E1CE S4C5/76652706 (V2R1)
- APAR PI35595 RESET PACKET FOR NON-EXISTANT PORT DOES NOT HAVE ACK SET
- APAR PI35385: AB/S4C5 2509 EZBITSTO +1FA6
- APAR PI34482: CURRENT STALLED CONNECTION COUNTER APPEARS TO BE A CUMULATIVE COUNT. (V2R1)
- APAR PI32425: REASONCODE / ERRNOJR IS NOT SET IN AIOCB WHEN ASYNCIO ERROR OCCURS (FIN)
- APAR PI32128: LOCAL TCP CONNECTION INCORRECTLY SETS SEQUENCE NUMBERS (V2R1)
- APAR PI32127: TCP ASYNC SEND WITH SO_SNDTIMEO SET DOES NOT WORK CORRECTLY
- APAR PI31663: ABEND0C4 PIC4 EZBXFUT3 UI22098 OFFSET B0C2 (V2R1)
- APAR PI31662: ABEND0C4 PIC4 EZB6POUT DUE TO INVALID ZERO REG3 RTERTP POINTER (V2R1)
- APAR PI30195: ABEND0C4 PIC4 IN EZBXFUT6+003D8A (V2R1)
- APAR PI30065: ABEND0C4 IN EZBITTME (V1R13)
- APAR PI29673: ABEND0C4 IN EZBITTME (V2R1)
- APAR PI28400: ABEND4C5 74620402 IN EZBUDWRT (V2R1)
- APAR PI28323: HIGH CPU UTILIZATION IN TCPIP STACK (V2R1)
- APAR PI28295: GETSOCKOPT CALLS FOR SO_xxxBUF RETURNS ZERO (V2R1)
- APAR PI26413: ABEND0C4 PIC 4 IN EZBTCFRD (PTF UI18386) OFFSET X'0118A8' (V2R1)
- APAR PI26087: STACK LOOPS WHEN PROCESSING TN3270 STATEMENT ENCRYPTION WITH SEQUENCE NUMBER (V2R1)
- APAR PI25403: SOME VARY TCPIP COMMANDS IGNORED AFTER SYNTAXCHECK OPEN FAILURE (V2R1)
- APAR PI21269: FRR IS NOT CORRECTLY RE-SENDING LOST PACKETS, INSTEAD "REAL" TCP RE-TRANSMISSION IS OCCURRING (V2R1)
- APAR PI16435: ABEND 4C5/744A2706 IN MODULE EZBTCRD (V1R12)
- APAR PI16098: CONGESTION WINDOW SET TO 1 PACKET DURING SLOW START WHEN PACKET TRACE RUNNING ON A SHARED OSA WITH SEGMENTATION OFFLOAD ENABLED (FIN-V2R1)
- APAR PI12981: NEW Z/OS MIGRATION HEALTH CHECK ZOSMIGV2R1_CS_LEGACYDEVICE (V2R1)
- APAR PI12977: NEW Z/OS MIGRATION HEALTH CHECK ZOSMIGV2R1_CS_LEGACYDEVICE (V1R13)
- APAR PI11897: ABEND 4C5/744A2706 IN MODULE EZBTCRD (V1R13)
- APAR PI08869: ECSA STORAGE SHORTAGE DUE TO CONTENTION ON THE IPMAIN LOCK (V2R1)
- APAR PI08334: ECSA STORAGE SHORTAGE DUE TO CONTENTION ON THE IPMAIN LOCK (V1R13)
- APAR PM97943: ABEND4C5 RC74FF2500 ECSA STORAGE SHORTAGE DUE TO DUSA EXPANSIONS (V2R1)
- APAR PM96813: ADD A NEW Z/OS HEALTH CHECKER ZOSMIGV2R1_CS_GATEWAY (V1R13)
- APAR PM93018: ABEND4C5 RC74FF2500 ECSA STORAGE SHORTAGE DUE TO DUSA EXPANSIONS (V1R13)
- APAR PM88078: S0C4 ABEND IN EZBPTFND AFTER A SYSTEM LEAVES THE SYSPLEX (V2R1)
- APAR PM87096: ARP TAKEOVER / TAKEBACK DOES NOT COMPLETE CORRECTLY IF STP (SPANNING TREE PROTOCOL) IS ENABLED IN SWITCH (V1R12, V1R13)
- APAR PM85735: S0C4 ABEND IN EZBPTFND AFTER A SYSTEM LEAVES THE SYSPLEX (V1R12, V1R13)
- APAR PM81034: CSM FIXED 32K DATASPACE STORAGE LEAK (V1R12, V1R13)
- APAR PM80004: NEW FUNCTION TO PROVIDE SUPPORT FOR NOTIFICATION WHEN A TCP VCONNECTION IS TERMINATED (V1R13)
- APAR PM76570: CALCULATED ROUND TRIP TIME INCORRECT (V1R12, V1R13)
- APAR PM73355: SLOW NETWORK TRANSFER RATES FOR MQSERIES CONNECTIONS (V1R13)
- APAR PM57067: ASYNCHRONOUS RECVMSG RETURNS EMPTY SOCKADDR (V1R13)
- APAR PM43452: EZBTCITS(HIP61C0 10.097)+000198 S0C4/00000011 DURING TCPIPSHUTDOWN (FIN)
- APAR PM40380: TCPIP PRIVATE STORAGE SP249 K6 STORAGE GROWTH WHEN AT-TLS ENABLED (V1R13)
- APAR PM40277: EZBXFUTL DELCONN PROCESSING LEAVES XFUTL_TRR ON TRR STACK (V1R13)
- APAR PM39080: CSM FIXED DATASPACE STORAGE GROWTH (V1R12, V1R13)
- APAR PM38253: ABEND U4039 AFTER ADDING IPADDRESSES TO DESTIP ON A VIPADISTRIBUTE (V1R10, V1R11, V1R12, V1R13)
- APAR PM36103: MULTIPLE STACKS NOT COMMUNICATING VIA IUTSAMEH CAUSING PING TIMEOUTS (V1R10, V1R11, V1R12, V1R13)
IPv6
- Configuration
- Getting started with IPv6 on z/OS
- Definition of the layout of an IPv6 address: RFC 2373
- Information relating to the IPv6 protocol and the implementation of the protocol on z/OS® Communications Server: IPv6 Network and Application Design Guide
- Configuring IPv6 support in z/OS:
- Avoid using IPv6 addresses for identifying remote client hosts
- The client IP addresses are unpredictable and subject to frequent change. In addition, it is possible, and even likely, that a server is unable to map the client address to a host name.
- If a mechanism to identify the remote host is required, then a different mechanism (client certificate, password, and so on) should be used to identify the remote host.
- See Section 4.5 Avoid using IP addresses to identify remote hosts in the IPv6 Network and Application Design Guide.
- How to get addresses for IPv6 VIPAs
- For guidelines on configuring IPv6 VIPA addresses, see section 3.8.3 How to get addresses for VIPAs in the IPv6 Network and Application Design Guide.
- Which applications are IPv6-enabled?
- For a list of z/OS UNIX applications which are IPv6-enabled, see the topic Which applications started with inetd are IPv6-enabled? in the IPv6 Network and Application Design Guide.
- Applications not enabled for IPv6
- How to modify the inetd.conf file
- The inetd.conf file must be modified to support IPv6-enabled applications. For instructions on modifying this file see section 4.12.1 Modifying the inetd.conf file in the IPv6 Network and Application Design Guide.
- Guidelines for assigning IPv6 addresses
- See section 5.2 Assigning IPv6 addresses in the IPv6 Network and Application Design Guide.
- Guidelines for connecting to an IPv6 Network
- See section 5.1 Connecting to an IPv6 network in the IPv6 Network and Application Design Guide.
- Socket options for path MTU discovery
- Path MTU discovery is the method by which a z/OS Communications Server IPv6 node discovers the maximum IPv6 packet size that the path from a source node to a destination node can support. Path MTU discovery is automatically enabled on TCP/IP IPv6 nodes. The socket options available to IPv6-enabled applications to support path MTU discovery are discussed in section 9.1.1.1 Options for path MTU discovery in the IPv6 Network and Application Design Guide.
- How to obtain predictable IPv6 addresses for IPSec security endpoints
- IPv6 allows you to autoconfigure addresses for an interface by using information provided by IPv6 routers. When using autoconfiguration in conjunction with IPSec, IPv6 addresses might not be predictable. To avoid this unpredictability, see section 2.10.6.2 Stateless address autoconfiguration in the IP Configuration Guide.
- Support for the IPv6 OSPF and IPv6 RIP dynamic routing protocols
- SNA display of IPv6 addresses
- See the Technote Enable IPv6 support for SNA display of IP addresses.
- z/OS TCP/IP features and the level of support provided for them in an IPv6 network
- Technote: Does NSLOOKUP support IPv6 ?
- Diagnosis
- "Diagnosing problems with IPv6" in z/OS Communications Server IPv6 Network and Application Design Guide
- Technote (troubleshooting) 1458577: Cannot Use TN3270 Sessions After Enabling IPv6
- APAR PM04827: EZD0922I INTERNAL ERROR 1262
- APAR PM08947 0C4 IN EZBNMGVC CALLABLE NMI FOR SYSPLEX NETWORKING DATA GETDVIPACONNRTAB
- APAR PM14248 ABEND0C4 IN EZBREGAI WHEN DOING A GETADDRINFO FOR AN IPV6 ADDRESS
- APAR PM33630: BULK MIQ FOR IPV6 INVALID PARAMETERS
- APAR PM55229 IPV6 OSX DEVICE STAYS IN NEGOTIATING STATE FOLLOWING RECOVERY FOR STOP LAN FROM OSA (V1R13)
- APAR PM60600 IPV6 OSX DEVICE STAYS IN NEGOTIATING STATE FOLLOWING RECOVERY FOR STOP LAN FROM OSA (V1R12).
- APAR PM67781 EZBITDSA(UK68305 11.151)+000084 S4C5/74FF2000 WHEN SENDING IPV6 PACKET AFTER IPV6 ICMP MESSAGE FOR PACKET TOO BIG
- APAR PM68039 ADDRESS INFORMATION MISSING FROM UDPTERM SMF RECORDS
- APAR PM80172 AE PM68039 FIX COMPLETION
- APAR PM82001 S4C5/76F30402 ABEND IN EZB6POUT WITH IQDX INTERFACES DEFINED
- APAR PI07707: ASCII MODE GETADDRINFO CALL FAILS IF ONLY VALID HEX CHARACTERS ARE IN HOSTNAME (V1R13)
- APAR PI09477: ASCII MODE GETADDRINFO CALL FAILS IF ONLY VALID HEX CHARACTERS ARE IN HOSTNAME (V2R1)
- APAR PI53852: Z/OS STACK INCORRECTLY DISCARDS SOME INBOUND IPV6 TCP SYN PACKETS (V2R2)
- APAR PI90773:TCP/IP STACK LOGIC TO UNREGISTER IPV6 MULTICAST GROUP WITH OSA IS INCORRECT (V2R1, V2R2, V2R3)
Shared Memory Communications over Remote Direct Memory Acess (SMC-R)
Configuration
- Diagnosing Problems with SMC-R
- The SMCReason field of the Netstat ALL/-A report and the SMCR field of the Netstat DEvlinks/-d report provide information that is related to SMC-R problems. For a complete list of SMCReason codes in the Netstat ALL/-A report and the SMCR Disabled reasons in the Netstat DEvlinks/-d report, see z/OS V2R1 Communications Server IP System Administrator's Commands.
- APAR OA44269 ABEND0C6 MODULE ISTRACRR + X'95C' TRYING TO CREATE MINI-VIT ENTRIES FOR RPLE/RPLP/RPLA ENTRIES - WITH ZERO NCB ADDRESS (V2R1)
- APAR PM92259: NETSTAT CONN COMMAND ISSUES SYNTAX ERROR WHEN USING CLIENT FILTER WITH VALUE 'SMC' (V2R1)
- APAR PI13034: DEVELOPMENT APAR - BUNDLE 1 (V2R1)
- APAR OA44679: DEVELOPMENT APAR - BUNDLE 1 (V2R1)
- APAR PI20337: NEW FUNCTION (V2R1)
- APAR PI26555: SMCR CONFORMANCE (V2R1)
- APAR PI27252: NEW FUNCTION (V1R13)
- Information APAR II14751 RECOMMENDED MAINTENANCE FOR SMC-R
- APAR PI29165: NEW FUNCTION (V2R1)
- APAR PI38739 SHARED MEMORY COMMUNICATION OVER RDMA DEVELOPMENT FIXES (V2R1)
- APAR PI39612: SMCAT (SMC-R APPLICABILITY TOOL) DOES NOT REPORT TCP CONNECTIONS USING VIPAS AS DIRECTLY CONNECTED. (V2R1)
- APAR PI41713: SMCAT (SMC-R APPLICABILITY TOOL) DOES NOT REPORT TCP CONNECTIONS USING VIPAS AS DIRECTLY CONNECTED. (V1R13)
- APAR PI46027: SHARED MEMORY COMMUNICATIONS OVER RDMA DEVELOPMENT FIXES (V2R1)
- APAR PI48155: Update the SMC Applicability Tool (SMCAT) (V2R1, V2R2)
- APAR PI48309: Update the SMC Applicability Tool (SMCAT) (V1R13)
- APAR PI48981: SMC-R DEVELOPMENT FIXES (V2R1, V2R2)
- APAR PI53582: SHARED MEMORY COMMUNICATIONS OVER RDMA (SMC-R) DEVELOPMENT FIXES (V2R1, V2R2)
- APAR PI56138: USING SENDX WITH AT-TLS, WITH SMC-R CONFIGURED CAUSES US TO GO DOWN THE PATH AND HITS ERROR. (V2R1, V2R2)
- APAR PI64292: LOOP IN EZBTLFWR WHEN TRANSFERRING FILES USING ATTLS AND SMCR (V2R1, V2R2)
- APAR OA44709: DISPLAY BFRUSE ENHANCEMENT - HIGH VIRTUAL STORAGE (V2R1)
- APAR OA47309: SHARED MEMORY COMMUNICATIONS OVER RDMA DEVELOPMENT FIXES (V2R1)
- APAR OA47561: SHARED MEMORY COMMUNICATIONS OVER RDMA DEVELOPMENT FIXES (V2R1)
- APAR OA48535: SHARED MEMORY COMMUNICATIONS OVER RDMA DEVELOPMENT FIXES (V2R1)
- APAR OA48932: SMC-R DEVELOPMENT FIXES (V2R1, V2R2)
- APAR OA49150: ABEND0C4 MODULE ISTITCCS (TRACE) +X'878' RUNNING WITH ROCE. CALLER WAS ISTSRIFB (V2R1, V2R2)
- APAR OA49523 SHARED MEMORY COMMUNICATIONS OVER RDMA (SMC-R) DEVELOPMENT FIXES (V2R1, V2R2)
- APAR OA49863 SHARED MEMORY COMMUNICATIONS OVER RDMA (SMC-R) DEVELOPMENT FIXES (V2R1, V2R2)
- APAR OA50946 EZZ4336I ERROR DURING ACTIVATION OF INTERFACE EZARIUT10001 - CODE 80105009 DIAGNOSTIC CODE 02 (V2R1, V2R2)
- APAR PI75199: NEW FUNCTION (V2R1)
- APAR PI76546 DEVELOPMENT FIXES (V2R2)
- APAR PI84604: On server side IST2406I SMC-R LINK FAILURE ON TRLE IUTXXXXX CODE = 08105013 (V2R1, V2R2, V2R3)
- APAR PI86553: PROBLEM FOUND IN SMC-R FALLBACK LOGIC (V2R1, V2R2, V2R3)
- APAR PI86646: DEVELOPMENT FIXES (V2R1, V2R2, V2R3)
- APAR OA51867: SMC-R DEVELOPMENT FIXES (V2R1, V2R2)
- APAR OA51949: NEW FUNCTION (V2R1)
- APAR OA51950: NEW FUNCTION (V2R2)
- APAR OA52832: DEVELOPMENT FIXES (V2R3)
- APAR OA53409: DEVELOPMENT FIXES (V2R3)
- APAR OA53654: DEVELOPMENT FIXES (V2R3)
- APAR OA53917: DEVELOPMENT FIXES (V2R1, V2R2, V2R3)
- APAR PI88414: DEVELOPMENT FIXES (V2R1, V2R2, V2R3)
Shared Memory Communications - Direct Memory Access (SMC-D)
- Diagnosis
- II14751 RECOMMENDED MAINTENANCE FOR SMC SHARED MEMORY COMMUNICATIONS SMC-R SMC-D
- OA48411 NEW FUNCTION (V2R2)
- OA50295 SMC-D DEVELOPMENT FIXES (V2R2)
- OA50324 IST1631I IUTIQDIO SUBCHANNEL XXXX QDIO PNET SERVICE FAILED IQDIO HIPERSOCKETS ACTIVATION FAILURE (V2R2)
- OA50918 SHARED MEMORY COMMUNICATIONS DIRECT (SMC-D) DEVELOPMENT FIXES (V2R2)
- PI45028 NEW FUNCTION (V2R2)
- PI61387 SHARED MEMORY COMMUNICATIONS DIRECT (SMC-D) DEVELOPMENT FIXES (V2R2)
- PI65092 SHARED MEMORY COMMUNICATIONS DIRECT (SMC-D) DEVELOPMENT FIXES (V2R2)
- PI76201 USING FTP SMC-D WITH ATTLS RESULTS IN POOR PERFORMANCE AND MANY SMALL OUTBOUND DATA PACKETS. (V2R2)
- PI76546 DEVELOPMENT FIXES (V2R2)
- PI87509 SMCD NOT SWITCHING TO OSA WHEN HIPERLINK IS DEACTIVATED (V2R2, V2R3)
Syslogd
- Configuration
- See "Configuring syslogd for automatic archiving" in IP Configuration Guide.
- See "Using syslogd for z/OS UNIX Application Programs" in IP Configuration Guide
- Configuring the syslog daemon
- "Syslog daemon name/token pair" in z/OS Summary of Message and Interface Changes
- How to improve syslogd remote logging performance:
- Diagnosis
- See "Problem determination for syslogd logging" in IBM z/OS V1R13 Communications Server TCP/IP Implementation: Volume 2 Standard Applications
- See "Diagnosing syslogd configuration problems" in IP Configuration Guide
- Steps for diagnosing the cause for missing IP security or defensive filter syslogd output
- Steps for determining why IDS syslogd output is missing
- Applications fail with s0C1 abend at startup
- Common problems: See MustGather: Collect Troubleshooting Data, Read First: Syslogd for z/OS Communications Server.
- Technote (troubleshooting) 1575278 : EDC5132I error message received during initialization of syslogd
- Technote (troubleshooting): SYSLOGD does not run as expected when started using BPXBATCH on z/OS 1.11
- APAR PK91453: SYSLOGD BROWSER ISPF INTERFACE FAILS USING ALT REXX LIBRARY FMIDHWJ9143
- APAR PK94870 SYSLOGD BROWSER REPORTS 'NO UNIX DESTINATIONS FOUND' WHEN FILE DESTINATIONS CONTAIN % IN THE PATH NAME
- APAR PM22720 SYSLOGD FAILS TO ACTIVATE WHEN WRITING TO A REMOTE SERVER
- APAR PM30646 FSUM1223 ERROR 81/C0120053 WAS RETURNED FROM REMOVE(): EDC5129I NO SUCH FILE OR DIRECTORY
- APAR PM38528 SYSLOGD ARCHIVE FAILS
- APAR PM39109 SYSLOGD FSUM1261 MESSAGES DURING ARCHIVE DISPLAY INCORRECT PERCENTAGE OF UTILIZATION.
- APAR PM40024 INCORRECT JOBNAME WRITTEN OUT BY SYSLOGD (FIN)
- APAR PM58651 MIGRATED DATA SETS RECALLED IN SYSLOG BROWSER WHEN NO IS SPECIFIED
- APAR PM62255 SYSLOGD LOOPING DURING ARCHIVE PROCESSING
- APAR PM65707 SYSLOGD TERMINATES WITH ERROR 8B/C1180015
- APAR PM76512 SYSLOGD GENERATED ABEND DURING TERMINATION
- APAR PM91870 0C4 IN SYSLOGD (V1R12, V1R13)
- APAR PM94151 POTENTIAL STORAGE EXHAUSTION IN SYSLOGD (V1R12 and V1R13)
- APAR PM94558 0C4 IN SYSLOGD (V2R1)
- APAR PM98521 POTENTIAL STORAGE EXHAUSTION IN SYSLOGD (V2R1)
- APAR PI14947: SYSLOGD GENERATES ABEND DUMP, WITH FSUM1223 ERROR 8B/11320000, DURING RESTART COMMAND PROCESSING (FIN)
- APAR PI16438: SYSLOGD GENERATES ABEND DUMP, WITH FSUM1223 ERROR 8B/11320000, DURING RESTART COMMAND PROCESSING - FIN REVERSAL OF PI14947 (V1R13)
- APAR PI16976: SYSLOGD GENERATES ABEND DUMP, WITH FSUM1223 ERROR 8B/11320000, DURING RESTART COMMAND PROCESSING - FIN REVERSAL OF PI14947 (V2R1)
- APAR PI23090: SYSLOGD ABEND FSUM1223 ERROR 79/D1201DA (FIN)
- APAR PI47467: CONFIGURATION FILE NAMES IN EZBSYSLOGD TOKEN TRUNCATED (V2R1, V2R2)
- APAR PI58100 - SOME OTELNETD MESSAGES WRITTEN TO SYSLOGD DESTINATION APPEAR ON MULTIPLE LINES IN ARCHIVED SYSLOG DATASETS (FIN)
- APAR PI61446 - POTENTIAL SYSLOGD HANG AFTER PERFORMING A SIGHUP (V2R1)
- APAR PI77699 - POTENTIAL SYSLOGD HANG AFTER A REFRESH (V2R1, V2R2)
- APAR PI81728 POTENTIAL SYSLOGD HANG AFTER A REFRESH (V2R3)
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Sendmail
- For configuration assistance:
- see Section 2.19.3.4 Configuration hints and tips in the IP Configuration Guide.
- For a comprehensive discussion of sendmail, see the industry-accepted document sendmail(also known as the batbook) by O'Reilly & Associates, Inc.
- For more information about sendmail see http://www.sendmail.org. For the features added after version 8.8.7, see SENDMAIL INSTALLATION AND OPERATION GUIDE, which can be found at http://www.sendmail.org/~ca/email/doc8.12/op.html.
- Diagnosis hints
- MustGather: Collect Troubleshooting Data / FixList for Sendmail on z/OS Communications Server
- See 3.12.7 Hints and troubleshooting sendmail message submission program (MSP) file submit.cf in the IP Diagnosis Guide.
- See "Problem determination for sendmail and popper" and "Problem determination for the sendmail client" in Chapter 7 of IBM z/OS V1R13 Communications Server TCP/IP Implementation: Volume 2 Standard Applications.
- Technote (troubleshooting): Sendmail client with HTTP CGI program results in CEE3204S, Abend 0C4
- Technote (troubleshooting): Apparent conflict between sendmail and SMTP over port 25
- Technote (troubleshooting): The sendmail command fails after a z/OS upgrade
- Technote (troubleshooting): Sendmail generates an email with a blank body
- Technote (troubleshooting): openmailer: setuid(1) failed: EDC5121I Invalid argument message received by sendmail
- APAR PM15424 SENDMAIL NOT DELIVERING MAIL WHEN INVOKED FROM A OSHELL BATCH JOB
- APAR PM28088 USER ABEND 4039 DURING SENDMAIL MILTER CALL
- APAR PM96896: NEW FUNCTION
- APAR PI40204 PROVIDE Z/OS HEALTH CHECKER FOR Z/OS MIGRATION HEALTH CHECKS TO DETERMINE WHETHER YOU ARE USING SENDMAIL OR SMTPD FUNCTIONS. (V2R1)
- APAR PI43094: SENDMAIL FAILS WITH: DROP_PRIVILEGES: SETUID(0) (V1R13)
- APAR OA47735 PROVIDE Z/OS HEALTH CHECKER FOR Z/OS MIGRATION HEALTH CHECKS TO DETERMINE WHETHER YOU ARE USING SENDMAIL OR SMTPD FUNCTIONS (V2R1)
- APAR PI82757 SENDMAIL TO CSSMTP BRIDGE (EZATMAIL COMMAND) DOES NOT PROCESS THE EMAIL CORRECTLY IF TO: HAS THE PERSON NAME (V2R1, V2R2, V2R3)
- APAR PI84832 EZATMAIL SENDMAIL LAST LINE OF EMAIL IS A PERIOD (V2R1, V2R2, V2R3)
- APAR PI85990 SUBJECT FIELD IN MAIL IS BLANK USING MAILX WITH THE SENDMAIL BRIDGE. (V2R1, V2R2, V2R3)
Simple Mail Transfer Protocol (SMTP)
- How to configure SMTP
- Configuring the SMTP server (SMTPD)
- See Section 7.3 "z/OS SMTP as a Mail Server" in IBM z/OS Communications Server TCP/IP Implementation: Volume 2 Standard Applications (IBM Redbooks Publication).
- Outbound email attachments using SMTP or CSSMTP on z/OS
- How can I configure our SMTP server so that it will not be able to be used as an "open mail relay"?
- Is there a way for SMTP to store a mail file in error for later repair and subsequent delivery?
- How to diagnose SMTP problems
- MustGather: Collect Troubleshooting Data: Read First for SMTP for z/OS Communications Server
- Diagnosing Simple Mail Transfer Protocol (SMTP) Problems
- See section 7.6.1 "Problem determination tasks for the z/OS SMTP server" in IBM z/OS Communications Server TCP/IP Implementation: Volume 2 Standard Applications (IBM Redbooks publication)
- See "SMTP reply code messages" in z/OS Communications Server IP and SNA Codes.
- See "SMTP (pascal version) user abend codes" in z/OS Communications Server IP and SNA Codes.
- When using CSSMTP to process emails put on the JES spool, how do we stop SMTP from looking at the JES spool?
- EZA5335E Unable to allocate new file rc=4
- SMTP Messages left on JES2 spool
- Message EZA5463E is displayed when using secure SMTP to send mail
- Message 'EZA5463E Unregistered BSMTP Spool File' with SMTP Secure
- SMTPNOTE fails with 'Unable to transmit' error
- SMTP cannot send out mail as the result of an incompatible translate table
- SMTP mail is stamped with incorrect time
- abend337-04 running SMTP
- Mail delivered by SMTP is missing the body of the e-mail
- ABEND878 during SMTP processing
- SMTP or LPSERVE will not start in z/OS 1.2 and above
- SMTP takes abendB37 on TEMP.NOTE Data Set
- SMTP not sending mail
- SMTP receives 553 return code indicating Message size exceeds fixed maximum message size when sending to a Microsoft Mail Server
- APAR PK88885: S0C4 ABEND IN EZBTCUTL AFTER OBEYFILE FOR SHAREPORT
- APAR PK90325: HLQ.SEZAXLD2 MEMBERS WERE SHIPPED INCORRECTLY
- APAR PM03154: SMTP HANG WAITING ON TIMER ECB POST.
- APAR PM07675: SMTP MESSAGE EZA5342I IS NOT SENT TO THE CONSOLE
- APAR PM08382: SMTP ADDS X'00' TO HLQ.TEMP.NOTE FILE WHEN A RECORD IN THE JES SPOOL IS 1024 OR GREATER
- APAR PM09869 GENERATE MESSAGE TO CHECK CONFIGURATION SETTINGS WHEN IPMAILERADDRESS IS SET
- APAR PM10449: FOR APPS WRITTEN IN PASCAL, WHEN DIST. METHOD=SERVERWLM IS CODED, BASEWLM IS SEEN IN VDPT DISPLAY FOR GIVEN DVIPA PORT.(FIN)
- APAR PM17858: SMTP MAIL NOT SENT AFTER INVALID DNS RESPONSE IS DISCARDED
- APAR PM31474: SMTP SHOULD WRITE A MESSAGE TO THE CONSOLE WHEN IT DISCARDS A TRUNCATED DNS RESPONSE
- APAR PM36011 SMTP DOES NOT QUERY ADDITIONAL DOMAIN NAME SERVERS (V1R12)
- APAR PM37171 SMTP DOES NOT QUERY ADDITIONAL DOMAIN NAME SERVERS (V1R13)
- APAR PM74393 ABEND337-04 OCCURRING IN SMTP DUE TO CORRUPTED ADDRBLOK DATASET
- APAR PM93959 ABEND0C4 RC11 WHEN EXECUTING MODIFY COMMAND DURING SMTP INITIALIZATION
- APAR PI25004: SMTP INCORRECTLY ISSUES ONE LONG EZA5477E MESSAGE AS ONE WTO INSTEAD OF TWO WTOS (FIN)
- APAR PI40204 PROVIDE Z/OS HEALTH CHECKER FOR Z/OS MIGRATION HEALTH CHECKS TO DETERMINE WHETHER YOU ARE USING SENDMAIL OR SMTPD FUNCTIONS. (V2R1)
- APAR OA47735 PROVIDE Z/OS HEALTH CHECKER FOR Z/OS MIGRATION HEALTH CHECKS TO DETERMINE WHETHER YOU ARE USING SENDMAIL OR SMTPD FUNCTIONS (V2R1)
- APAR PI68069: INCORRECT ROUTING OF MESSAGES FROM SMTP (V2R1, V2R2)
- APAR PI68728: ABEND878 RC10 USING EZBMCOPY (V2R1, V2R2)
- APAR PI71332: EZBMCOPY FAILS TO PROCESS A JOB WITH MULTIPLE SYSUT2 DATASETS ON THE OUTPUT QUEUE, CORRECTLY. (V2R1, V2R2)
- Apparent conflict between sendmail and SMTP over port 25
- EZA5135I Possible configuration conflict: RESOLVERUSAGE setting is YES and IPMAILERADDRESS is set
Communications Server SMTP (CSSMTP) Application
- How to configure the CSSMTP application:
- "New SMTP client for sending internet mail"
- Setting up CSSMTP
- Customizing the CSSMTP configuration file to handle undeliverable mail
- Steps for granting authority to start CSSMTP
- Security for CSSMTP
- Steps for using Transport Layer Security for CSSMTP
- Logging all delivered mail in CSSMTP
- Under what conditions will CSSMTP send mail to the dead letter directory?
- What is available to protect the privacy of CSSMTP packets?
- "Table 1. Summary of new and changed Communications Server SMF type 119 record - CSSMTP records", in z/OS Summary of Message and Interface Changes.
- Technote (FAQ): Outbound attachments using SMTP or CSSMTP on z/OS
- How to verify the z/OS CSSMTP client: See section 7.2.3 in IBM z/OS V1R11 Communications Server: TCP/IP Implementation Volume 2: Standard Applications
- How to diagnose CSSMTP problems:
- Common initialization and logging problems
- Technote (troubleshooting): Message 'JES' text line too long' when running CSSMTP
- Technote (troubleshooting): When CSSMTP is started, a SYS000x SYSOUT data set might be allocated
- Technote (troubleshooting): CSSMTP fails to start, with message EZD1807I CSSMTP ERROR IN INITIALIZATION: CANNOT ACCESS SERVAUTH, when running ACF2
- Technote (troubleshooting): CSSMTP does not allow comments on mail commands
- Technote (troubleshooting): CSSMTP flags syntax error on HELO / EHLO command
- Technote (troubleshooting): CSSMTP fails to start with message EZD1825I CSSMTP JES NOT AVAILABLE
- Technote (troubleshooting): CSSMTP syntax checker rejects mail commands when sequence numbers are present
- Technote (troubleshooting): CSSMTP logs debug-level messages at startup regardless of LogLevel specfied
- Technote (troubleshooting): CSSMTP is canceled when access to JESSPOOL is denied
- Resolving common problems with connecting to or communicating with a target server at a certain IP address
- APAR PM10648 CSSMTP INSERTS MISSING RFC822 HEADERS IN THE WRONG PLACE IN THE EMAIL (V1R11)
- APAR PM13656 EZD1807I ISSUED WHEN STARTING CSSMTP WITH ENVIRONMENT VARIABLE DEFINITIONS IN PDS
- APAR PM14713 CSSMTP INSERTS MISSING RFC822 HEADERS IN THE WRONG PLACE IN THE EMAIL (V1R12)
- APAR PM18283 LOOP IN CSSMTP routine MLMSGGETTIMEDWAIT
- APAR PM19266 EZD1851I ILLEGAL BYTE SEQUENCE FOR EMAIL FROM CSSMTP
- APAR PM23400 CSSMTP GETTING 501 #5.5.2 SYNTAX ERROR FROM TARGET SERVER
- APAR PM30241 FULLY QUALIFY MAIL FROM: COMMAND IF DOMAIN MISSING
- APAR PM31084 CSSMTP GENERATES ERROR REPORT WHEN PROCESSING A SPOOL FILE CREATED BY A JOB THAT ABENDED
- APAR PM31474 SMTP SHOULD WRITE A MESSAGE TO THE CONSOLE WHEN IT DISCARDS A TRUNCATED DNS RESPONSE
- APAR PM44539 CSSMTP EMAIL WITH A LESS THAN SIGN IN COLUMN 80 ON A DATA RECORD IS TREATED AS A CONTINUATION Character
- APAR PM47229 CSSMTP DOES NOT CORRECTLY APPEND THE LOCAL DOMAIN NAME TO SOME COMMANDS WHEN THERE IS NO DOMAINNAME SPECIFIED. (FIN)
- APAR PM47741 CSSMTP DOES NOT CONTINUE PROCESSING A MAIL MESSAGE WHEN A INVALID COMMAND IS ENCOUNTERED IN THE SPOOL FILE
- APAR PM55001 CSSMTP NOT SENDING ERROR REPORT TO MAILADMINISTRATOR WHEN JES3 IS USED
- APAR PM55329 CSSMTP MLJESDO_HDRS MESSAGES CORRUPTED
- APAR PM58169 CSSMTP DOES NOT STRIP OFF THE WHITE SPACES IN FRONT OF THE DATA COMMAND.
- APAR PM64416 CSSMTP RECEIVES CODE 500 COMMAND NOT RECOGNIZED ON DATA COMMAND WHEN USER EXIT IS DEFINED 2/05/10 PTF PECHANGE
- APAR PM66494 CSSMTP ABEND0C4
- APAR PM72122 FAILING CSSMTP ERROR EXIT STEP IN A MULTI-STEP CSSMTP BATCH JOB CAUSES DATASETS IN SUCCEEDING STEPS TO BE HELD
- APAR PM74086 NEW FUNCTION
- APAR PM76335 CSSMTP AUTOMATICALLY GENERATES RECEIVE AND MESSAGE-ID HEADERS
- APAR PM77193 CSSMTP UNNECESSARILY CHECKS THE DEADLETTERDIRECTORY FOLDER
- APAR PM77438 NEW FUNCTION
- APAR PM87623 ALLOW CSSMTP TO TREAT TRAILING NULL CHARACTERS AS TRAILING BLANK CHARACTERS (V1R13)
- APAR PM88744 ABEND0C4 AT CSSMTP STARTUP - FIN REVERSAL OF PM66494
- APAR PM92166 NEW FUNCTION CSSMTP STORAGE MONITOR (V1R12, V1R13)
- APAR PM94506 ALLOW CSSMTP TO TREAT TRAILING NULL CHARACTERS AS TRAILING BLANK CHARACTERS (V2R1)
- APAR PM98806 NEW FUNCTION CSSMTP Storage Monitor (V2R1)
- APAR PM99547: CSSMTP EMAILS ON JES SPOOL ARE REJECTED AND EZD1813I ERROR MESSAGE ISSUED AFTER APPLY OF PTF UK96294/ 13/11/07 PTF PECHANGE (V1R12, V1R13)
- APAR PI38893: CSSMTP TERMINATES CONNECTION TO MAIL SERVER (V2R1)
- APAR PI47040: CSSMTP SENDS A NEWLINE IN COLUMN 80 AS NORMAL DATA (V2R1, V2R2)
- APAR PI48700: NEW FUNCTION TO INDICATE CSSMTP IS RUNNING IN TESTMODE (V2R1)
- APAR PI52704: ADD ATSIGN KEYWORD TO CSSMTP CONFIG FILE FOR MAIL COMPATIBILITY (V2R1, V2R2)B
- APAR PI55233: CSSMTP INCORRECTLY ISSUES MESSAGE CATALOG OUT OF SYNC WARNING (V2R1)
- APAR PI56614: SUPPORT EHLO AFTER STARTTLS FOR CSSMTP (V2R1, V2R2)
- APAR PI58769: CSSMTP ATSIGN FUNCTION DOES NOT WORK WITH LOWERCASE MAIL HEADERS (V2R1, V2R2)
- APAR PI68291: CSSMTP CLIENT CANNOT CONNECT TO THE MAIL SERVER WHICH SUPPORTS HELO 16/10/12 PTF PECHANGE (V2R1, V2R2)
- APAR PI68727: CSSMTP CONNECTION HANGS IN CLOSEWAIT WHEN CONNECTIDLE IS NONZERO (V2R1, V2R2)
- APAR PI68728: ABEND878 RC10 USING EZBMCOPY (V2R1, V2R2)
- APAR PI71332: EZBMCOPY FAILS TO PROCESS A JOB WITH MULTIPLE SYSUT2 DATASETS ON THE OUTPUT QUEUE, CORRECTLY. (V2R1, V2R2)
- APAR PI72606: CSSMTP DOES NOT TRANSLATE ' ' AT SYMBOL FOR RECIPIENTS LISTED IN THE 'CC' FIELD OF A NOTE (V2R1,V2R2)
- APAR PI73909: NEW FUNCTION TO SUPPORT EURO SIGN IN CSSMTP (V2R1, V2R2)
- APAR PI79892: LOOP IN THE CSSMTP MODULE EZAMLSSR ISSUING GETMAIN AT X'29E' AND FREEMAIN AT X'31E'. (V2R2, V2R3)
- APAR PI81188 CSSMTP IS NOT USING THE CORRECT CHARACTER SET AFTER MODIFY CSSMTP,REFRESH 17/06/26 PTF PECHANGE (V2R1, V2R2, V2R3)
- APAR PI82757 SENDMAIL TO CSSMTP BRIDGE (EZATMAIL COMMAND) DOES NOT PROCESS THE EMAIL CORRECTLY IF TO: HAS THE PERSON NAME (V2R1, V2R2, V2R3)
- APAR PI83876: CSSMTP MESSAGE IDS ARE NOT UNIQUE (V2R1, V2R2, V2R3)
- APAR PI84686: CSSMTP CONNECTION HANGS IN CLOSEWAIT WHEN CONNECTIDLE IS NONZERO (V2R3)
- APAR PI84832 EZATMAIL SENDMAIL LAST LINE OF EMAIL IS A PERIOD (V2R1, V2R2, V2R3)
- APAR PI85990 SUBJECT FIELD IN MAIL IS BLANK USING MAILX WITH THE SENDMAIL BRIDGE. (V2R1, V2R2, V2R3)
- APAR PI87647: CSSMTP fails to start due to mliconvtest failing with X->IBM-1047 (13) (V2R1, V2R2, V2R3)
- APAR PI89319: LOOP IN THE CSSMTP MODULE EZAMLSSR ISSUING GETMAIN AT X'29E' AND FREEMAIN AT X'31E'. (V2R1)
- APAR PI92261 CSSMTP ERROR EMAIL REPORT FROM LINE DOES NOT HAVE EMAIL ADDRESS (V2R2, V2R3)
- APAR PI95805: WITH JES3, CSSMTP LOOPS PROCESSING REJECTED MAIL OVER AND OVER. (V2R3)
- APAR PI96675 CSSMTP ERROR REPORT EMAIL NEEDS THE SAME EMAIL ADDRESS ON MAIL FROM AND FROM STATEMENTS (V2R2, V2R3)
- APAR PI97231 ABEND 0C1 DURING CSSMTP INITIALIZATION. EZD1805I CSSMTP EXITING ABNORMALLY (V2R1, V2R2, V2R3)
IPSecurity (IPSec)
- How to configure IPSec:
- Use the z/OS Communications Server Configuration Assistant to configure IP Security
- Designing for Solution-Based Security on z/OS (an IBM Redbooks publication)
- z/OS Communications Server Network Security Overview
- Configuring IP security
- Steps for preparing the z/OS system for IP security
- IP security policy configuration
- Configuring the IKE daemon
- Modifying active IP security policy
- Sample IP security policy files
- Using IPSec to secure Enterprise Extender demo
- How to verify Policy Installation
- How to verify z/OS Internet Key Exchange (IKE) Daemon Security Associations
- How to verify the activation of a Security Association
- How to verify the use of an active Security Association
- Modify the default IP filter policy by defining IPSECRULE and IPSEC6RULE statements. See:
- Section 2.10.7.1 Modifying the default IP filter policy in the IP Configuration Guide.
- Section 2.10.11 Steps for preparing the z/OS system for IP security in the IP Configuration Guide.
- For normal operation, keep default values for IkeSyslogLevel and PagentSyslogLevel.
- z/OS IP Network Security: Capacity Planning for zIIP Assisted IPSec
- How to diagnose IPSec problems
- Steps for diagnosing IP security problems.
- TCPIPCS IPSEC subcommand.
- How to diagnose IKE Daemon Problems establishing Security Associations
- How to diagnose missing IP security or defensive filter syslogd output
- Using stack default IPSEC FilterRules in a CINIT environment
- Technote (Troubleshooting): IPSec issues EZD0902I and IPSec tunnels fail with message EZD1075I
- APAR PK87803 IKED ISSUES MULTIPLE SINGLE LINE RESPONSES TO F IKED,DISPLAY COMMAND
- APAR PK99088 TCPIP LOCK CONTENTION CAUSES ECSA, SQA GROWTH AND IP TRAFFIC TO STOP.
- APAR PM02726 INTRASTACK TRAFFIC IS BEING DENIED WITH MESSAGE EZD0815I
- APAR PM07979 ABEND0C4 IN EZBUDBYP DURING IPSEC POLICY ACTIVATION
- APAR PM14277 IPSEC TRAFFIC USING THE WRONG TUNNEL
- APAR PM15480 VARIOUS ABENDS IN IKED
- APAR PM21712 ABEND0C4:IKED: FW_SYSLOG_INT() +0X000000A2
- APAR PM23195 EXTENDED KEY USAGE FIELD SSL ONLY BIT CERTIFICATE REJECTION
- APAR PM24452 IKED STORAGE GROWTH AND HANG
- APAR PM24827 IKED ABEND 0C4 WHEN MULTIPLE PROPOSAL PAYLOADS ARE RECEIVED
- APAR PM28369 NSSD 0C4 ABEND OR INTERNAL ERROR 07A0
- APAR PM28400 OUTBOUND UDP BROADCAST THAT DO NOT ROUTE BY INTERFACE NOT WORKING AFTER APPLYING UK53787
- APAR PM29788 NAT TRAFFIC NOT DISTRIBUTED IN A SWSA ENVIRONMENT
- APAR PM30537 VARIOUS ABENDS IN SWSA/NAT CONFIGURATION
- APAR PM31484 EZD0953I FILTER INSTALLATION FAILED DUE TO CONFLICT WITH EXISTING FILTER
- APAR PM31889 IKEV2 TUNNELS IN WAIT_KE STATE
- APAR PM34584 IKED ABEND 878 STORAGE GROWTH OF TUNNEL_DATA CONTROL BLOCKS
- APAR PM48616 IKEV1 PHASE 1 SA NEGOTIATION FAILS
- APAR PM48924 HARD LOOP IN TCPIP ENCOUNTERED AFTER ISSUING OBEYFILE ON IPSEC STATEMENT BLOCK WITH IPSECRULE/IPSEC6RULE BUT WITHOUT ENDIPSEC
- APAR PM49727 IKED DISCARDING SA_INIT WITH NONZERO MINOR VERSION NUMBER
- APAR PM49957 EZD1053I DISCONTIGUOUS SUBNET MASK 255.255.255.255 IS PROHIBITED
- APAR PM51759 EZD1322I INTERNAL ERROR IN MODULE EZAINCLI : 0009 | 2 | 0 | 0
- APAR PM52545 IKE DAEMON HANGS AT TERMINATION
- APAR PM55528 IKED NEGOTIATION OF INCORRECT ADDRESS SCOPE FOR CHILD SA
- APAR PM58292 IKED STORAGE LEAK CAUSES IKED TO FAIL AFTER LOAD OF GSKSSL FAILS
- APAR PM58578 DYNAMIC TUNNEL INSTALLATION DELAY
- APAR PM62089 IKEV1 DELETE PAYLOADS NOT BEING SENT DURING IKED TERMINATION
- APAR PM66841 DUMP TITLE=IKED IKED MESSAGE GENERATED DUMP EZD0922I INTERNAL ERROR 1E34 - 0 | 0 | 0
- APAR PM73150 NSSD ABEND0C4 EZACOCON CONNECTI RECEIVEPARTIALMSG() +0X000002E6
- APAR PM76921 AE PM73150 FIX COMPLETION
- APAR PM83079 IKED THROTTLING FUNCTION CAN EXPERIENCE POOR PERFORMANCE
- APAR PM91713 STORAGE GROWTH IN TCPIP PRIVATE SUBPOOL 249 KEY6 (V1R12 and V1R13)
- APAR PM94671 STORAGE GROWTH IN TCPIP PRIVATE SUBPOOL 249 KEY6 (V2R1)
- APAR PI16554 IKED ABEND0C4 IN GSK_DEF_FREE (V1R12, V1R13)
- APAR PI19917 IKED ABEND0C4 IN GSK_DEF_FREE (V2R1)
- APAR PI32885 NON-CRITICAL EXTENDED KEY USAGE EXTENSION FAILS NSSD LOOKUP (V1R13)
- APAR PI33000 ENHANCE IKED WITH RETURN CODE CHECKS FOR THE Z/OS XL C/C++ RUNTIME LIBRARY FUNCTION UNLINK (V1R13)
- APAR PI36113 A NEW VPN TUNNEL FOR AN EE CONNECTION TAKES A LONG TIME TO RECOVER WHEN VPNLIFE EXPIRES AND TERMINATES THE TUNNEL. (V2R1)
- APAR PI40291: ENHANCE IPSEC SUPPORT FOR CLIENTS USING DRVIPA TO INITIATE CONNECTIONS FROM LOCAL SYSPLEX DISTRIBUTOR TO TARGET SERVER (V2R1)
- APAR PI44238: EZD0953I FILTER INSTALLATION FAILED DUE TO CONFLICT WITH EXISTING FILTER IN SWSA ENVIRONMENT (V1R13)
- APAR PI45849: ABEND0C4 ABEND4C5 742D1102 IN MODULE EZBIPOUT IPSec decapsulation failures due to undetected dead peer (V2R1)
- APAR PI47342: EZD1008I 0368 SYSTEM SSL CMS CALL "COPY_DECODED_CERT_EXTENSION" FAILURE: 00000001 HANDLE IS NOT VALID AFTER P1M5 IS RECEIVED (V1R13)
- APAR PI48015: ABEND0C4 PIC 11 IN EZAPSCAN OFFSET X'BCA'
- APAR PI51556: EZD1008I 0368 SYSTEM SSL CMS CALL COPY_DECODED_CERT_EXTENSION" FAILURE: 00000001 HANDLE IS NOT VALID AFTER P1M5 IS RECEIVED (V2R1, V2R2)
- APAR PI55254: VTAM ECSA GROWTH TI00 IO00 BUFFERS EE IPNEE_LATCH BIT (V2R1, V2R2)
- APAR PI56406: ABEND301 WHEN ACTIVATING AND IMMEDIATELY DISPLAYING IKED CTRACE (V2R1, V2R2)
- APAR PI60199: IKED TASK - EZD0922I INTERNAL ERROR 14F7 - 4892 | 0 | 0 (V2R1)
- APAR PI65193: THE MSS FOR SESSIONS OVER IPSEC TUNNELS AND ADJUSTHi Hi MSS ENABLED MAY BE TOO LARGE (V2R1, V2R2)
- APAR PI67701: EZD0834I ENCAPSULATION FAILED RSN=9 IN SWSA IPSEC ENVIRONMENT (V2R1, V2R2)
- APAR PI71133: DEVELOPMENT FIXES (V2R2)
- APAR PI73494: IKED CONFIGURATION STATEMENT ECHO (V2R1)
- APAR PI78002: ABEND0C4 RC38 EZACHMPT INVALID HMAC MD5 CALLER EZATAHEN PLIST
- APAR PI80221: LOCALSECURITYENDPOINT ID VALUE INCOMPLETE ON PAGENT CLIENT WHEN OBTAINED FROM PAGENT SERVER (V2R1, V2R2)
- APAR PI80612: SIMULTANEOUS RE-REKEY OF IPSEC PHASE2 / CHILDSA SECURITY ASSOCIATIONS MAY CAUSE SWSA ISSUES
- APAR PI81398: DEVELOPMENT FIXES (V2R3)
- APAR PI82915: DEVELOPMENT FIXES (V2R3)
- APAR PI83217: IKED ABEND878 MEMORY LEAK (V2R1, V2R2, V2R3)
- APAR PI84099: IKED DISPLAYS INCORRECT CONFIGURATION FILE NAME AFTER ISSUING A REFRESH COMMAND WITH A "FILE" PARAMETER. (V2R1, V2R2, V2R3)
- APAR PI84196: DEVELOPMENT FIXES (V2R3)
- APAR PI85929: ENCAPSULATION AND OTHER IPSEC RELATED ERRORS WHEN SWSA IS ENABLED. (V2R2, V2R3)
- APAR PI86457: CSM 60K DATA SPACE STORAGE GROWTH (V2R2, V2R3)
- APAR PI86206: DEVELOPMENT FIXES (V2R3)
- APAR PI86457: CSM 60K DATA SPACE STORAGE GROWTH (V2R2, V2R3)
- APAR PI86638: ABEND0C4 EZAIKINF/INFOXCHGIN ISAKMP_SA::SENDDELETEMSG(DELETEPAYLOADPARMS)+750 (V2R1, V2R2, V2R3)
- APAR PI92999: MESSAGE EZD1150I WHEN ATTEMPTING TO CONNECT TO ACTIVE BACKUP NSS (V2R2, V2R3)
Kerberos
- Configuration
- Diagnosis
Back to Top 
Trusted TCP Connections
- Configuration
- To enable an application to retrieve sysplex-specific connection routing information over a TCP socket connection, see Sysplex-specific connection routing information and Steps for retrieving sysplex-specific connection routing information in z/OS Communications Server: IP Programmer's Guide and Reference.
- To enable applications in a sysplex to exchange security information over a TCP sockets connection by using the SIOCGPARTNERINFO ioctl and optionally the SIOCSPARTNERINFO ioctl to establish a trusted TCP connection between the applications, see Partner security credentials and Steps for retrieving partner security credentials in z/OS Communications Server: IP Programmer's Guide and Reference.
- To modify TCP/IP network management interface (NMI) applications to use associated trusted TCP connections data, see GetConnectionDetail request (an EZBNMIFR request) in z/OS Communications Server: IP Programmer's Guide and Reference.
- To develop a Java application to retrieve connection routing information and partner security credentials using the API for Java for the trusted TCP connections, see the Javadoc information in the EZBTrustedPartnerdoc.jar file, which is installed in the directory /usr/include/java_classes (download the jar file to a workstation, unpack it, and read it in a web browser).
- To display whether security credentials between partners were retrieved to create a trusted TCP connection, see TCP trusted connection flag (TcpTrustedPartner) in the Netstat ALL/-A report in z/OS Communications Server: IP System Administrator's Commands.
Diagnosis
Defense Manager Daemon (DMD)
- Configuration
- See Defensive Filtering in IP Configuration Guide.
- Technote (FAQ): Should the Defense Manager Daemon always remain active?
- See "Diagnosing Defense Manager daemon problems" in IP Diagnosis.
- APARs:
- PM38557 PERMISSIONS ERROR ON IPC MESSAGE QUEUE WHEN RUNNING DMD AS NON 0 UID (V1R10, V1R11, V1R12, V1R13)
- PM63699 DMD DOES NOT INSTALL FILTERS INTO THE STACK IN INET ENVIRONMENT (V1R12)
- PI44526 NSSD ACTIVATION FAILURE EZD1322I INTERNAL ERROR EZAINLIN CODE PAGE NOT DEFAULT (V2R2)
Diagnosis
FTP
- How to Configure FTP:
- Configuring PROFILE.TCPIP for FTP
- Configuring ETC.SERVICES
- Configuring the FTPD cataloged procedure
- Configuring FTP with multiple TCP/IP stacks
- Configuring TCPIP.DATA for FTP
- Configuring FTP.DATA (optional)
- Configuring the FTP server to log session (user ID) activity (optional)
- Configuring FTP for Multi-Byte Character Set (MBCS) data
- "Table 1. Summary of new and changed Communications Server SMF record type 119 - FTP records" in z/OS Summary of Message and Interface Changes
- "FTP client API FCAI control block" in z/OS Summary of Message and Interface Changes
- "FTP client API for REXX predefined variables" in z/OS Summary of Message and Interface Changes
- "FTP client error codes" in z/OS Summary of Message and Interface Changes
- "FTP client configuration statements" in z/OS Summary of Message and Interface Changes
- "FTP server configuration statements" in z/OS Summary of Message and Interface Changes
- Ensure FTP is listed in the AUTHCMD and AUTHPGM NAMES section of your IKJTSOxx member of SYS1.PARMLIB
- How to activate and verify FTP AT-TLS support: See section 17.4.3 in z/OS V1R10 Communications Server TCP/IP Implementation Volume 4: Security and Policy-Based Networking.
- Use AT-TLS to configure the FTP server and client for TLS security, in preference to customizing the FTP server and client for TLS. See:
- 2.3.11.1 Steps for customizing the FTP server for TLS in the IP Configuration Guide
- 2.3.11.3 Steps for customizing the FTP client for TLS in the IP Configuration Guide
- Guidelines for tuning BLKSIZE and LRECL to optimize FTP performance
- Technote (FAQ): How to make the FTP listener daemon nonswappable
- Technote (FAQ): How to control inclusion of sensitive information in FTP server replies
- Technote (FAQ): How to modify FTP message catalogs for local use
- Common FTP problems and Diagnosis
- Common z/OS UNIX FTP problems
- See "Problem determination for FTP" in IBM z/OS V1R13 Communications Server TCP/IP Implementation: Volume 2 Standard Applications
- See the following technotes:
- MustGather: Collect Troubleshooting Data for FTP for the z/OS Communications Server
- FTPs encounter setreuid() failures when implementing Kerberos
- Fixing common FTP problems
- FTP problems during data connection establishment for the z/OS FTP client
- FTP problems during data connection establishment for the z/OS FTP server
- Applications fail with s0C1 abend at startup
- FTP timeouts during data transfer for the z/OS FTP client
- FTP timeouts during data transfer for the z/OS FTP server
- FTP abnormally terminates when using CHECKREGIONLOSS
- See the following APARs:
- PM34827 WHEN TRANSFERRING MULTI-BYTE DATA IN FTP, EMBEDDED SINGLE-BYTE DATA IS NOT ALWAYS TRANSLATED USING THE CORRECT SBCS TABLES. (V1R11, V1R12)
- PM36004 ENHANCEMENT TO DSWAITTIME TO ALLOW CONTROL OF HOW OFTEN THE REPLY IS SENT (V1R11, V1R12)
- PM39242 WHEN TRANSFERRING MULTI-BYTE DATA IN FTP, EMBEDDED SINGLE-BYTE DATA IS NOT ALWAYS TRANSLATED USING THE CORRECT SBCS TABLES (V1R13).
- PM40137 ADD CLIENTEXIT (FTP CLIENT) TO SPECIFY WHETHER FTP CLIENT EXITS ON ERROR AS IF EXIT IS CODED ON STARTING FTP CLIENT.
- PM41140 PROBLEM WITH TRAILINGBLANKS AND TAPE DATASETS 11/07/01 PTF PECHANGE (V1R11, V1R12)
- PM41777 ENHANCEMENT TO DSWAITTIME TO ALLOW CONTROL OF HOW OFTEN THE REPLY IS SENT (V1R13)
- PM41914 ATTEMPTS TO TRANSFER A ZERO-SIZE LOAD MODULE VIA FTP FAILS
- PM42353 FTP OF LOAD MODULE DATA SET NOT ALLOWED
- PM43816 PROBLEM WITH TRAILINGBLANKS AND TAPE DATASETS (V1R13)
- PM49027 FTP SERVER ABENDS WITH 878 OR HASP310 ERROR DUE TO STORAGE GROWTH WHEN USING JESINTERFACELEVEL 2
- PM52007 FTP SERVER RETURNS "450 DATASET <DSNAME> IS ALLOCATED TO ANOTHER JOB AND IS UNAVAILABLE FOR STOU COMMAND"
- PM54413 HIGH CPU USAGE WHEN FTPING A FIXED BLOCK DATASET
- PM57415 FTP API FAILS WITH RETCODE X'1A' (26 FCAI_CEC_NEEDS_CONNECTION)
- PM59392 A FAILURE ON A FTP RESTART COMMAND MIGHT NOT BE ABLE TO BE RESTARTED AGAIN.
- PM59395 FTP CHECKPOINT RECORDS NOT FLUSHED TO CHECKPOINT DATASET
- PM59618 FTCHKCMD USER EXIT SCRATCHPAD BUFFER CLEARED AFTER PASS COMMAND ACCEPTED.
- PM60672 FTP IS NOT HANDLING AN EWOULDBLOCK ERROR CONDITION
- PM62125 FTP CLIENT IS NOT PARSING THE PROXY PASSWORD FROM THE NETRC FILE AS EXPECTED
- PM62213 FTP LOGIN ATTEMPTS FAILS AFTER MIGRATING TO V1R13 WHEN PASSWORD IS GREATER THAN 8 CHARACTERS
- PM63017 IN THE EVENT OF A FAILED FTP TRANSFER TO A GDG, THE FTP SESSION ATTEMPTS TO DELETE THE WRONG GDG GENERATION.
- PM68340 NEW FUNCTION
- PM79134 ABEND378 RC 14 AFTER TLS HANDSHAKE FAILURE FOR FTP CONNECTION
- PM80550 REIN COMMAND CLEARS THE INACTIVE TIMER
- PM88692 Z/OS FTP CLIENT FAILS WITH EZA2825E EVEN WITH WRAPRECORD ENABLED FOR EBCDIC FILE TRANSFER FROM NON-Z/OS FTP SERVER OR FROM HFS (V1R12, V1R13)
- PM91717 FTP LOGIC INCONSISTENCY FOR MBCS CONVERSION (FIN)
- PM92871 Z/OS FTP CLIENT FAILS WITH EZA2825E EVEN WITH WRAPRECORD ENABLED FOR EBCDIC FILE TRANSFER FROM NON-Z/OS FTP SERVER OR FROM HFS (V2R1)
- PM94590 UNINTENDED CHARACTERS X'05' IN THE SAMPLE FTCDATA MEMBER (V2R1)
- PM97133 INCORRECT SIZE IN THE FTP CLIENT TRANSFER COMPLETION SMF RECORD FOR FILES LARGER THAN 4GB (V1R12, V1R13)
- PM99172 INCORRECT SIZE IN THE FTP CLIENT TRANSFER COMPLETION SMF RECORD FOR FILES LARGER THAN 4GB (V2R1)
- PI05936 FTP FAILS TO TRANSFER AN MVS DATASET WITH EMPTY RECORD (V1R13)
- PI06388 FTP FAILS TO TRANSFER AN MVS DATASET WITH EMPTY RECORD (V2R1)
- PI07360 ERROR IN FTP SERVER SMF TYPE 119 SUBTYPE 70 RECORDS (V1R13)
- PI07940 ERROR IN FTP SERVER SMF TYPE 119 SUBTYPE 70 RECORDS (V2R1)
- PI09301 REXX EXEC INVOKING FTP IS NOT GETTING DATA OFF THE STACK (V2R1)
- PI13288 MSGIKJ56652I WHEN INVOKING FTP FROM COBOL PROGRAM AND AFTER AUTHORIZING FTP (V2R1)
- PI15989 FTP USING ZOS FTP CLIENT TO ZOS ATTLS PROTECTED FTP SERVER FAILS WITH '534 TLS NEGOTIATION FAILED -- DATA CONNECTIONCL (V1R13)
- PI17244 FTP LEVEL 2 CLIENT AUTHENTICATION IS NOT WORKING WITH RACF (V1R13)
- PI18168 FTP ENDS WITH EZA1736I QUIT GENERATED BY UNEXPECTED END OF FILE (V2R1)
- PI18664 FTP USING ZOS FTP CLIENT TO ZOS ATTLS PROTECTED FTP SERVER FAILS WITH '534 TLS NEGOTIATION FAILED -- DATA CONNECTIONCL (V2R1)
- PI18672 FTP LEVEL 2 CLIENT AUTHENTICATION IS NOT WORKING WITH RACF (V2R1)
- PI21890 EZA2897I ISSUED WHEN AUTH TLS SUBCOMMAND ENTERED ON UNENCRYPTED FTP CONTROL SESSION (V1R13)
- PI22486 EZA2862I ERROR PARSING SOCKS CONFIGURATION FILE (V1R13)
- PI23019 ADD FTP PARAMTER TO PASS APPLNAME (V1R13)
- PI23187 S0C4 ABEND IN SORT_COMPARE FROM LIST (DIR) OR NLST (LS) COMMAND (V2R1)
- PI23314 CWD DISPLAYED WHEN CD OR LCD TO THE CURRENT LOCATION IS INCORRECT (V1R13)
- PI23941 CWD DISPLAYED WHEN CD OR LCD TO THE CURRENT LOCATION IS INCORRECT (V2R1)
- PI24041 EZA2897I ISSUED WHEN AUTH TLS SUBCOMMAND ENTERED ON UNENCRYPTED FTP CONTROL SESSION (V2R1)
- PI24371 EZA2862I ERROR PARSING SOCKS CONFIGURATION FILE (V2R1)
- PI24392 Z/OS FTP SERVER RETURNS "550 NO DATA SETS FOUND" WHEN FTP CLIENT ISSUES LS (NLST) SUBCOMMAND WITH A PERIOD ('.') (V2R1)
- PI24894 FTP JOB ENDS WITH CODE S0C4 SEQ_READ_FILE_MULTI +0X00000560 (V1R13)
- PI25181 FTP JOB ENDS WITH CODE S0C4 SEQ_READ_FILE_MULTI +0X00000560 (V2R1)
- PI25622 ADD FTP PARAMETER TO PASS APPLNAME (V2R1)
- PI27772 DELAYS ALLOCATING A PORT FOR A DVIPA USING SYSPLEXPORTS (V2R1)
- PI29994 FTP CLIENT CONFIGURED FOR PASSIVE CONNECTIONS WILL FALL BACK TO ACTIVE MODE WHEN EPSV AND PASV COMMANDS SENT TO SERVER FAIL (V1R13)
- PI34207 FTP XLMT USING MVSPUT/MVSGET FAILS EZA2562W (ERR 970C/RSN 4379) DURING DYNALLOC OF WORK FILE FOR LARGE PDS/PDSE WITH LOADMODS (V2R1)
- PI34480 Wrong name in SMF records for FTP transfers of load data sets (FIN)
- PI36683 FTP CLIENT CONFIGURED FOR PASSIVE CONNECTIONS WILL FALL BACK TO ACTIVE MODE WHEN EPSV AND PASV COMMANDS SENT TO SERVER FAIL (V2R1)
- PI38100 SOME FTP PARAMETERS PASSED FROM APPLICATION USING FTP API ARE IGNORED OR FAIL TO BE PARSED CORRECTLY (V1R13)
- PI39553 ABEND0C4 IN EZAFTPMF DURING PUT OF MBCS ENCODED FILE (V1R13)
- PI40159 ABEND0C4 IN EZAFTPMF DURING PUT OF MBCS ENCODED FILE (V2R1)
- PI40468 SOME FTP PARAMETERS PASSED FROM APPLICATION USING FTP API ARE IGNORED OR FAIL TO BE PARSED CORRECTLY (V2R1)
- PI41140 GV0232C SVC99 DEALLOC FAILED RC 4 (V2R1)
- PI41647 SOME FTP PARAMETERS PASSED FROM APPLICATION USING FTP API ARE IGNORED OR FAIL TO BE PARSED CORRECTLY (V2R2)
- PI41767 S0C4 ABEND IN SORT_COMPARE FROM LIST (DIR) OR NLST (LS) COMMAND (V1R13)
- PI44636 FTP XLMT USING MVSPUT/MVSGET FAILS EZA2562W (ERR 970C/RSN 4379) DURING DYNALLOC OF WORK FILE FOR LARGE PDS/PDSE WITH LOADMODS (V2R2)
- PI47637 New function (tracking number R002) (V2R1, V2R2)
- PI49060 FTP EZA1475I/EZA1735I ERRORS, POTENTIAL S0C4-11/U4039 ABENDS, AND POTENTIAL DATA LOSS/CORRUPTION WHEN USING FILETYPE=JES (V2R1, V2R2)
- PI50027 TCPIP SEND TRANSFER RATE EXTREMELY SLOW (V2R1, V2R2)
- PI53324 COUNT OF JES FILES RETURNED BY FTP MAY NOT BE ACCURATE (FIN)
- PI55477 FTP PUT FOR TAPE DATA SET WITH MBCS ENCODING (V2R1)
- PI56138 USING SENDX WITH AT-TLS, WITH SMC-R CONFIGURED CAUSES US TO GO DOWN THE PATH AND HITS ERROR. (V2R1, V2R2)
- PI56546 FTP IS SLOW TO CLOSE A CONNECTION WHEN THE CLIENT SENDS IN THE QUIT COMMAND. (V2R1, V2R2)
- PI59965 0C1 ABEND RUNNING Z/OS FTP CLIENT DOING SECURE FTP. ABEND0C1 GSK_SECURE_SOCKET_INIT GSK_ERR_IO RC406 (V2R1, V2R2)
- PI62054 WHEN FTP CLIENT OR SERVER SECURED WITH ATTLS FAILS WITH ERROR 451 TRANSFER ABORTED DUE TO FILE ERROR. (V2R1)
- PI63041 WHEN FTP CLIENT OR SERVER SECURED WITH ATTLS FAILS WITH ERROR 451 TRANSFER ABORTED DUE TO FILE ERROR. (V1R13)
- PI63411 FTP API MODULE EZAFTPKS MISSING THE RENT ATTRIBUTED (V2R1, V2R2)
- PI65452 FTP OF PDS RESULTS IN ABENDB37-4 ON WORK FILE (V2R1, V2R2)
- PI67249 IGYDS0023E COBOL COMPILE ERROR EZAFTPKC FCAI-CEC-EXIT-EZAFCCMD-WRONG-RC (V2R1, V2R2)
- PI67757 POTENTIAL FTP FAILURE WHEN TRANSFERRING A LARGE LOAD LIBRARY (FIN - V2R1, V2R2)
- PI70495 FTP - FCXXXX AUTHSERVER: GSK_DECODE_BASE64 FAILED WITH RC = 53817375 (INCORRECT BASE64 ENCODING) - SSL SESSION ID.
- PI76201 USING FTP SMC-D WITH ATTLS RESULTS IN POOR PERFORMANCE AND MANY SMALL OUTBOUND DATA PACKETS (V2R2)
- PI77241 ORPHANED FTP API ZOMBIE PROCESSES CAUSE FORK OR SPAWN FAILURES: BPXP005I A FORK OR SPAWN ERROR WAS ENCOUNTERED. REASON=0B0F0028. (V2R1, V2R2)
- PI78916 FTP SERVER PASSIVE DATA PORTS EXHAUSTED (V2R2)
- PI79434 FTP SERVER PASSIVE DATA PORTS EXHAUSTED (V2R3)
- PI84688 ORPHANED FTP API ZOMBIE PROCESSES CAUSE FORK OR SPAWN FAILURES: BPXP005I A FORK OR SPAWN ERROR WAS ENCOUNTERED. REASON=0B0F0028. (V2R3)
- PI84885 EXCESSIVE FTP DEBUG TRACE MESSAGES NC0497 CONVERTMB (V2R1, V2R2, V2R3)
- PI91192 EZYFS08I FTP CONVERSION PROBLEM WHERE SOME CHARACTERS COULD NOT BE TRANSLATED BETWEEN TWO CODEPAGES (V2R2, V2R3)
- PI92180 ICH408I CSVDYNEX.EZAFCCMD.DEFINE EXECUTING FTP CLIENT FROM AN UNAUTHORIZED ENVIRONMENT (V2R1, V2R2, V2R3)
X.25 NPSI
- How to configure X.25 NPSI
- Configuration requirements
- Can both SNA and TCP/IP traffic over an X.25 network be shared on a single multichannel link?
- Diagnosing X.25 NPSI problems
z/OS Load Balancing Advisor
- How to configure the z/OS Load Balancing Advisor:
- Steps for configuring the z/OS Load Balancing Advisor
- Configuring the z/OS Load Balancing Advisor in a multiple TCP/IP stack environment
- Configuring the z/OS Load Balancing Advisor with subplexing
- z/OS Load Balancing Advisor configuration example
- Diagnosing z/OS Load Balancing Advisor problems:
- Diagnostic data
- Diagnostic Advisor and Agent problems
- Debug settings and corresponding syslogd priority levels
- Guideline on using syslogd in conjunction with z/OS Load Balancing Advisor and its Agents
- Load balancer connection terminates unexpectedly
- Agent-Advisor connection terminates unexpectedly
- APAR PK90545: CONNECTIONS BETWEEN LBADV AND LBAGENT ARE DROPPED UNEXPECTEDLY (V1R10, V1R11)
- APAR PM25853 CONNECTIONS DROPPED BETWEEN LBADV AND LBAGENT DUE TO TIMER OVERFLOW (V1R10, V1R11, V1R12)
TN3270E Telnet Server
- How to configure the TN3270E Telnet server:
- See "TN3270E Telnet Server" in IBM z/OS V1R13 Communications Server TCP/IP Implementation: Volume 2 Standard Applications.
- Steps for starting the TN3270E Telnet server
- Managing Telnet
- Telnet configuration data set customization details
- Technote (FAQ) 1432973: Using a new security certificate without restarting TN3270E server
- Technote (FAQ): Why is CV64 not being passed after Session Manager REQSESS to TSO?
- Technote (FAQ): Telnet timer values in profile display
- "Table 1. Summary of new and changed Communications Server SMF type 119 record - TN3270 Telnet server records" in z/OS Summary of Message and Interface Changes.
- "BEGINVTAM information block", in z/OS Summary of Message and Interface Changes.
- "TELNETGLOBALS information block", in z/OS Summary of Message and Interface Changes.
- "TELNETPARMS information block", in z/OS Summary of Message and Interface Changes.
- For a discussion of enhancements to TN3270 introduced in V1R8, V1R9, V1R10, V1R11, and V1R12, see Technote What's new with z/OS Communications Server TN3270?.
- II11710: READ FIRST/FIX LIST: OS/390 AND Z/OS PERFORMANCE AND TUNING (APAR 1 OF 3: SEE ALSO II11711 AND II11712)
- Diagnosing Telnet problems:
- See Technote (troubleshooting): Telnet SSL/TLS Quick Debug Reference
- See "Diagnosing Telnet problems" in IP Diagnosis.
- See "Problem determination for the TN3270E servers" in IBM z/OS V1R13 Communications Server TCP/IP Implementation: Volume 2 Standard Applications.
- Telnet diagnostic tools
- TCPIPCS TELNET subcommand
- MustGather: Collect Troubleshooting Data / Read First/ Fix List for TELNET and TN3270E SSL for the z/OS Communications Server
- Tips for multiple TN3270E servers in a parallel sysplex environment. See section 2.6.6 in IBM z/OS V1R11 Communications Server: TCP/IP Implementation Volume 2: Standard Applications.
- Tips for LU name server and LU name requester in a parallel sysplex environment. See section 2.6.7 in IBM z/OS V1R11 Communications Server: TCP/IP Implementation Volume 2: Standard Applications.
- How to activate and verify TN3270 AT-TLS support. See section 16.5.2 Activation and verification in IBM z/OS V1R10 Communications Server: Security and Policy-Based Networking.
- TN3270E SSL Initialization and handshake failures
- Technote (troubleshooting): EZZ6011I TELNET REGISTER FAILED, RC = 00000004 RSN = 0F030419
- Technote (troubleshooting): Storage Display Command Not Accepted by the Stand-Alone Telnet Server
- Technote (troubleshooting): Telnet change in assigning LUs
- Technote (troubleshooting): Telnet receives message EZZ6035I writing SMF record
- Technote (troubleshooting): TN3270 Sessions Dropped After Being Idle
- DNS name omitted from SNA display of IP information for TN3270 Clients
- EZZ6034I TELNET CONN xxxxxxxxxxx LU tcpxxxxxx CONN DROP ERR 3012 248 IP..PORT:xx.xx.xx.xx..xxxx
- ABEND0D6 RC 26 during Telnet processing
- Telnet abends when secureport is coded
- Syntax error message EZZ0401I when issuing an OBEYFILE command on a Telnet profile
- Telnet port fails with message EZZ6011I
- TN3270 Server Address Space Being Cancelled Every 5 Minutes
- TN3270E server does not record SMF Type 119 subtype 23 records
- EZZ6011I TELNET REGISTER FAILED, RC=00000004 RSN=0F030419
- Failures to Establish TN3270 Sessions with SSL Enabled
- Telnet secure connections fail when using ICSF to store private keys
- Technote (troubleshooting) 1458577: Cannot Use TN3270 Sessions After Enabling IPv6
- Technote (troubleshooting): RTNCD=14 FDBK2=13 received after CLSDST RPL for Telnet session
- Technote (troubleshooting): Telnet initialization fails
- Technote (troubleshooting): CLSDST pass to a TELNET LU fails with sense codes 80030003 and 08570003
- Technote (troubleshooting): Unnecessary dump taken for ABEND47B during Telnet task termination
- Technote (troubleshooting): EZZ6035I Telnet SSL connections fail with EZZ6035I message, rcode 6002, Parm1 of 000001B2
- Technote (troubleshooting): EZZ6035I messages issued when updating TN3270 ENCRYPTION statement
- Technote (troubleshooting): EZZ6035I message is issued when attempting an LU to LU session to another host
- Technote (troubleshooting): Telnet port fails with message EZZ6011I
- Technote (troubleshooting): TSO ABEND622, ABEND13E or ABEND33E
- Technote (troubleshooting): Elevated CPU in the TN3270 address space
- Technote (troubleshooting): IST663I CINIT fails with sense 08010000 to CICS
- Technote (troubleshooting): EZZ6034I TELNET CONN 0017DCB0 LU **N/A** CONN DROP ERR 6002 716 IP..PORT: xx.xx.xx.xx..xxxx EZBTTSMT
- Technote (troubleshooting): How to preserve IP address validity after TN3270 session recovery
- See the following Telnet APARs:
- PM20618 TELNET SHUTDOWN HANGS (FIN)
- PM28067 EZBTPTKO ABEND0C4 PIC=11 OFFSET X'45C'
- PM37369 ABEND0C4 IN EZBTXUTL
- PM38150 ABEND4C5 REASON CODE 74BE2506
- PM38636 TELNET LUNS SERVER WILL NOT MOVE TO ACTIVE STATE. TELNET XCF GROUP DISPLAY DOES NOT SHOW ALL MEMBERS
- PM39474 EZZ6038I PROCNAME COMMAND INACT LUNAME COMPLETE
- PM42207 TELNET CONNECTION HANGS AFTER SENDING DATA WITH AN INVALID TN3270E PROTOCOL HEADER
- PM43031 TELNET ABENDS EZBTTSND(HIP61D0 11.090)+00131C S4C5/753D1102 TRYING TO FREE A MESSAGE TRIPLE TWICE
- PM44234 DELAY IN LU ASSIGNMENT FOR A LUNR BECAUSE OF NAGLE ALGORITHM DELAYING DATA TRANSMISSION
- PM44471 CLSDST PASS FAILS WITH SENSE CODE X'080A0000'
- PM44821 D TCPIP,TELNET,OBJ,TYPE=LUGRP OUTPUT CONTAINS INVALID ACTIVE LU COUNT
- PM49510 SSL TELNET SESSION HANGS WHEN LUSESSIONPEND IS CODED AND THE USER LOGS OFF AN APPLICATION AND LOGS BACK ON
- PM49829 TN3270 ABENDS IN EZBITSCU(HIP61D0 11.090)+00116E S0C4/00000004 DUE TO BAD SKMBNEXT POINTER
- PM50108 USSPARM LOGMODE IGNORED WHEN USING INTERPTCP INTERPRET TABLE
- PM54994 TELNET SMF 119 RECORDS SUBTYPE 20 AND 21 HAVE INCORRECT TIME AND DATES WHEN SNA SESSIONS ARE TAKEN OVER
- PM57291TELNET SHUTDOWN HANGS. MAY RESULT IN ABEND4C5 RC = 74C43134 MODULE EZBTZTRM. FINREVERSAL OF PM20618
- PM58129 ABEND0C4 IN EZBTDOBJ + X'1346'
- PM58576 TN3270E CLIENTS HANG WHEN VTAM BIND SPLIT OVER TWO MESSAGES
- PM58814 A LINEMODE CLIENT RECEIVES GARBLED DATA FROM TELNET SERVER
- PM59229 MSG10 SENT TO CLIENT INSTEAD OF MSG07 FOLLOWING NO LUS AVAILABLE ERROR.
- PM59641 ABEND0C4 IN EZBTPGLP
- PM66088 TELNET PRINTER CONNECTION HANGS
- PM68761 ABEND4C5 TELNET ABEND4C5 RC 74BE2506 EZBITSTO X'212C' AIOCB FREED TWICE LUGROUP LUMAP
- PM72161 TELNET STORAGE GROWTH IN SUBPOOL 249 KEY 6 WHEN USING MORE THAN 64K LUMAP STATEMENTS WITH HOSTNAMES
- PM72871 UNPREDICTABLE ABENDS IN IDLE TN3270 SERVER AFTER MAINTENANCE
- PM76343 TELNET LOOPS WHEN USING 3270 CONNECTIONS AND GENERIC TAKEOVER
- PM79869 TELNET PRINTER STOPS BEFORE THE PRINT JOB IS COMPLETED
- PM81547 ABEND4C5 IN EZBTTCCC (HIP61D0 11.090)+0011A6 RSN=77F82A00
- PM84824 LOOP IN EZBTPUSW WHEN PROCESSING A TELNET USS TABLE WITH SYSTEM SYMBOLICS (V1R13)
- PM85497 TELNET CLIENT RUNNING A SCRIPT HANGS AFTER RECEIVING DEFAULT MSG10 (FIN)
- PM88076 LOOP IN EZBTPUSW WHEN PROCESSING A TELNET USS TABLE WITH SYSTEM SYMBOLICS (V2R1)
- PM99117 SETLOGON FAILURE WITH RETURN CODE 2014 (V1R13)
- PI04745 SETLOGON FAILURE WITH RETURN CODE 2014. (V2R1)
- PI12836 SYSTEM BELOW THE LINE STORAGE ABENDS 878-10 (V1R13)
- PI14176: TELNET ABEND0C4 EZBTTSRV CALLER EZBTTCFB FREEMSGTRIPLE AICOB SKMB ALREADY FREED
- PI14530 SYSTEM BELOW THE LINE STORAGE ABENDS 878-10 (V2R1)
- PI14661 TELNET CLIENT RUNNING A SCRIPT HANGS AFTER RECEIVING DEFAULT MSG10 - FIN REVERSAL OF PM85497 (V2R1)
- PI15509 ABEND0C4 EZBITSTO + X'23FA' RUNNING LUNS ON TELNET. CALLER WAS EZBTDPRM, CALLED BY EZBTMCTM (V1R13)
- PI17124 ABEND0C4 EZBITSTO + X'23FA' RUNNING LUNS ON TELNET. CALLER WAS EZBTDPRM, CALLED BY EZBTMCTM (V2R1)
- PI17311 TIMEMARKS NO LONGER SENT TO CLIENTS FOR GIVEN TELNET PORT (V1R13)
- PI18794 TIMEMARKS NO LONGER SENT TO CLIENTS FOR GIVEN TELNET PORT (V2R1)
- PI22334 STACK LOOPS WHEN PROCESSING TN3270 STATEMENT ENCRYPTION WITH SEQUENCE NUMBER (V1R12, V1R13)
- OA37305 LOOP IN ISTTSCWU WITH SHAREACB ENABLED (V1R12, V1R13)
- OA37473 AE OA37305 FIX COMPLETION (V1R12, V1R13)
- OA37606 ABEND0A9 FF09 WHEN SHAREACB ENABLED FOR TELNET (V1R12, V1R13)
- OA38554 ABEND0C4 IN MODULES ISTSQCDS, ISTMGCSC DUE TO BAD ACDEB POINTER IN RDTE WHEN RUNNING TELNET SHAREACB FUNCTION. (V1R12, V1R13)
- OA42322 ABEND0C4 IN ISTCPCIT WITH SHAREACB ENABLED FOR TELNET (V1R12,V1R13)
- OA44348 ABEND0C4 ISTNRCCE +X'628' REFERENCING A FREED RDTE. CALLER WAS ISTSDCLR. (V2R1)
- OA44492 ABEND0C4 ISTNRCCE +X'628' REFERENCING A FREED RDTE. CALLER WAS ISTSDCLR. (V1R12, V1R13)
- OA44909 ABEND0A9 7075 ISTORCDF+X'39C' DOUBLE FREEBLK WHILE RUNNING TN3270 (V1R13)
- OA45064 ABEND0A9 7075 ISTORCDF+X'39C' DOUBLE FREEBLK WHILE RUNNING TN3270 (V2R1)
- PI26087 STACK LOOPS WHEN PROCESSING TN3270 STATEMENT ENCRYPTION WITH SEQUENCE NUMBER (V2R1)
- PI30115 OBEYFILE PROCESSING IS NOT PROVIDING ENOUGH INFO TO IDENTIFY THE INCLUDE FILE WHERE DUPLICATE LUMAP STATEMENTS ARE (V2R1)
- PI33880 TIMEMARK SENT AT WRONG INTERVAL WHEN USING SMALL VALUE (V1R13)
- PI38683 TELNET SERVER LOOPs (FIN)
- PI39792 LOOP IN MODULE EZBTTSND PREVENTS ANY FURTHER CONNECTIONS FROM BEING ACCEPTED (V2R1)
- PI38974 LOOP IN MODULE EZBTTSND PREVENTS ANY FURTHER CONNECTIONS FROM BEING ACCEPTED (V1R13)
- PI40931 LOOP IN MODULE EZBTTSND PREVENTS ANY FURTHER CONNECTIONS FROM BEING ACCEPTED (V2R2)
- PI43299 TELNET SERVER IN LOOP USING EXCESSIVE CPU (V2R1)
- PI43897 TELNET SERVER IN LOOP USING EXCESSIVE CPU (V2R2)
- PI46366 MESSAGE IN RESPONSE TO THE V TCPIP,TN3270,OBEYFILE COMMAND IS FLAGGED AS DC4 (SYSTEM STATUS) INSTEAD OF DC5 (COMMAND RESPONSE) (FIN)
- PI49175 OBEY COMMAND FAILS WHEN USING RO *ALL (V1R13)
- PI51032 OBEY COMMAND FAILS WHEN USING RO *ALL (V2R1, V2R2)
- PI52369 ABEND0C4 EZBTPUSW (V2R2)
- PI57735 ABEND0C4 IN EZBTVSRP, EZBTVXS2, OR EZBTVXRC (V2R2)
- PI59639 EZBITMSG ABEND0C4 (V2R2)
- PI61071 TN3270 SERVER FAILS CONNECTION WITH EZZ6035I RC=3013 AFTER LOGON VIA INTERPRET TABLE (V2R2)
- PI61391 ABEND0C4 IN EZBTVXNS+X'1BE' (V2R1, V2R2)
- PI63699 A TELNET CTRACE ENTRY IS MISSING DATA (V2R2)
- PI63805 ABEND0C4 IN EZBITSTP + X'476' IN TN3270 (TELNET) (V2R2)
- PI64688 ABEND0C4 IN MODULE EZBTVXSP (V2R1, V2R2)
- OA46515 ABEND0A9 RCFF13 ISTSSCUB TELNET SHARED ACB SESSEND USE COUNT (V1R13)
- OA46917 ABEND0A9 RCFF13 ISTSSCUB TELNET SHARED ACB SESSEND USE COUNT (V2R1)
- OA47037 ABEND0C4 MODULE ISTLUCST +X'1392' WHEN USING TELNET SHAREACB FUNCTION (V1R13)
- OA47086 ABEND0C4 MODULE ISTLUCST +X'1392' WHEN USING TELNET SHAREACB FUNCTION (V2R1)
- PI66110 S0C1 ABEND AT EZBTRMST+0004EC IN THE TN3270 SERVER (V2R2)
- PI67798 TN3270 delivers old information to the application (V2R1)
- PI70424: TELNET CLIENT CONNECTION IS NOT ENDED WHEN VTAM SESSION TERMINATES (V2R2)
- PI71325: EZZ6003I TN3270E QUIESCED ON PORT NNN (V2R1, V2R2)
- PI71338 TN3270 TELNET ABENDEC6 0F100041 WHEN CONFIGURED WITH ATTLS PROTECTION AND CHECKCLIENTCONN (V2R2)
- PI72621: TCPIPCS PROFILE HAS GARBLED DATA FOR TELNET DUMP (V2R2)
- PI73124: LOOP IN TN3270 WHEN INVALID USSMSG IS SENT TO CLIENT (V2R1)
- PI78169: TCPIP TELNET CVT OVERLAY BY POST AT EZBTZMST+5164 CAUSING SUBSEQUENT ABENDS (V2R1, V2R2)
- PI78278 TELNET SOLICITOR SCREEN IS PREFILLED WITH THE DEFAULT APPL NAME BUT IS NOT RECOGNIZED AS INPUT. (V2R1, V2R2)
- PI78564 ABEND0C4-4 IN EZBTVRQS+0005F2 (V2R1, V2R2)
- PI80008 Slow Telnet logons with SHAREACB (V2R1, V2R2)
- PI80717 TCPIP TELNET CVT OVERLAY BY POST AT EZBTZMST+5164 CAUSING SUBSEQUENT ABENDS (V2R3)
- PI80720: TELNET SOLICITOR SCREEN IS PREFILLED WITH THE DEFAULT APPL NAME BUT IS NOT RECOGNIZED AS INPUT.(V2R3)
- PI80723: ABEND0C4-4 IN EZBTVRQS+0005F2 (V2R3)
- PI80678: Slow Telnet logons with SHAREACB (V2R3)
- PI86139: When using SHAREACB, the RDTE for the Telnet APPL hangs in a PINAC state when the Telnet client also had a queued session. (V2R1, V2R2, V2R3)
- PI88348: EZBITSCU ABEND0C4 (V2R2, V2R3)
- PI89637: ABEND0C4-11 IN EZBTVSCU+001506 (V2R1, V2R2, V2R3)
- PI89679: TN3270 SERVER PORT CONFIGURED TO USE NATIVE SSL WILL NOT START (V2R1, V2R2, V2R3)
z/OS UNIX Telnet Server (otelnetd)
- Configuration
- See "Configuring the z/OS UNIX Telnet server" and "otelnetd" in IP Configuration Guide.
- See "Conceptual overview of otelnetd" and z/OS UNIX Telnet server implementation in Chapter 8 of IBM z/OS V1R13 Communications Server TCP/IP Implementation: Volume 2 Standard Applications.
- Diagnosis
- See "Diagnosing z/OS UNIX Telnet daemon (otelnetd) problems" in IP Diagnosis.
- See "Problem determination for otelnetd" in IBM z/OS V1R13 Communications Server TCP/IP Implementation: Volume 2 Standard Applications.
- APARs:
OMPROUTE
- How to configure OMPROUTE:
- Update OMPROUTE configuration procedures for OMPROUTE_OPTIONS
- OMPROUTE configuration
- Adding an interface
- z/OS OMPROUTE Hints and Tips
- Starting and controlling OMPROUTE
- Benefits of configuring an OMPROUTE OSPF Stub Area
- z/OS OMPROUTE: how to dynamically update an interface
- Verification of OMPROUTE IPv4 configuration and state
- Verification of OMPROUTE IPv6 configuration and state
- Sample OMPROUTE configuration files
- How to diagnose OMPROUTE problems
- APARs:
- PM20093 UNDER CERTAIN CONDITIONS, OMPROUTE MAY IGNORE CONFIGURED ROUTERID AND SELECT A DIFFERENT ROUTERID.
- PM21613 OMPROUTE MAY INCORRECTLY ISSUE EZZ7830I REGARDING A SYNTAX ERROR ON A LEGAL DECIMAL VALUE.
- PM22437 INCORRECT SUBNET MASK IN THE NETSTAT DEVLINK OUTPUT
- PM23309 OMPROUTE ABNORMALLY TERMINATES EZZ8074I/EZZ7805I AFTER EZZ7842I INFORMATIONAL RECV() ERROR WITH ERROR 1121 AND ERRNO2 76650446
- PM27084 OMPROUTE ISSUES MESSAGE EZZ8156I WHEN IT DOES NOT HAVE WRITE ACCESS TO ENVAR TMPDIR OR /TMP (IF TMPDIR IS NOT DEFINED)
- PM39658 OMPROUTE ENVIRONMENT VARIABLES LIKE OMPROUTE_OPTIONS=HELLO_HI ARE NOT SET WHEN USING PGM=OMPROUTE AND DD:STDENV MVS DATA SET
- PM74952 ABENDS4C5/74620402 IN EZBUDWRTBB
- PM88359 OMPROUTE MESSAGE EZZ8071I (V1R13)
- PM95548: DELETING OR MOVING A DVIPA IN SAME SUBNET AS PARALLEL OSPF INTERFACES RESULTS IN CONNECTIVITY LOSS OF DIRECT SUBNET ROUTES (V1R12, V1R13)
- PM96049 ROUTING TREE UPDATES SUSPENDED AFTER APPLICATION ABEND (V1R13)
- PM98428: DELETING OR MOVING A DVIPA IN SAME SUBNET AS PARALLEL OSPF INTERFACES RESULTS IN CONNECTIVITY LOSS OF DIRECT SUBNET ROUTES (V2R1)
- PI04881 ROUTING TREE UPDATES SUSPENDED AFTER APPLICATION ABEND (V2R1)
- PI31314 CONNECTTIMEOUT IS NOT WORKING AS EXPECTED DUE TO OMPROUTE (V2R1)
- PI38376 TCP CONNECTS TO A DRVIPA FROM A TARGET SYSTEM (VIPABACKUP) CAN BE USING MSS 536 (MTU 576) UNEXPECTEDLY FOR POOR PERFORMANCE (V2R1)
- PI44962 TCP CONNECTS TO A DRVIPA FROM A TARGET SYSTEM (VIPABACKUP) CAN BE USING MSS 536 (MTU 576) UNEXPECTEDLY FOR POOR PERFORMANCE (V2R2)
- PI48323 IST1578I DEVICE INOP DETECTED FOR OSA_DEVICE BY ISTLLCWI CODE = 105 (V2R1, V2R2)
- PI53530 U4087 ABEND IN OMPROUTE (V2R2)
- PI53622 DISPLAY TCPIP,,OMPROUTE SHOWS INCORRECT ADVERTISED VIPA ROUTES (V2R1, V2R2)
- PI68004 RACF SMF TYPE 80 SUBTYPE 2 RECORD DOES NOT CONTAIN CORRECT CHARACTER STRING FOR LOGSTR DATA IN RACROUTE (V2R1, V2R2)
- PI69650 TCPIP OMPROUTE HANG INVALID ROUTING TABLE REFCOUNT ZERO NEGATIVE (V2R2)
- PI71406 THE DISPLAY TCPIP,,OMPROUTE COMMANDS FAIL WITH EZZ0059I ERROR=113 ERRNO2=1015011C AFTER ISSUING VARY TCPIP,,EXPORTPROF (V2R2)
- PI75918 POTENTIAL S0C4 ABEND IN OMPROUTE FROM LE HEAP STORAGE OVERLAY (V2R1, V2R2)
- II12026: MustGather: Read first/Fix list for OMPROUTE for z/OS Communications Server
- CSTCP_IPMAXRT4_tcpipstackname in IBM Health Checker for z/OS: User's Guide.
- CSTCP_IPMAXRT6_tcpipstackname in IBM Health Checker for z/OS: User's Guide.
- HZS0001I specifies CSTCP_IPMAXRT4_TCPIPstackname or CSTCP_IPMAXRT6_TCPIPstackname
- Detailed Explanations and Actions for Message EZZ7828I ERROR ADDING/DELETING/CHANGING IPV4 STACK ROUTE
- How to analyze routing failures
- z/OS OMPROUTE Hints and Tips
- Duplicate Router ID Errors
- OMPROUTE Send Request Blocked at Startup
- Message EZZ8064I received at OMPROUTE startup
- OSPF inbound multipath support for interfaces on the same subnet
- Receiving EZZ7968I Message
- Applications fail with s0C1 abend at startup
- OSPF routes not being propagated into a RIP region with COMPARISON=Type1
- OMPROUTE message EZZ8156I OSPF is unable to translate MVS system symbols or process INCLUDE statements as a result of error ERRNO: 129 EDC5129I No such file or directory. errno2: C00B04B3
- OMPROUTE address space being cancelled every 5 minutes by TCPIP
- OMPROUTE appears to hang due to HFS issues
- OMPROUTE RIP does not accept default routes
- OMPROUTE issues message EZZ7884I at startup
- OMPROUTE using more CPU when connected to a multicast-capable network
TCP/IP Performance
- Performance considerations
- For information on diagnosing throughput problems, see Using Traces for TCP/IP Throughput Problems.
- z/OS IP usage of Missing Interrupt Handler (MIH)
- For a list of recommendations for maximizing TCP/IP Performance see section 8.7 TCP/IP Performance Quick Checklist in z/OS V1R11 Communications Server: TCP/IP Implementation Volume 3: High Availability, Scalability, and Performance.
- PI67100 IPV4 IPIDS CAN BE RE-USED MORE QUICKLY THEN NORMAL WHEN USING SEGMENTATION OFFLOAD (V2R1, V2R2)
- Poor TCP/IP Performance over HiperSockets
- z/OS Communications Server V1R12 performance summary
- PM61951 POTENTIAL TCPIP PERFORMANCE DEGRADATION WITH PATHMTUDISCOVERY
- PM72186 NETSTAT ALL SENDSTALLED INDICATOR IS YES WHEN TCP CONNECTION IS RUNNING NORMALLY
- PM73355 SLOW NETWORK TRANSFER RATES FOR MQSERIES CONNECTIONS
- PM80076 CURRENTCONNECTIONS IN NETSTAT ALL FOR FRCA LISTENER INCORRECT
- PM81034 CSM FIXED 32K DATASPACE STORAGE LEAK
- PI67100 IPV4 IPIDS CAN BE RE-USED MORE QUICKLY THAN NORMAL WHEN USING SEGMENTATION OFFLOAD (V2R1, V2R2)
- PI67843 TCP THROUGHPUT DEGRADED OVER NETWORK WITH PACKET LOSS AND SELECTIVE ACK (SACK) ENABLED. (V2R1, V2R2)
VIPA without dynamic routing
Configuration
- See "Using Static VIPAs" in IP Configuration Guide.
Diagnosis
- Debugging tips: See section 3.4 in IBM z/OS V1R11 Communications Server: TCP/IP Implementation Volume 3: High Availability, Scalability, and Performance
SSL/TLS
- Configuration
- Do not start the FTP server on port 990: See Information APAR II13516 Read first for FTP Client and Server TLS Support for z/OS Communications Server.
- Do not use FTP client port 990 to connect to the FTP server. See Information APAR II13516 Read first for FTP Client and Server TLS Support for z/OS Communications Server.
- Appendix B. TLS/SSL security in IP Configuration Guide
- Avoiding SSL Certificate Expiration
- Diagnosis
- Technote (troubleshooting): TLS / SSL Session ID caching in sysplex with z/OS TN3270 and FTP
- Diagnosis
Intrusion Detection Services (IDS)
- Configuration
- Use Configuration Assistant for z/OS Communications Server to configure IDS
- We recommend using the IBM Configuration Assistant GUI whenever possible to avoid syntax errors that can occur with manual editing.
- There is also a health check feature in the GUI that can even detect many of the logic errors that you might introduce when building policies.
- See in z/OS V1R10 Communications Server TCP/IP Implementation Volume 4: Security and Policy-Based Networking:
- How to verify the IDS policy: See 13.3.6 "Checking that things are working" in z/OS V1R10 Communications Server TCP/IP Implementation Volume 4: Security and Policy-Based Networking.
- Diagnosis
- See "Diagnosing Intrusion Detection Problems" in z/OS Communications Server IP Diagnosis
- APAR PM14103: IDSSCANEXCLUSION LIST NOT TOTALLY PROCESSED
- APAR PM42124: ABEND4C5 RSN 76C82A00 EZBIDSCD FINDCOMP ZERO ITHAS_A_NUMREFS
- APAR PI34882: CURRENT STALLED CONNECTION COUNTER APPEARS TO BE A CUMULATIVE COUNT.
- APAR PI91273: S0C4 ABEND IN EZBIDSTR AFTER AN IDS EVENT (V2R2, V2R3)
Quality of Service (QoS)
- Use Configuration Assistant for z/OS Communications Server to configure QoS
- We recommend using the IBM Configuration Assistant GUI whenever possible to avoid syntax errors that can occur with manual editing.
- There is also a health check feature in the GUI that can even detect many of the logic errors that you might introduce when building policies.
- See in z/OS V1R10 Communications Server TCP/IP Implementation Volume 4: Security and Policy-Based Networking:
- 13.3.2 The IBM Configuration Assistant for z/OS Communication Server
- 13.3.3 Requirements and download instructions
- 13.3.4 Configuring IDS policy using the GUI
- 13.3.5 Installing the IDS policy
- How to verify the QoS policy: See 13.3.6 "Checking that things are working" in z/OS V1R10 Communications Server TCP/IP Implementation Volume 4: Security and Policy-Based Networking.
IP Filtering
- How to implement IP filter rules: See section 7.2 "z/OS IP Filtering Implementation" in z/OS V1R10 Communications Server TCP/IP Implementation Volume 4: Security and Policy-Based Networking.
Network Security Services (NSS) for IPSec Clients
- Configuration
- Common NSS server initialization problems
- See section 3.4.1.1 "Common NSS server initialization problems" in IP Diagnosis.
- See section 9.4 "Diagnosing the NSSD Environment" in z/OS V1R10 Communications Server TCP/IP Implementation Volume 4: Security and Policy-Based Networking.
- Common NSS client connection problems
- See section 3.4.1.2 "NSS client connection problems" in the IP Diagnosis Guide.
- See section 9.4 "Diagnosing the NSSD Environment" in z/OS V1R10 Communications Server TCP/IP Implementation Volume 4: Security and Policy-Based Networking.
- How to verify NSS for IKED: See Section 9.3 Verifying the NSS environment for the IKED Client in the z/OS V1R10 Communications Server TCP/IP Implementation Volume 4: Security and Policy-Based Networking.
- Technote (troubleshooting): NSSD messages are prefixed with BPXM023I
- APAR PK91350 ABEND0C4 IN MODULE EZAIKP0H ( UK46490 ) + X'232' AFTER ISSUING F DMD,DISPLAY OR F DMD,REFRESH
- APAR PM28369 NSSD 0C4 ABEND OR INTERNAL ERROR 07A0
- APAR PM51759 EZD1322I INTERNAL ERROR IN MODULE EZAINCLI : 0009 | 2 | 0 | 0
- APAR PI92999 MESSAGE EZD1150I WHEN ATTEMPTING TO CONNECT TO ACTIVE BACKUP NSS SERVER WHILE PRIMARY IS DOWN AND NSSWAITRETRIES 1 IS SET (V2R2, V2R3)
- Technote 1568062: EZD1322I INTERNAL ERROR IN MODULE EZAINCSN
Diagnosis
Application Transparent Transport Layer Security (AT-TLS)
- Configuration
- How to implement AT-TLS
- See section 12.1.3 "How AT-TLS can be applied" in z/OS V1R10 Communications Server TCP/IP Implementation Volume 4: Security and Policy-Based Networking.
- Use the Configuration Assistant for z/OS Communications Server to configure AT-TLS. See section 2.13.3.1 "Option 1: Use the IBM Configuration Assistant for z/OS Communications Server" in the IP Configuration Guide.
- See section 2.13.5 Getting started with AT-TLS in the IP Configuration Guide.
- How to delay the startup of a procedure that depends on AT-TLS services: See section 2.8 "AUTOLOG statement" in the IP Configuration Reference.
- Allow users of AT-TLS access to CSFIQA and CSFRNG resources of the CSFSERV class if ICSF will be used with AT-TLS
- Ensure ICSF is active before starting the Policy Agent when AT-TLS groups are configured in FIPS 140 mode
- Diagnosis
- Common AT-TLS startup errors: See section 3.23.1 "Common AT-TLS Startup Errors" in the IP Diagnosis Guide.
- How to diagnose AT-TLS problems: See section 3.23.2 "Steps for diagnosing AT-TLS problems" in the IP Diagnosis Guide.
- TCPIPCS TTLS subcommand
- Technote Procedure to get AT-TLS to pick up new ICSF configuration.
- APAR PM01158: FTP CLIENT GETS FTPAUTH: TLS INIT FAILED WITH RC = 201 WHEN KEYRING HAS A LAST EXTENSION GREATER THAN 3 CHARACTERS
- APAR PM14615: TCPIP HIGH CPU UTILIZATION DUE TO AT-TLS LOOP PROCESSING TLS ALERT AFTER TLS CLOSE NOTIFY
- APAR PM16441: CONNECTIONS USING ATTLS REMAIN IN LAST_ACK STATE AND SYN PACKETS FOR NEW CONNECTIONS ARE DROPPED
- APAR PM20810: UNABLE TO PASS LANGUAGE ENVIRONMENT VARIABLES TO ATTLS TO CHANGE TIMEZONE OF ATTLS DEBUG MESSAGES
- APAR PM25152: POTENTIAL OVERLAYS WITH AT-TLS ENABLED
- APAR PM29181: AT-TLS 5005 ERROR MESSAGE WHEN SERVER IS USING 127.0.0.1.
- APAR PM30061: AT-TLS CONNECTION USING FASTER LOCAL SOCKETS FAILS WITH 5004 HANDSHAKE TIMEOUT ERROR.
- APAR PM30161: AT-TLS NOT RETURNING USERID ON SIOCTTLSCTL IOCTL IN V1R12
- APAR PM35506: TCPIP PRIVATE STORAGE SP249 K6 STORAGE GROWTH WHEN AT-TLS ENABLED
- APAR PM36149: ABEND S0C4 IN EZBTCRD (UK59397 10.246)+01515E WHEN SSL CLIENT SENDS SSL APPLICATION DATA DURING SSL HANDSHAKE (V1R12)
- APAR PM36877: TCPIP SUBPOOL 249 KEY 6 STORAGE GROWTH USING AT-TLS
- APAR PM38402: TELNET SUBPOOL 249 KEY 6 STORAGE GROWTH WHEN AT-TLS ENABLED
- APAR PM39412: ABEND0C4 IN EZBTCMR
- APAR PM40380 TCPIP PRIVATE STORAGE SP249 K6 STORAGE GROWTH WHEN AT-TLS ENABLED
- APAR PM42056 S0C4 ABEND IN EZBTLFWR(UK50683 09.274)+0009A2 WHEN APPLICATION CLOSES SOCKET DURING SSL HANDSHAKE
- APAR PM49922 S0C4 ABEND IN EZBTLFWR(UK50683 09.274)+0009A2 WHEN APPLICATIONCLOSES SOCKET DURING SSL HANDSHAKE - FINREVERSAL OF PM42056
- APAR PM58594 HANDSHAKE FAILURE WHEN AT-TLS AND IPSEC DYNAMIC TUNNEL MAP THE SAME CONNECTION
- APAR PM62905 NEW FUNCTION
- APAR PM72266 CERTIFICATE USERID VALUE NOT PASSED TO CICS SOCKETS SECURITY EXIT USING AT-TLS
- APAR PM77038 HEALTHCHECKER FAILS TO CREATE SOCKET WHEN STARTED BY AUTOMATION AFTER MESSAGE EZAIN11I
- APAR PM79134 ABEND378 RC 14 AFTER TLS HANDSHAKE FAILURE FOR FTP CONNECTION
- APAR PM80004 NEW FUNCTION TO PROVIDE SUPPORT FOR NOTIFICATION WHEN A TCP CONNECTION IS TERMINATED.
- APAR PM81404 RANDOM EZY1369E MESSAGES WHEN USING AT/TLS WITH CICS LISTENER
- APAR PM84162 POTENTIAL FOR CONTROLLED AT/TLS CONNECTION TO HANG (V1R12, V1R13)
- APAR PM88067 POTENTIAL FOR CONTROLLED AT/TLS CONNECTION TO HANG (V2R1)
- APAR PM96898: NEW FUNCTION
- APAR PM96930 THE CODE IS TREATING EAGAIN THE SAME AS EIBMNOACTIVETCP WHEN THEY ARE IN FACT NOT THE SAME. ERRNOJR (JRTCPNOTACTIVE) (V1R13)
- APAR PI04972 THE CODE IS TREATING EAGAIN THE SAME AS EIBMNOACTIVETCP WHEN THEY ARE IN FACT NOT THE SAME. ERRNOJR (JRTCPNOTACTIVE) (V2R1)
- APAR PI18664 FTP USING ZOS FTP CLIENT TO ZOS ATTLS PROTECTED FTP SERVER FAILS WITH '534 TLS NEGOTIATION FAILED -- DATA CONNECTIONCL
- APAR PI24041 EZA2897I ISSUED WHEN AUTH TLS SUBCOMMAND ENTERED ON UNENCRYPTED FTP CONTROL SESSION
- APAR PI25167 EZBTCRD S0C4/00000 WHEN RUNNING AT-TLS (V2R1)
- APAR PI27764 EZBTCRD (UI16041 14.073)+018BE4 S0C4/00000 WHEN RUNNING AT-TLS (V1R13)
- APAR PI40004 INCORRECT PORTRANGE STATEMENT IN SAMPLE AT-TLS POLICY (V1R13)
- APAR PI40723 INCORRECT PORTRANGE STATEMENT IN SAMPLE AT-TLS POLICY (V2R1)
- APAR PI41277: DATTRACE DOES NOT COLLECT OUTBOUND RECORDS FOR APPLICATIONS THAT USES ACCEPTANDRECV (BPX1ANR) WITH ATTLS ENABLED (V2R1)
- APAR PI43047: INCORRECT PORTRANGE STATEMENT IN SAMPLE AT-TLS POLICY (V1R13)
- APAR PI49934: INCORRECT TTLSRULE STATEMENT IN SAMPLE AT-TLS POLICY (FIN)
- APAR PI52288: CICS STORAGE VIOLATION ISSUED AFTER A GETMAIN ISSUED FROM
- APAR PI56138: USING SENDX WITH AT-TLS, WITH SMC-R CONFIGURED CAUSES US TO GO DOWN THE PATH AND HITS ERROR. (V2R1, V2R2)
- APAR PI61062: ATTLS ENABLED CONNECTION HANGS INDEFINITELY WHEN INVALID SSL CLIENT HELLO PACKETS ARE RECEIVED (V2R1, V2R2)
- APAR PI62054: WHEN FTP CLIENT OR SERVER SECURED WITH ATTLS FAILS WITH ERROR 451 TRANSFER ABORTED DUE TO FILE ERROR. (V2R1, V2R2)
- APAR PI64292: LOOP IN EZBTLFWR WHEN TRANSFERRING FILES USING ATTLS AND SMCR (V2R1, V2R2)
- APAR PI70495: FTP - FCXXXX AUTHSERVER: GSK_DECODE_BASE64 FAILED WITH RC = 53817375 (INCORRECT BASE64 ENCODING) - SSL SESSION ID. (V2R2)
- APAR PI71338: TN3270 TELNET ABENDEC6 0F100041 WHEN CONFIGURED WITH ATTLS PROTECTION AND CHECKCLIENTCONN (V2R2)
- APAR PI76201: USING FTP SMC-D WITH ATTLS RESULTS IN POOR PERFORMANCE AND MANY SMALL OUTBOUND DATA PACKETS. (V2R2)
- APAR PI78949: ATTLS worker threads terminate while work requests are on the pending queue. (V2R2)
- APAR PI79708: TCPIP TCB LOCK CONTENTION FOR ATTLS (V2R2)
- APAR PI80850: ATTLS ERRORS IN SRB MODE IN THE CELAAUTH ENVIRONMENT ARE NOT BEING HANDLED CORRECTLY (V2R2)
- APAR PI82671: TCPIP TCB LOCK CONTENTION FOR ATTLS (V2R3)
- APAR PI83075: ATTLS worker threads terminate while work requests are on the pending queue. (V2R3)
- APAR PI83360: ATTLS ERRORS IN SRB MODE IN THE CELAAUTH ENVIRONMENT ARE NOT BEING HANDLED CORRECTLY (V2R3)
- APAR PI89541: NEW SSL HANDSHAKES OR SSL SESSION CLOSURE HANGS WHEN USING ATTLS (V2R3)
Policy-Based Routing (PBR)
- Configuration
- Use the Configuration Assistant for z/OS Communications Server to create policy-based routing configuration files: See section 1.6.17.1.1 "Option 1: Use the IBM Configuration Assistant for z/OS Communications Server" in the IP Configuration Guide.
- z/OS V2R1 Communications Server: IPv6 support for policy-based routing: Part1
- z/OS V2R1 Communications Server: IPv6 support for policy-based routing: Part 2
- APAR PM47726 TCP RESET PACKETS ARE NOT ROUTED USING POLICY BASED ROUTING (PBR) POLICIES (V1R12, V1R13)
- APAR PM86331 OUTBOUND PINGS (IPV4 ICMP) CAN BE INADVERTENTLY SUBJECTED TO POLICY-BASED ROUTING TABLES FOR UNEXPECTED RESULTS (V1R13)
- APAR PM91127 OUTBOUND PINGS (IPV4 ICMP) CAN BE INADVERTENTLY SUBJECTED TO POLICY-BASED ROUTING TABLES FOR UNEXPECTED RESULTS (V2R1)
- APAR PI18234 PAGENT PBR ABEND4C5 REASON 78140402 TCPUNEXPECTEDERR EZBIPPBR PBR_RT@ NOT NULL (V1R13)
- APAR PI25559 LOGS FILLING UP WITH MESSAGE EZZ8771I PAGENT CONFIG POLICY PROCESSING COMPLETE FOR TCPIP : ROUTING (V2R1)
Diagnosis
Policy Agent (PAGENT)
- Configuration
- For a discussion of Policy Agent enhancements introduced by V1R11, see Configuring, Operating, and Monitoring Policy Agent.
- Common Policy Agent initialization problems. See:
- Section 3.20.6.1 "Initialization Problems" in the IP Diagnosis Guide.
- Technote Policy Agent repetitively cancelled by TCPIP
- Technote Policy Agent configuration with Sysplex Distributor
- Technote (troubleshooting): Policy Agent issues message EDC5132I Not enough memory or takes abend U4088 RC 3EC
- Technote (troubleshooting): Clarification of Policy Agent (PAGENT) debug messages
- APARs
- PK89529 POLICY AGENT ATTLS PARAMETER VALUE OF 32 CHARACTERS CAUSING ABEND
- PK93069 PAGENT INTERMITTENTLY NOT ISSUING MESSAGE EZZ8452I
- PK93692 CLARIFY WARNING MESSAGE TEXT IN PAGENT FOR NO LOCAL DYNAMIC VPN POLICY BEING FOUND
- PK99088 TCPIP LOCK CONTENTION CAUSES ECSA, SQA GROWTH AND IP TRAFFIC TO STOP.
- PM00354 AT/TLS BEING ENABLED FOR ADDRESSES NOT LISTED IN THE POLICIES
- PM10746 NETSTAT DISPLAY ERRONEOUSLY SHOWS VLANPRIORITY IS ENABLED (FIN)
- PM12902 ADDITIONAL CHECK ADDED TO PAGENT FOR RFC4301 COMPLIANCY
- PM20701 POLICY AGENT LOCK CONTENTION COULD LEAD TO STORAGE GROWTH OR ABEND
- PM38366 PRELINKER ERRORS WHEN INCLUDING PAPI.X SIDE DECK FILE IN V1R10 (FIN)
- PM38751 PAGENT FILE REGISTRATION VIA __W_PIOCTL PASSING _IOCC_REGFILEINT FAILURES ARE NOT EXTERNALIZED
- PM40106 TLS HANDSHAKE FAILURE WHEN SPECIFYING SUBNETS IN TTLS POLICY
- PM50430 ABEND0C4 IN PAGENT
- PM52545 IKE DAEMON HANGS AT TERMINATION
- PM61809 PAGENT DOES NOT GET NOTIFIED WHEN TCP/IP IS STARTED IF THE /TMP DIRECTORY IS IN A ZFS MOUNTED AS RWSHARE
- PM69491 PAGENT MESSAGES CONTAIN INCORRECT TEXT INSERTS
- PM79308 PAGENT HUNG DURING INITIALIZATION WHEN SPECIFYING SERVICESCONNECTION STATEMENT WITHIN CINET ENVIRONMENT
- PM85659 EDC5121I INVALID ARGUMENT ISSUED WHEN POLICY AGENT TERMINATED WITH STOP COMMAND
- PI11031 PAGENT DOES NOT ISSUE A CONSOLE MESSAGE WHEN DUPLICATE POLICY CLIENTS CONNECT TO A POLICY SERVER (FIN)
- PI16887 PAGENT unable to register using ioctl _IOCC_REGFILEINT (V1R12, V1R13)
- PI17095 PAGENT unable to register using ioctl _IOCC_REGFILEINT (V2R1)
- PI18234 PAGENT PBR ABEND4C5 REASON 78140402 TCPUNEXPECTEDERR EZBIPPBR PBR_RT@ NOT NULL (V1R13)
- PI24969 ABEND 0C4 IN PAGENT AT PAGENT TERMINATION (V2R1)
- PI25559 LOGS FILLING UP WITH MESSAGE EZZ8771I PAGENT CONFIG POLICY PROCESSING COMPLETE FOR TCPIP : ROUTING (V2R1)
- PI35577 PAGENT ABEND0C4 (V2R1)
- PI41659 INCORRECT PORTRANGE STATEMENT IN SAMPLE AT-TLS POLICY (V2R2)
- PI49781 USE OF THE # DELIMITER FOR ATTLS USERID, JOBNAME AND KEYRING (V2R1, V2R2)
- PI74306 SYSERR :008: ....PLFM_CONFIG_MEDIUM_OPEN: CANNOT OPEN '', ERRNO EDC5129I NO SUCH FILE OR DIRECTORY. (V2R1, V2R2)
Simple Network Management Protocol (SNMP)
- Configuration
- Webcast replay: z/OS SNMP Basics--Principles of Configuring the SNMP Environment and Simple Diagnostic Procedures
- "SNMP manager API" in z/OS Communications Server IP Programmer's Guide and Reference
- Chapter 25 "Simple Network Management Protocol" in IP Configuration Guide
- "SNMP MIB modules" in z/OS Summary of Message and Interface Changes
- Diagnosis
- APARs:
- PK87457 SNMP MANAGER API HAS VARIOUS PROBLEMS
- PK87802 IOBSNMP REGISTERS ITS MIB WITH THE SNMP AGENT USING TOO LOW OF A TIMEOUT VALUE, CAUSING TIMEOUTS BETWEEN THE SUBAGENT AND AGENT.
- PK90645 TCPIP SUBAGENT ABENDU4039 DUE TO HEAP CORRUPTION WHILE DOING IOCTL SIOCGDVIPACONF WITH LARGE AMOUNT OF DVIPAS CONFIGURED
- PK92412 ENHANCE SNMP MANAGER API TO SUPPORT SPECIFYING THE ENGINEID
- PK99193 SNMP TRAPS ASSOCIATED WITH A USM USER TARGET CONTAIN AN INCORRECT MESSAGE DIGEST
- PM11391 SNMP COMMAND CANNOT FORMAT TRAPS THAT ARE MISSING THE SNMPTRAPENTERPRISE VARBIND (V1R11)
- PM13430 SNMP COMMAND CANNOT FORMAT TRAPS THAT ARE MISSING THE SNMPTRAPENTERPRISE VARBIND (V1R12)
- PM14099 OSNMPD STORAGE LEAK WHEN USING VACM_VIEW (V1R11, V1R12)
- PM33959 ABEND S0C9 IN EZBIESTM +1E8 AFTER STATC COMMAND (FIN)
- PM39695 HIGH CPU IN SNMPQE ADDRESS SPACE (V1R11, V1R12, V1R13)
- PM43831 UPDATE OSNMPD JCL (FIN)
- PM44116 CANNOT RETRIEVE IBMTCPIPMVSTCPLISTENERTABLE MIB DATA (V1R12, V1R13)
- PM44187 U4087 ABEND FOR CONDITION CEE3209S IN SNMP SUBAGENT (FIN)
- PM57052 U4087 ABEND FOR CONDITION CEE3209S IN SNMP SUBAGENT - FINREVERSAL OF PM44187 (V1R11, V1R12, V1R13)
- PM71103 SNMP MIB IBMTCPIPMVSPKTTRACETABLE: NO SUCH OBJECT (FOR EXAMPLE, NETVIEW GETS UNKNOWN OBJECT IDENTIFIER (SUB-ID NOT FOUND)...) (FIN)
- PM80076 CURRENTCONNECTIONS IN NETSTAT ALL FOR FRCA LISTENER INCORRECT (V1R13)
- PM92017 SNMP Agent terminates after EWOULDBLOCK on a TCP accept for a subagent (V1R12, V1R13)
- PM94392 SNMP Agent terminates after EWOULDBLOCK on a TCP accept for a subagent (V2R1)
- PM96901 NEW FUNCTION (V2R1)
- PI06391 IOBSNMP SUBAGENT NOT PROPERLY RESPONDING TO REQUESTS (V1R13)
- PI09283 IOBSNMP SUBAGENT NOT PROPERLY RESPONDING TO REQUESTS (V2R1)
- PI27344 SNMPQE FAILS WITH "EZA6289W CAN'T MAKE RAW ICMP SOCKET - CAN'T DO PING" EVEN WITH OMVS SEGMENT AND BPX.SUPERUSER FOR SNMPQE (FIN)
- PI34447 ABEND U4083 RC 4 IN THE SNMP AGENT (V2R1)
- PI51640 NEW FUNCTION (TRACKING NUMBER R007, R008, R009) (V2R1, V2R2)
- PI57762 STORAGE LEAKS WHEN USING THE SNMP API TO COLLECT MIB DATA (V1R13)
- PI59467 STORAGE LEAKS WHEN USING THE SNMP API TO COLLECT MIB DATA (V2R1, V2R2)
- PI59528 EZZ3210I SNMP subagent: interface index 0 not found in SNMP EZZ3210I SNMP subagent: interface index -797857892 not found in. (V2R2)
- PI66903 SOME MIB VALUES RETURNED BY SNMPGETVALUE ARE INCORRECT (FIN - V2R1, V2R2)
- PI71464 SNMP PRIVATE STORAGE GROWTH SUBPOOL 2, KEY LE HANC SNMP PMNS (V2R2)
- PI91076 ABENDS878 DUE TO MANY ORPHANED SNMP_USM_USERENTRY STRUCTURES (V2R2, V2R3)
- See "Problem determination for the SNMP facilities" in IBM z/OS V1R13 Communications Server TCP/IP Implementation: Volume 2 Standard Applications
- Technote (troubleshooting): EZZ3208I message issued with "EDC5132I Not enough memory" when attempting to query the TCPIP subagent via OSNMPD
- Technote (troubleshooting): SNMP manager encounters problems when querying 64-bit counter MIB objects
- Technote (troubleshooting): IOB002I message written by the IOBSNMP subagent
- Diagnosing SNMP problems
- SNMP traces
- II13477 OS/390 Z/OS SNMP COMMON PROBLEMS, CONFIGURATION ISSUES, REQUIRED DOCUMENTATION, AND REQUIRED MAINTENANCE. APAR 1 OF 2.
- II13478 OS/390 Z/OS SNMP COMMON PROBLEMS, CONFIGURATION ISSUES, REQUIRED DOCUMENTATION AND REQUIRED MAINTENANCE. APAR 2 OF 2.
- Webcast replay: z/OS SNMP Basics--Principles of Configuring the SNMP Environment and Simple Diagnostic Procedures
Sysplex Connectivity
- Configuration
- Diagnosis
- Steps for diagnosing sysplex problems
- Summary of problems monitored and actions taken
- CSTCP_SYSPLEXMON_RECOV_tcpipstackname in IBM Health Checker for z/OS: User's Guide
Sysplex Distributor
- Configuration
- See section 1.8.3 Sysplex Distributor in the IP Configuration Guide
- z/OS Communications Server V1R11: Sysplex Distributor Enhancements
- Networking on z/OS: Sysplex Distributor
- See Chapter 7 ("Intra-Sysplex workload balancing") in the IBM Redbooks publication z/OS V1R13 Communications Server TCP/IP Implementation Volume 3: High Availability, Scalability, and Performance
- TCP/IP in a Sysplex (an IBM Redbooks publication)
- Best Practices for IP Workload Distribution in an IBM zSeries Server Environment
- Diagnosis
- APARs
- PK87062: CONNECTIONS TIMEOUT TO SYSPLEX DISTRIBUTOR WHEN USING VIPAROUTE
- PK91793: POTENTIAL FOR LOST PACKETS WITH VIPAROUTE ENABLED
- PM05566: UNNECESSARY CHANGES IN ROUTE SELECTION FOR VIPAROUT
- PM13642 ABEND0C4 IN MODULE ISTRACCI
- PM13681 4C5 ABEND CAN OCCUR ON LOCAL CONNECTION TO DISTRIBUTED DVIPA
- PM13757 ABEND 0C4 IN EZBXFDV2 WHEN USING GRE AND NO IPV6
- PM15470 VIPADEFINE NOT REJECTED WHEN A DVIPA CREATED VIA VIPARANGE IS IN MOVING STATE ON ANOTHER TCPIP STACK
- PM15527 OVERLAPPING VIPARANGE AND VIPABACKUP DEFINITIONS MAY CAUSE VIPABACKUP DEFINITIONS TO FAIL WHEN TCPIP REJOINS SYSPLEX.
- PM18450: TSR VALUE DROPS AND DOES NOT RECOVER WHEN USING DISTRIBUTION METHOD WEIGHTEDACTIVE AND LOW CONNECTION ARRIVAL RATES
- PM19450 SYSPLEXMONITOR RECOVERY NOT POSTING APPLICATIONS BOUND TO IOCTL CREATED DVIPAS WHEN LEAVING THE SYSPLEX
- PM20572: ABEND378 RC14 IN EZBITSCU
- PM21032 SYSPLEX DISTRIBUTOR USING OPTLOCAL INCORRECTLY DISTRIBUTING CONNECTIONS ON ROUTING/DESTINATION STACK
- PM23605 DVIPA DISTRIBUTION INCORRECT AFTER SWITCHING FROM HOTSTANDBY TO WEIGHTEDACTIVE
- PM24431 SESSIONS UNABLE TO CONNECT TO DISTRIBUTED DVIPA WHEN USING A VIPAROUTE WITH THE DISTRIBUTOR AS A TARGET
- PM24571 DVIPA CREATE/DELETE HELD MUCB LOCK RESULTING IN LOCK CONTENTION AND UNEXPECTED MULTIPLE ABENDS IN TCPIP AND VARIOUS APPLICATIONS
- PM26244 PROVIDED NMI FLAG FOR ACTIVE TARGET WHEN USING DISTMETHOD HOTSTANDBY
- PM29217 MULTIPLE VIPARANGE STATEMENTS WITH OVERLAPPING SUBNETS MIGHT CONTRIBUTE TO INCORRECT VIPARANGE STATEMENT SELECTIONS
- PM30036 PACKET TRACE IS MISSING INBOUND PACKETS INCLUDED IN GRE
- PM30684 INCORRECT DESTINATION ADDRESS USED BY QDIOACCELERATOR
- PM32646 ABEND S00C4 ESTABLISHING CONNECTION TO AN IPV6 DVIPA
- PM33041 DVIPA ACTIVATE FAILS WITH MESSAGE EZZ8313I
- PM33491 ABEND0C9 IN EZBXFWLM
- PM37396 QDIO ACCELERATOR CONTINUES PROCESSING AFTER STORAGE SHORTAGE IS DETECTED
- PM42050 FAILED ABILITY TO JOIN THE SYSPLEX AFTER MESSAGES EZD1973E / EZZ9676E AND V TCPIP,,SYSPLEX,JOIN
- PM52302 NETSTAT VDPT DETAIL REPORTS SHOW INCORRECT ACTCONN VALUES
- PM54470 EZBTCUTL(UK68954 11.171)+00DF46 S4C5/74592A00 WHEN VIPADISTRIBUTE CONFIGURED WITH DYNAMIC PORTS
- PM57513 ABEND4C5 RC742E0402 IN MODULE EZBIPRHD
- PM59293 GROWTH IN SP241 KEY6 STORAGE
- PM62527 BIND CREATED DVIPA DELETED FROM MOVING STATE UNEXPECTEDLY
- PM63379 WITH SYSPLEXPORTS, BIND TO DRVIPA AND NON-ZERO LISTENING PORT ON A NON-DRVIPA OWNING STACK WILL NOT ACCEPT CONNECTION REQUESTS
- PM66615 ABEND4C5 76AB2706 EZBXFTMR EZZ9670E NONRECOVERABLE ERROR NO SYSPLEX AUTOREJOIN
- PM67750 ABEND4C5 742D0402 EZBIPOUT AFTER VIPAROUTE DELETE
- PM68957 TIMEOUT OR DELAY ACCESSING APPLICATION LISTENING ON DVIPA DEFINED WITH SYSPLEXPORTS
- PM70274 DVIPA FAILS TO RETURN TO THE STACK WHERE IT IS DEFINED (FIN)
- PM71727 DVIPA DEFINED IN THE VIPARANGE STATEMENT NOT CREATED WHEN THE BIND IS ISSUED.
- PM73523 ABEND878 ECSA SP241 SHORTAGE GROWTH DUCB VRT LOCK HELD
- PM74276 OPTLOCAL CONNECTIONS NOT STAYING LOCAL ON DISTRIBUTOR STACK.
- PM74678 ABEND4C5 REASON CODE 74BE2508 WITH LSQA SUBPOOL 205 EXHAUSTED
- PM75676 DVIPA CREATE FAILS FOR VIPARANGE STATEMENT IN TCPIP PROFILE WHEN NODYNAMICXCF IS CONFIGURED.
- PM76397 DISTRIBUTED PASSIVE CONNECTIONS FAIL CONNECTION ESTABLISHMENT
- PM78535 ABEND EZBXFUT3(UK76159 12.044)+00C542 S0C4 USING SYSPLEXPORTS DVIPA
- PM78817 TCSR FOR DISTRIBUTED DVIPA GOES TO 0 ON MULTIPLE STACKS - FIN REVERSAL OF PK82270
- PM82019 TCP/IP BIND FAILED FOR PORT XXXX WITH CODE=1116 AND REASON CODE=744C7230
- PM85735 S0C4 ABEND IN EZBPTFND AFTER A SYSTEM LEAVES THE SYSPLEX
- PM87042 S4C5/77BD0402 ABEND IN EZBSFMS6 ON A SYSPLEX DISTRIBUTOR (V1R13)
- PM88785 S4C5/77BD0402 ABEND IN EZBXFMS6 ON A SYSPLEX DISTRIBUTOR (V2R1)
- PM94359 OBSOLETE VCRT ENTRIES CREATED DURING DVIPA MOVEMENT (V1R13)
- PM96751 OBSOLETE VCRT ENTRIES CREATED DURING DVIPA MOVEMENT (V2R1)
- PI05549 IWQ TRAFFIC IS SENT TO AN INCORRECT STACK WHEN THE OSA IS SHARED (V1R13)
- PI06006 RECEIVING UNEXPECTED EZD1296I EXPLICITBINDPORTRANGE EXHAUSTED ERROR MESSAGE (V1R13)
- PI07430: RECEIVING UNEXPECTED EZD1296I EXPLICITBINDPORTRANGE EXHAUSTED ERROR MESSAGE (V2R1)
- PI07587 IWQ TRAFFIC IS SENT TO AN INCORRECT STACK WHEN THE OSA IS SHARED n(V2R1)
- PI08005 WHEN USING VIPADISTRIBUTE WITH DYNAMIC PORTS ALL LISTENERS MAY NOT BE REGISTERED WHEN DVIPA IS TAKEN BACK FROM A VIPABACKUP (V1R13)
- PI08513 WHEN USING VIPADISTRIBUTE WITH DYNAMIC PORTS ALL LISTENERS MAY NOT BE REGISTERED WHEN DVIPA IS TAKEN BACK FROM A VIPABACKUP (V2R1)
- PI10082: EZD1298I IS INCORRECTLY ISSUED ON DISTRIBUTED TARGET STACKS THAT NEVER OWNED THE DVIPA (FIN)
- PI12404: EZD1298I IS INCORRECTLY ISSUED ON DISTRIBUTED TARGET STACK THAT NEVER OWNED THE DVIPA - FINREVERSAL of PI10082
- PI16269 ABENDS0878 ECSA SP241 STORAGE GROWTH WITH XFVRT LOCK HELD (V1R13)
- PI20698 ABEND 4C5 EZBXFTMR (V1R13)
- PI22806 ABEND 4C5 EZBXFTMR (V2R1)
- PI25231 POTENTIAL CONNECTIVITY PROBLEMS FOR DISTRIBUTED DVIPAS AFTER SD TAKEBACK (V1R12, V1R13)
- PI26191 POTENTIAL CONNECTIVITY PROBLEMS FOR DISTRIBUTED DVIPAS AFTER SD TAKEBACK (V2R1)
- PI27772 DELAYS ALLOCATING A PORT FOR A DVIPA USING SYSPLEXPORTS (V2R1)
- PI29091 DURING A REBUILD OF EZBEPORT STRUCTURE A DVIPA ADDRESS IS NOT ASSOCIATED TO THE TCPIP STACK. (V2R1)
- PI31662 ABEND0C4 PIC4 EZB6POUT DUE TO INVALID ZERO REG3 RTERTP POINTER (V2R1)
- PI38376 TCP CONNECTS TO A DRVIPA FROM A TARGET SYSTEM (VIPABACKUP) CAN BE USING MSS 536 (MTU 576) UNEXPECTEDLY FOR POOR PERFORMANCE (V2R1)
- PI39519 FRAGMENTATION AVOIDANCE (V2R1)
- PI40291 ENHANCE IPSEC SUPPORT FOR CLIENTS USING DRVIPA TO INITIATE CONNECTIONS FROM LOCAL SYSPLEX DISTRIBUTOR TO TARGET SERVER (V2R1)
- PI44865 ENHANCE IPSEC SUPPORT FOR CLIENTS USING DRVIPA TO INITIATE CONNECTIONS FROM LOCAL SYSPLEX DISTRIBUTOR TO TARGET SERVER (V2R2)
- PI44955 DVIPA FAILS TO RETURN TO THE STACK WHERE IT IS DEFINED (V2R1, V2R2)
- PI44962 TCP CONNECTS TO A DRVIPA FROM A TARGET SYSTEM (VIPABACKUP) CAN BE USING MSS 536 (MTU 576) UNEXPECTEDLY FOR POOR PERFORMANCE (V2R2)
- PI45849 ABEND0C4 ABEND4C5 742D1102 IN MODULE EZBIPOUT IPSec decapsulation failures due to undetected dead peer (V2R1)
- PI59617 POTENTIAL FOR ELEVATED 4K ECSA CSM USAGE (V2R1, V2R2)
- PI65193 THE MSS FOR SESSIONS OVER IPSEC TUNNELS AMD ADJUSTDVIPAMSS ENABLED MAY BE TOO LARGE (V2R1)
- PI66075 SYSPLEX DISTRIBUTOR MAINTAINS CRHTE ENTRIES AFTER CONNECTIONS TERMINATE. 16/07/22 PTF PECHANGE (V2R1, V2R2)
- PI66357 SYSPLEX DISTRIBUTOR MAINTAINS CRHTE ENTRIES AFTER CONNECTIONS TERMINATE. 16/07/22 PTF PECHANGE (V1R13)
- PI69975 FORMER SYSPLEX DISTRIBUTOR DISCARDS PACKETS IMMEDIATELY AFTER V TCPIP,,SYSPLEX,DEACTIVATE,DVIPA=X.X.X.X COMPLETES (V2R1)
- PI72631 LOCK CONTENTION WHEN CSM STORAGE GOES CONSTRAINED (V2R1, V2R2)
- PI74908 HIGH CPU UTILIZATION IN THE TCP/IP ADDRESS SPACE ACTING AS SYSPLEX DISTRIBUTOR (V2R2)
- PI82880 TEXT FOR MESSAGE EZZ9651I IS INCOMPLETE (V2R2)
- Overview of diagnosing sysplex distributor problems
- See Technote (troubleshooting): Policy Agent Configuration with Sysplex Distributor
- See Technote (troubleshooting): DVIPA target system not receiving connections
Sysplex-wide Security Associations (SWSA)
- Configuration
- "Sysplex-Wide Security Associations" in the IP Configuration Guide.
- "Sysplex-Wide Security Associations and IP Security" in the IP Configuration Guide
- See topic 4.4 Sysplex-Wide Security Associations, in the IBM Redbooks publication z/OS V1R13 Communications Server TCP/IP Implementation: Volume 3 High Availability, Scalability, and Performance
- Diagnosis
- "Diagnosing SYSPLEX-wide security association (SWSA) problems" in the IP Diagnosis Guide.
- APAR PM29788 NAT TRAFFIC NOT DISTRIBUTED IN A SWSA ENVIRONMENT (V1R12)
- APAR PI44238 EZD0953I FILTER INSTALLATION FAILED DUE TO CONFLICT WITH EXISTING FILTER IN SWSA ENVIRONMENT (V1R13)
- APAR PI67701 EZD0834I ENCAPSULATION FAILED RSN=9 IN SWSA IPSEC ENVIRONMENT (V2R1, V2R2)
- APAR PI85929 ENCAPSULATION AND OTHER IPSEC RELATED ERRORS WHEN SWSA IS ENABLED. (V2R2, V2R3)
IP Storage Growth and Abends
- Common and Private Storage configuration:
- See Understanding z/OS Communications Server storage use
- ECSALIMIT parameter of GLOBALCONFIG statement
- POOLLIMIT parameter of GLOBALCONFIG statement
- Storage Problem Diagnosis
- For information on monitoring storage growth and collecting documentation on storage problems, see Webcast replay: Diagnosing z/OS Communications Server TCP/IP storage growth and storage abends
- See section 3.36.5 Storage messages in IP Diagnosis Guide.
- See description of message EZD1170E tcpstackname WAS NOT ABLE TO GET TCP/IP storagetype STORAGE
- See description of message EZD1187E tcpstackname WAS NOT ABLE TO GET TCP/IP storagetype STORAGE
- APAR PM71528 TCP TIMER POP WITH END_REF USES EXCESSIVE ECSA (V1R13)
- APAR PM76819 TCP TIMER POP WITH END_REF USES EXCESSIVE ECSA (V1R12)
- APAR PM83736 SEVERAL RANGES OF VALUES FOR POOLLIMIT ARE BEING REJECTED (V1R13)
- APAR PM85519 S4C5/74597243 ABEND IN EZBTCUTL (V1R13)
- APAR PM94662 TCP ECSA SP231 SKMB / SKDB STRANDED STORAGE GROWTH IUTSAMEHOST (V2R1)
- APAR PM99468 EZASMI SELECT CALLS USE MORE ECSA AFTER Z/OS 2.1 UPGRADE (V2R1)
- APAR PI05014 GROWTH OF SP231K6 ECSA STORAGE WITH STRANDED SKMB/SKDB ZBLOCKS (V1R12, V1R13)
- APAR PI05583 GROWTH OF SP231K6 ECSA STORAGE WITH STRANDED SKMB/SKDB ZBLOCKS (V2R1)
- APAR PI06478 EZBITDSA ABEND 4C5 74FF2500 ABEND0C4 EZBUDBYP SP241 TCP ECSA DUCB DUSA SHORTAGE PORT 12001 UCB LOCK (V1R12, V1R13)
- APAR PI06564 EZBITDSA ABEND 4C5 74FF2500 ABEND0C4 EZBUDBYP SP241 TCP ECSA DUCB DUSA SHORTAGE PORT 12001 UCB LOCK (V1R1)
- APAR PI06886 PGIV ELEMENTS NOT CLEANED UP WHEN BTL STORAGE IS DEPLETED (V1R12,V1R13)
- APAR PI08334 ECSA STORAGE SHORTAGE DUE TO CONTENTION ON THE IPMAIN LOCK (V1R12, V1R13)
- APAR PI08869 ECSA STORAGE SHORTAGE DUE TO CONTENTION ON THE IPMAIN LOCK (V2R1)
- APAR PI12836 SYSTEM BELOW THE LINE STORAGE ABENDS 878-10 (V1R13)
- APAR PI14530 SYSTEM BELOW THE LINE STORAGE ABENDS 878-10 (V2R1)
- APAR PI16269 ABENDS0878 ECSA SP241 STORAGE GROWTH WITH XFVRT LOCK HELD (V1R13)
- APAR PI32328 FIXED CSM DATASPACE STORAGE LEAK WHEN USING IQDIOMULTIWRITE (V2R1)
- APAR PI35004 FIXED CSM DATASPACE STORAGE LEAK WHEN USING IQDIOMULTIWRITE (V1R13)
- APAR PI38699 FIXED CSM GROWTH FOR CERTAIN TCP CONNECTIONS (V2R1)
- APAR PI55254 VTAM ECSA GROWTH TI00 IO00 BUFFERS EE IPNEE_LATCH BIT (V2R1, V2R2)
- APAR PI56809 SUBPOOL 249 KEY 6 STORAGE GROWTH CONTAINING SACK CONTROL BLOCKS (V2R1, V2R2)
- APAR PI57762 STORAGE LEAKS WHEN USING THE SNMP API TO COLLECT MIB DATA (V1R13)
- APAR PI59467 STORAGE LEAKS WHEN USING THE SNMP API TO COLLECT MIB DATA (V2R1, V2R2)
- APAR PI59617 POTENTIAL FOR ELEVATED 4K ECSA CSM USAGE (V2R1, V2R2)
- APAR PI62708 CSM 4K ECSA FRAGMENTATION DUE TO IPASSIST IMAGE BUFFERS (V2R1,V2R2)
- APAR PI62916 FIXED CSM GROWTH FOR CERTAIN TCP CONNECTIONS (V1R13)
- APAR PI67916 ABEND0C4 IN EZBTCFWR + X'AE90'OVERLAYING NEXT CSM BUFFER STORAGE (V2R1, V2R2)
- APAR PI72070 CSM FIXED STORAGE GROWTH WITH DATA ON TCP SEND QUEUE (V2R1, V2R2)
- APAR PI72631 LOCK CONTENTION WHEN CSM STORAGE GOES CONSTRAINED
IP CICS Sockets API
- Configuration
- Diagnosis
- "Diagnosing problems with IP CICS Sockets" in z/OS Communications Server: IP Diagnosis
- MustGather: Collect Troubleshooting data, Read First/Fix List for TCP/IP SOCKET API on z/OS Communications Server
- For common user problems, see Webcast replay: z/OS Communications Server IP CICS Sockets - Common User problems
- APAR PM13795 TAKESOCKET CALLS GET EBADF AFTER APPLYING UK55170 OR UK55171
- APAR PM18321 NUMEROUS S0C4 ABENDS IN EZBSOUTL (V1R10, V1R11, V1R12)
- APAR PM18689 EZACIC04 DOES NOT SET A RETURN CODE (V1R10, V1R11, V1R12)
- APAR PM35232 MESSAGE EZY1288E NOT WRITTEN TO JESMSGLG (V1R10, V1R11, V1R12)
- APAR PM35682 EXEC CICS LINK TO EZACIC20 PASSING P20TYPE=Q RESULTS IN BAD COMMAREA RETCODE (V1R10, V1R11, V1R12)
- APAR PM37961 EXEC CICS LINK TO EZACIC20 PASSING P20TYPE=Q RESULTS IN BAD COMMAREA RETCODE (V1R13)
- APAR PM38937 MESSAGE EZY1288E NOT WRITTEN TO JESMSGLG (V1R13)
- APAR PM49517 C COMPILER ERRORS USING THE CICS SOCKETS API (V1R12, V1R13)
- APAR PM54757 CICS SOCKETS: PGIV ELEMENTS NOT CLEANED UP WHEN BTL STORAGE IS DEPLETED (FIN)
- APAR PM72266 CERTIFICATE USERID VALUE NOT PASSED TO CICS SOCKETS SECURITY EXIT USING AT-TLS (V1R12, V1R13)
- APAR PM81404 RANDOM EZY1369E MESSAGES WHEN USING AT/TLS WITH CICS LISTENER (V1R12, V1R13)
- APAR PM87535 CICS SOCKETS: PGIV ELEMENTS NOT CLEANED UP WHEN BTL STORAGE IS DEPLETED (V2R1)
- APAR PM90124 ABENDS378 RC14 IN IGVVSERR, CALLED BY EZBSORM2, ON TCPIP TERMINATION (V1R13)
- APAR PM94040 ABENDS378 RC14 IN IGVVSERR, CALLED BY EZBSORM2, ON TCPIP TERMINATION (V2R1)
- APAR PI04972 THE CODE IS TREATING EAGAIN THE SAME AS EIBMNOACTIVETCP WHEN THEY ARE IN FACT NOT THE SAME. ERRNOJR (JRTCPNOTACTIVE) (V2R1)
- APAR PI23388 EZACONFG CONFIG FILE IS LEFT OPEN IN WRITE ACCESS AFTER TRANSACTION EZAC ABENDS (V1R13)
- APAR PI26396 EZACONFG CONFIG FILE IS LEFT OPEN IN WRITE ACCESS AFTER TRANSACTION EZAC ABENDS (V2R1)
- APAR PI26425 IBM LISTENER (EZACIC02) SELECTEX MASKS DO NOT INCLUDE HIGHEST SOCKET NUMBER AFTER A MAXSOCKET (ERRNO 1002) OCCURS (V1R13)
- APAR PI27524 IBM LISTENER (EZACIC02) SELECTEX MASKS DO NOT INCLUDE HIGHEST SOCKET NUMBER AFTER A MAXSOCKET (ERRNO 1002) OCCURS (V2R1)
- APAR PI52288 CICS STORAGE VIOLATION ISSUED AFTER A GETMAIN ISSUED FROM
- APAR PI52387 NO SYSTCPIP CTRACE SOCKAPI RECORDS ARE BEING COLLECTED (V2R2)
- APAR PI57216 IMPROVE CICS PERFORMANCE (V2R2)
- APAR PI64856 POTENTIAL UNPREDICTABLE RESULTS WITH SOCKAPI CTRACE OPTION (V2R2)
- APAR PI83430 ATTCBLIM WAITS PERSIST AFTER OPEN API TCB LIMIT IS REACHED (V2R2, V2R3, FIN)
- APAR PI95505 BLANK TRANSACTION ID IN CICS SOCKETS MESSAGE EZY1301E (FIN - V2R2, V2R3)
REXX Sockets API
- Configuration
- "REXX socket application programming interface" in z/OS Communications Server: IP Sockets Application Programming Interface Guide and Reference
- Diagnosis
- MustGather: Collect Troubleshooting data, Read First/Fix List for TCP/IP SOCKET API on z/OS Communications Server
- REXX Socket Calls Fail with Undefined Socket ERRNO
- APAR PM35067 UNEXPECTED ERRORS WITH GETADDRINFO SOCKET CALL IN REXX (V1R12)
- APAR PM40020 UNEXPECTED ERRORS WITH GETADDRINFO SOCKET CALL IN REXX (V1R13)
- APAR PM71565 ABEND378 RC 001C IN EZBRXSOC (RXSOCKET) (V1R12, V1R13)
- APAR PI91927 REXX SOCKET API SENDTO CALL FAILS WITH EINVAL (V2R2, V2R3)
Macro Sockets API (EZASMI)
- Configuration
- "Macro application programming interface" in z/OS Communications Server: IP Sockets Application Programming Interface Guide and Reference
- Diagnosis
- APARS
- PM06356 EZASMI GETHOSTBYXXXX RESOLVER CONTROL BLOCKS ALLOCATED BELOW THE LINE
- PM09440 ABEND 0C4 IN EZBSOMIE DURING TCPIP TERMINATION
- PM11125 A TSO TASK IS UNUBBED TOO SOON WHEN IT ISSUES A TERMAPI
- APAR PM15115 A TSO TASK IS UNDUBBED TOO SOON WHEN IT ISSUES A TERMAPI
- APAR PM15116 ABEND 0C4 IN EZBSOMIE DURING TCPIP TERMINATION
- PM25028 APPLICATION'S EZASMI ASYNC API TYPE 3 EXIT INTERMITTENTLY NOT DRIVEN
- PM39441 EZBSOH03 DYNAREA CELL POOL STORAGE ORPHANED IN SUBPOOL 0 KEY 8 AFTER SUBTASKS TERMINATE (FIN)
- PM40584 NON CICS APPLICATIONS TAKESOCKET FUNCTION CALLS FAIL WITH ERRNO EBADF (113)
- PM55975 APAR FOR GIVESOCKET/TAKESOCKET RAS IMPROVEMENTS
- PM99309 ABEND378 RC14 WHILE RUNNING TCPIP (V1R13)
- PI06083 ABEND378 RC14 WHILE RUNNING TCPIP (V2R1)
- PI79890: ABENDC78 BECAUSE EZBSOMIE INVALIDLY TRIES TO FREE AN AIOCB (V2R2, V2R3)
- PI95183 ABENDS0C4 IN EZBSOMIE WHEN TCPIP IS BEING STOPPED (FIN - V2R1, V2R2, V2R3)
- TCPIPCS API subcommand
- MustGather: Collect Troubleshooting data, Read First/Fix List for TCP/IP SOCKET API on z/OS Communications Server
- "Diagnosing problems in applications using the macro API" in z/OS Communications Server: IP Sockets Application Programming Interface and Reference.
Pascal Sockets API
- Configuration
- "Pascal Application Programming Interface" in IP Sockets Application Programming Interface Guide and Reference
- Diagnosis
- MustGather: Collect Troubleshooting data, Read First/Fix List for TCP/IP SOCKET API on z/OS Communications Server
- "Pascal return codes" in IP Sockets Application Programming Interface Guide and Reference
- TCPIPCS API subcommand
- Technote U0002 Abend Using TCPIP Applications
C Sockets API
- Configuration
- See C Program Abends in z/OS Communications Server: IP Sockets Application Programming Interface Guide and Reference.
- APAR PM49517 C COMPILER ERRORS USING THE CICS SOCKETS API
- APAR PM56698 ABEND U4039 WHEN RUNNING SNMPQE
Back to Top 
X/Open Transport Interface (XTI) IPv4 Socket API
- Configuration
- See X/Open Transport Interface in z/OS Communications Server: IP Sockets Application Programming Interface Guide and Reference.
Back to Top 
Network Management APIs
- Configuration
- "Network Management Interfaces" in z/OS Communications Server IP Programmer's Guide and Reference
- See II13699: INFORMATION APAR FOR Z/OS COMMUNICATION SERVICE NETWORK MANAGEMENT API
- Diagnosis
- "IPSec NMI return and reason codes" in z/OS Communications Server IP Programmer's Guide and Reference
- "Network security services NMI return and reason codes" in z/OS Communications Server IP Programmer's Guide and Reference
- "Network management diagnosis" in z/OS Communications Server IP Programmer's Guide and Reference
- PI88782 NMI GETRECORDS REQUEST BUFFER CONTAINS NON-CTE DATA (V2R1, V2R2, V2R3)
X Window System API
- Configuration
- See X Window System interface in the z/OS Communications Server Environment in z/OS Communications Server IP Programmer's Guide and Reference
- See Chapter 3 X-Window System in Communications Server for z/OS V1R2 TCP/IP Implementation Guide Volume 2: UNIX Applications.
- Diagnosis
- See Diagnosing X Window System and Motif problems in z/OS Communications Server IP Diagnosis Guide.
- See technote (troubleshooting) FSUM3008 message when compiling samples for X11 and Motif
- APAR PM19001: EZYXW12W (BADVALUE) MESSAGE WHEN COLOR SPECIFIED AS RGB VALUE
- APAR PM60497: S0C1 ABENDS USING THE X11R6 DLLS
- PI90360 MALFORMED TSO HELP MEMBERS IN SYS1.HELP (V2R1, V2R2, FIN)
Back to Top 
Netstat
- Configuration
- "Netstat operator commands (DISPLAY TCPIP,,NETSTAT)" in z/OS Summary of Message and Interface Changes.
| |
- Diagnosis
- PI34482 CURRENT STALLED CONNECTION COUNTER APPEARS TO BE A CUMULATIVE COUNT.
- PM92259 NETSTAT CONN COMMAND ISSUES SYNTAX ERROR WHEN USING CLIENT FILTER WITH VALUE 'SMC' (V2R1)
- PM89109 INCORRECT COUNT VALUE IN SEVERAL NETSTAT REPORTS (FIN)
- PI34482 CURRENT STALLED CONNECTION COUNTER APPEARS TO BE A CUMULATIVE COUNT. (V2R1)
- PI54668 ABEND0C4 ASAWILDB NETSTAT COMMAND IPADDR WILDCARD FILTER (V2R2)
- PI69399 NETSTAT COMMAND HANGS AND VARIOUS ABENDS
- PI75712 NETSTAT VDPT DETAIL / NETSTAT -O DETAIL OUPUT SHOWS CER VALUE 0 OR OTHERWISE LOWER THAN EXPECTED.
Back to Top 
Ping
- Diagnosis
Back to Top 
IP Resolver
- Configuring the IP resolver
- Diagnosing IP resolver problems:
- For common user problems, see II13452: MUSTGATHER: READ FIRST FOR IP RESOLVER FOR Z/OS COMMUNICATIONS SERVER
- Technote (Troubleshooting): Diagnosing resolver problems
- APAR PM14248 ABEND0C4 IN EZBREGAI WHEN DOING A GETADDRINFO FOR AN IPV6 ADDRESS
- APAR PM33741 ABEND0C4 IN EZBREREM
- APAR PM36012 RESOLVER DOES NOT QUERY ADDITIONAL NAME SERVERS
- APAR PM37295 ABEND0C4 IN EZBREREM
- APAR PM39978 RESOLVER DOES NOT QUERY ADDITIONAL NAME SERVERS
- APAR PM46927 NEW RESOLVER RES_INIT PROCESSING FOR CICS TS
- APAR PM51183 DNS CHANGE FOR TTL OF ALIAS-NAME NOT REFLECTED IN SYSTEM RESOLVER CACHE
- APAR PM53401 EZZ9295I INCORRECT STATEMENT SYNTAX IS ISSUED FOR THE RESOLVER SETUP FILE
- APAR PM53598 CSV001I REQUESTS FOR MODULE ASASYMBM EXCEED MAXIMUM LOAD COUNT
- APAR PM55968 ABEND0C4 PIC11 EZBREREM AT TEMS TERMINATION RESOLVER IKJ56231I
- APAR PM58834 RESOLVER INCORRECTLY CACHES DNS NXDOMAIN REPLY WITH T_CNAME TYPE
- APAR PM69315 GETADDRINFO FAILS TO RESOLVE NAME FROM SITEINFO FILE WHEN USING MODE=ASCII
- APAR PM72945 MODIFY COMMANDS BEING GENERATED BY RESOLVER PROCESSING
- APAR PM77862 GETADDRINFO LOOPS CALLING BPX1RED
- APAR PM80906 S378-14 ABEND IN EZBREREM DURING TASK TERMINATION
- APAR PI07707 ASCII MODE GETADDRINFO CALL FAILS IF ONLY VALID HEX CHARACTERS ARE IN HOTNAME (V1R13)
- APAR PI09477 ASCII MODE GETADDRINFO CALL FAILS IF ONLY VALID HEX CHARACTERS ARE IN HOSTNAME (V2R1)
- APAR PI18046 GETSERVBYNAME FAILS WITH RETVAL = -1, RC = 12, REASON =0X78AD1004 IN ASCII MODE (V2R1)
- APAR PI47752 ABEND0C4-11 IN EZBRERIN+9980 (V2R1, V2R2)
- APAR PI48392 ABEND0C4-11 IN EZBRERIN+9980 (V1R13)
- APAR PI89694 IPCS RESOLVER INFORMATION FORMATTER IS NOT RETURNING THE CORRECT DATA (V2R2, V2R3) .
LCS, QDIO and OSA Express for z/OS Communications Server
- Configuration
- Problem diagnosis
- MustGather: Collect Troubleshooting Data / Read First for LCS, QDIO and OSA EXPRESS Problem Analysis on z/OS Communications Server
- Technote 1232599 : z/OS Communications Server and OSA Interoperability Maintenance
- MustGather: Collect Troubleshooting Data for QDIO for z/OS Communications Server
- Technote (troubleshooting): OSA-Express device driver inoperative conditions reflected by ISTLLCWC InOpCode 100, ISTLLCWI InOpCode 100, and ISTLLCHI InOpCode 100
- See "8.6 OSA-Express Network Traffic Analyzer" in IBM z/OS V1R13 Communications Server TCP/IP Implementation: Volume 1 Base Functions, Connectivity, and Routing
- Attempt to Enable OSAENTA Trace Rejected
- Technote (troubleshooting): EZZ4308I received with 8010002A status code on OSA activation
- Technote (troubleshooting): EZZ4326I ERROR E080 STARTING LAN ADAPTER FOR DEVICE device_name
- Technote (troubleshooting): OSA-2 and OSA-EXPRESS cards must be defined correctly in the IOCP for TCP/IP to use such devices
- Technote (troubleshooting): 80103352 during OSA activation
- Technote (troubleshooting): D NET,TRL,TRLE=xxxx might display incorrect OSA microcode information
- Technote (troubleshooting): Attempts to Use OSA/SF GUI Fail with Hangs and Timeouts
- APARs
- PM55229 IPV6 OSX DEVICE STAYS IN NEGOTIATING STATE FOLLOWING RECOVERY FOR STOP LAN FROM OSA (V1R13)
- PM87096 ARP TAKEOVER / TAKEBACK DOES NOT COMPLETE CORRECTLY IF STP (SPANNING TREE PROTOCOL) IS ENABLED IN SWITCH
- PM95080 POTENTIAL FOR E054 REJECT CODE WITH AUTOMATIC OSA RESTART (V1R13)
- PM97638 POTENTIAL FOR E054 REJECT CODE WITH AUTOMATIC OSA RESTART (V2R1)
- PM99138 OSX OSA IQDX ADD REMOVE CPC MEMBER ENSEMBLE FAILURE (V2R1)
- PI08420 D OSAINFO SHOWS GEN: OSA-E?? FOR OSA EXPRESS5S (V1R13)
- PI16098 CONGESTION WINDOW SET TO 1 PACKET DURING SLOW START WHEN PACKET TRACE RUNNING ON A SHARED OSA WITH SEGMENTATION OFFLOAD ENABLED (FIN)
- PI20493 WHEN USING QDIOACCELERATOR, INBOUND PACKETS DIRECTED FROM ONE VLAN TO ANOTHER VIA OSA-EXPRESS QDIO INTERFACES GET DROPPED (V2R1)
- PI28592 ABBREVIATED OSAENTA SNIFFER TRACE OUTPUT IS NOT PROVIDING
- PI29972 WHEN USING QDIOACCELERATOR, INBOUND PACKETS DIRECTED FROM ONE VLAN TO ANOTHER VIA OSA-EXPRESS QDIO INTERFACES GET DROPPED (V1R13)
- PI45985 DISPLAY OSAINFO OUTPUT IS PADDING THE PORTNAME FIELD WITH BINARY ZEROS (V2R1, V2R2)
- PI47856 BLOCKING FACTOR ALGORITHM FOR OSA-EXPRESS QDIO INTERFACES IS NOT OPTIMIZING LATENCY AS INTENDED (V2R1, V2R2)
- PI48323 IST1578I DEVICE INOP DETECTED FOR OSA_DEVICE BY ISTLLCWI CODE = 105 (V2R1, V2R2)
- PI59754 REMOVING AND ADDING A STATIC VIPA FROM ONE LPAR TO ANOTHER (V2R1, V2R2)
- PI62708 CSM 4K ECSA FRAGMENTATION DUE TO IPASSIST IMAGE BUFFERS (V2R1, V2R2)
- PI62977 BLOCKING FACTOR ALGORITHM FOR OSA-EXPRESS QDIO INTERFACES IS NOT OPTIMIZING LATENCY AS INTENDED (V1R13)
- PI91445 USING OBEY FILE PROCESSING TO DISABLE AND ENABLE QDIOACCELERATOR WILL CAUSE IT TO STOP WORKING. (V2R2, V2R3)
- PI93670: OUT OF ORDER PACKETS WITH LARGE SENDS OR SEGMENTATION OFFLOAD.(V2R1, V2R2, V2R3)
- PI97665: TCPIP LOOPING IN EZBIFDOB WHEN PROCESSING osainfo display (V2R1, V2R2, V2R3)
- PI97728 TCPIP QDIO DEVICE INTERFACE IS INCORRECTLY REGISTERING AN IWQ QUEUE FOR OSA EXPRESS6 (OSA-E6S) CAUSING DEVICE INOP (V2R1, V2R2, V2R3)
HiperSockets (iQDIO)
- Configuration
- HiperSockets concepts and connectivity
- II13142: HiperSockets (iQDIO) General Information
- See Chapter 3 "z/OS support" in IBM Redbooks publication HiperSockets Implementation Guide.
- HiperSockets Multiple Write
- Diagnosis
- MustGather: Collect Troubleshooting Data for QDIO for z/OS Communications Server
- DLC status code 80100066 in message EZZ4308I when activating HiperSockets
- Poor TCP/IP Performance Over HiperSockets
- HiperSockets / iQDIO Communication
- Dynamic XCF devices not created between TCP/IP systems
- EZZ4308I CODE 80103016 for iQDIO HiperSockets device
- Device fails to start with EZZ4308I ERROR: CODE=8010002A
- PM19021 HIGH CSM 32K ECSA BUFFER USAGE CAUSING STORAGE SHORTAGE WHEN USING HIPERSOCKETS (V1R11, V1R12)
- PM33769 ABEND0C4 IN ISTLLCWI (FIN)
- PM37396 QDIO ACCELERATOR CONTINUES PROCESSING AFTER STORAGE SHORTAGE IS DETECTED (V1R11, V1R12 V1R13)
- PM53324 IQDIO HIPERSOCKETS ABEND071 IUTLLCIZ SPAC SPIN LOOP (V1R11, V1R12, V1R13)
- PM59621 IPBCAST SPECIFIED ON HIPERSOCKETS LINK STATEMENT CAUSES EZZ4349I MESSAGE (V1R12, V1R13)
- PM70368 SDAR CONTROL BLOCKS BEING ALLOCATED IN ECSA (V1R11, V1R12, V1R13)
- PM82001 S4C5/76F30402 ABEND IN EZB6POUT WITH IQDX INTERFACES DEFINED (FIN)
- PM90592 HIGH AMOUNT OF OUTBOUND DISCARDS SEEN IN NETSTAT DEV FOR HIPERSOCKET INTERFACE (V1R13)
- PM95157 HIGH AMOUNT OF OUTBOUND DISCARDS SEEN IN NETSTAT DEV FOR HIPERSOCKET INTERFACE (V2R1)
- PI32328 FIXED CSM DATASPACE STORAGE LEAK WHEN USING IQDIOMULTIWRITE (V2R1)
- OA36773 ECSA GROWTH IN 32K CSM BUFFERS WHEN USING HIPERSOCKETS DEVICES (V1R10, V1R11, V1R12, V1R13)
- OA39707 MISROUTED PACKETS WITH QDIOACCELERATOR AND IQDMULTIWRITE ENABLED (V1R11, V1R12, V1R13)
- OA40513 ABEND0C4 MODULE ISTLLCHI+X'1482' (V1R12, V1R13)
- OA40894 PERFORMANCE DEGRADATION USING ZIIP ASSISTED IQDMULTIWRITE (V1R12, V1R13)
- OA46837 FIXED CSM DATASPACE STORAGE LEAK WHEN USING IQDIOMULTIWRITE (V2R1)
- OA47107 FIXED CSM DATASPACE STORAGE LEAK WHEN USING IQDIOMULTIWRITE (V1R13)
- OA49293 DYNAMIC IO GEN CHANGE FOR HIPERSOCKETS CHIPID TO CHANGE THE UNIT ADDRESSES, THE DYNAMIC TRL (IUTIQDF0) DOES NOT TAKE EFFECT. (V2R1, V2R2)
- OA50324 IST1631I IUTIQDIO SUBCHANNEL XXXX QDIO PNET SERVICE FAILED IQDIO HIPERSOCKETS ACTIVATION FAILURE (V2R2)
- PI35004 FIXED CSM DATASPACE STORAGE LEAK WHEN USING IQDIOMULTIWRITE (V1R13)
- PI62708 CSM 4K ECSA FRAGMENTATION DUE TO IPASSIST IMAGE BUFFERS (V2R1, V2R2)
- PI78165: NEW FUNCTION (V2R2)
z/OSMF Configuration Assistant for z/OS Communications Server
- Configuration
- Demonstration of IBM Configuration Assistant for zOS V2R1 CS
- z/OSMF Configuration Assistant V2R2.0: What's New In This Release
- IBM Redbooks publication IBM z/OS Management Facility V2R1
- "Updating z/OS for the Configuration Assistant plug-in" in z/OSMF Management Facility Configuration Guide.
- z/OS V2R2 IP Configuration Guide: Chapter 18: IP security, Configuring IP security, Configuring IP security using the IBM Configuration Assistant for z/OS Communications Server
- z/OS V2R2 IP Configuration Guide, Chapter 16: Quality of Service, Options for configuring QoS: Option 1: Use the IBM Configuration Assistant for z/OS Communications Server
- z/OS V2R2 IP Configuration Guide, Chapter 17: Intrusion Detection Services, Options for Configuring IDS, Option 1: Use the IBM Configuration Assistant for z/OS Communications Server
- z/OS V2R2 IP Configuration Guide, Chapter 21: Application Transparent Transport Layer Security Data Protection, Options for Configuring AT-TLS Security, Option 1: Use the IBM Configuration Assistant for z/OS Communications Server
- z/OS V2R2 IP Configuration Guide, Chapter 6: Routing, Policy Based Routing, Options for Configuring Policy-Based Routing, Option 1: Use the IBM Configuration Assistant for z/OS Communications Server.
- z/OS V2R2 IP Configuration Guide, Chapter 15: Policy-Based Networking, Configuration Files and Policy Definition Files
- z/OS V2R2 IP Configuration Guide, Chapter 15: Policy-Based Networking, Configuration File Import Services.
- z/OS V2R2 IP Configuration Reference
- z/OS V2R2 IP Diagnosis Guide
- In IBM Redbooks publication z/OS V2R1 Communications Server TCP/IP Implementation: Volume 4 Security and Policy-Based Networking, see the following topics:
- Chapter 4. Policy Agent: 4.4 Configuration Assistant for z/OS Communications Server
- Chapter 6. Quality of Service: 6.3.1 Using the Configuration Assistant to configure QoS.
- Chapter 8. IP Security:
- 8.5.6 Description of the IPSec Scenarios
- 8.5.7 Defining the IPSec Policies to PAGENT
- 8.6.1 Using Configuration Assistant to set up the IPSec policies
- 8.6.2. Installing the Configuration Files
- 8.7.3. Modifying existing policies to use RSA Signature Mode
- Chapter 9. Network Security Services for IPSec clients: 9.2.9 Creating NSS files for an IKED client with z/OSMF Configuration Assistant
- Chapter 13. Intrusion Detection Services: 13.3.3 Configuring IDS policy using the z/OSMF Configuration Assistant
- 1. Chapter 7: Configuration Assistant
2. Appendix C: Secure FTP using Application Transparent Transport
Layer Security
- Diagnosis
- MustGather: Collect Troubleshooting Data for Read First/Fix List for the IBM Configuration Assistant for z/OS Communications Server
- APAR PI67244 MULTIPLE ATTLS TRAFFIC DESCRIPTOR DEFINITIONS MISSING IN INSTALL FILE LAST ONLY (V2R2, V2R1)
- APAR PI66187: CONFIGURATION ASSISTANT DOES NOT SAVE IKE DAEMON LOGLEVELS (V2R2, V2R1)
- APAR PI66000: Z/OSMF IZUG899E ERROR ON CONFIGURATION ASSISTANT IPSEC HEALTH CHECK (V2R2, V2R1)
- APAR PI64905: USING THE FTP INSTALLATION METHOD, CA DOES NOT INDICATE POLICIES AS "INSTALLED". ALSO, NEW FILENAME DEST. AREN'T BEING SAVED. (V2R1, V2R2)
- APAR PI63566: MIGRATION FROM 2.1 TO 2.2 ADDS TLS 1.1 TO SECURITY LEVELS UNEXPECTEDLY (V2R1, V2R2)
- APAR PI63507: ADD PRINT BUTTON TO ALL HEALTH CHECK, VIEW DETAIL, SHOW INSTALL FILE AND SWU PANELS (V2R1, V2R2)
- APAR PI62852: SSL HANDSHAKE TIMEOUT PARAMETER IS NOT UPDATED AFTER MODIFYING IT IN CA GUI PANEL (V2R1, V2R2)
- APAR PI61823: CA INCORRECTLY FLAGS PORT RANGE ENDING IN 65535 AS INVALID (V2R1, V2R2)
- APAR PI61765: IPSEC CONFIGURATION VARIABLES MAY NOT BE REFLECTED IN THE UPLOADED MEMBER (V2R1, V2R2)
- APAR PI60507: V2R1 AND V2R2 CONFIGURATION ASSISTANTS UPDATES (V2R1, V2R2)
- APAR PI60255: DUPLICATE AT-TLS RULES CREATED DURING MIGRATION ACTIONS USING OLD VERSIONS OF CONFIGURATION ASSISTANT (V2R1, V2R2)
- APAR PI58904: V2R2 CONFIGURATION ASSISTANT SUPPORT UPDATES - 6 (V2R2)
- APAR PI57881: CA DOC INCORRECTLY STATES THAT NAMES ARE PRESERVED DURING FFI (V2R1, V2R2)
- APAR PI56940: CONFIG ASSISTANT NO LONGER ACCEPTS * IN AT-TLS TRAFFIC DESCRIPTOR KEYRING NAME. (V2R1, V2R2)
- APAR PI56698: V2R2 CONFIGURATION ASSISTANT SUPPORT UPDATES - 5 (V2R2)
- APAR PI54802: V2R2 CONFIGURATION ASSISTANT SUPPORT OF V2R1 SPE4 (V2R2)
- APAR PI54798: V2R1 SPE4 CONFIGURATION ASSISTANT (V2R1)
- APAR PI54561: IN CONFIGURATION ASSISTANT WORKFLOWS WHERE PAGENT CONFIGURATION FILES ARE CREATED, ONLY PDS FILES ARE CURRENTLY ALLOWED. (V2R1 - FIN)
- APAR PI52989: AE PI51093 FIX COMPLETION (V2R1)
- APAR PI52727: UNABLE TO MODIFY TCPIP STACK RULES (V2R1, V2R2)
- APAR PI51093: UNABLE TO APPLY REQUIREMENTS MAP TO IDS POLICY (V2R2)
- APAR PI50872: ZOSMF IDS ERROR CHANGING LOGLEVEL 4 TO 7 (V2R2)
- APAR PI49785: USE OF THE # DELIMITER FOR ATTLS USERID, JOBNAME AND KEYRING IN CONFIGURATION ASSISTANT (V2R1, V2R2)
- APAR PI49550: UNABLE TO DEFINE MULTIPLE PORTS USING CONFIGURATION ASSISTANT (V2R2)
- APAR PI48832: CONFIGURATION ASSISTANT DOES NOT RESTRICT SYNTAX ERROR IN ADDRESSGROUPS. (V2R2)
- APAR PI48821: BACKING STORE FILE OF ZERO LENGTH CREATED (V2R2)
- APAR PI48543: UNABLE TO DEFINE MULTIPLE PORTS USING CONFIGURATION ASSISTANT (V1R13)
- APAR PI47688: CA REMOVE <FEATURE>JAXRS-1.1</FEATURE> FROM IZUCAGUI.XML. THIS FEATURE WILL BE ADDED IN Z/OSMF (V2R1)
- APAR PI46100: V2R2 CONFIGURATION ASSISTANT UPDATES - 4 (V2R2)
- APAR PI46017: FAILED INSTALL VIA FTP OF MIGRATED PDS DATASET RESULTS IN ERRONEOUS MESSAGE SAYING FTP WAS SUCCESSFUL (V2R1)
- APAR PI45583: ZOSMF CA ORDERING OF CIPHERS (V2R1)
- APAR PI44905: V2R2 CONFIGURATION ASSISTANT UPDATES - 3 (V2R2)
- APAR PI43329: V2R2 CONFIGURATION ASSISTANT UPDATES - 2 (V2R2)
- APAR PI41381: ZOSMF CA AT-TLS - BACKING STORE DROPS USER DEFINED REQUIREMENTS MAPS AND TRAFFIC DESCRIPTORS (V2R1)
- APAR PI41279: V2R2 CONFIGURATION ASSISTANT UPDATES (V2R2)
- APAR PI40397: IP ADDRESSES IN SET REMOTE EXCLUSION LIST ARE REMOVED AFTER MIGRATION (V2R1)
- APAR PI38120: PERFECT FORWARD SECURITY OPTION "NONE" ALWAYS ACTIVATED AUTOMATICALLY (V2R1)
- APAR PI37022: Z/OSMF CA REJECTS TRAFFIC DESCRIPTOR PORT NUMBERS GREATER THAN 999 IN SWEDISH FORMAT (V2R1)
- APAR PI36534: CONFIGURATION ASSISTANT SERVICEABILITY ENHANCEMENTS (V2R1)
- APAR PI35696: SSLV2 TLSV1 TLSV1.1 CONFIGURATION ASSISTANT POLICY AGENT DEFAULTS TTLSCONNECTIONADVANCEDPARMS (FIN-V2R1)
- APAR PI35591: CAMSGE: INVALID JSON ARRAYKEYPATH=¬"R11TLSSETTINGS"|¬"TLSTDROW"| (V2R1)
- APAR PI35127: CONFIGURATION ASSISTANT USES A CODED DEFAULT OF SSLV3 OFF FOR THE TELNET SERVER (V1R13)
- APAR PI34882: CONFIGURATION ASSISTANT USES A CODED DEFAULT OF SSLV3 OFF FOR THE TELNET SERVER (V2R1)
- APAR PI31225: ZOSMF CONFIGURATION ASSISTANT TABS MAY HANG (V2R1)
- APAR PI22515: INSTALL OF IPSEC CONFIGURATION FILES FAILS WITH IZUG899E INTERNAL SERVER ERROR (V2R1)
- APAR PI20037: CONFIGURATION ASSISTANT IPSEC HEALTH CHECKER REPORTING OVERLAPPING TRAFFIC ERROR (FIN-V1R13)
- APAR PI16476: THIS APAR CONTAIN ALL THE THE FIX INCLUDE IN SPE2 REGRESSIONTEST (V2R1)
- APAR PI13795: ZOSMF CONFIGURATION ASSISTANT SECURE FTP LOG INCORRECTLY SHOWS CIPHER SSL_NULL_WITH_NULL_NULL (FIN-V1R13)
- APAR PI13407: Z/OSMF CONFIG ASSISTANT TREE TABLE EXPAND/COLLAPSE FUNCTION NOT WORKING (FIN)
- APAR PI10370: THIS APAR CONTAINS ALL THE FIXES INCLUDED IN SPE1 REGRESSION TEST (V2R1)
- APAR PI08749: IPSEC SECURITY LEVEL LIFETIME AND LIFESIZE DEFAULT VALUES CANNOT BE OVERRIDDEN (V2R1)
- APAR PI08194 ERROR MESSAGE CAMSGE: INVALID JSON ARRAY (V2R1)
- APAR PI05774: SYSROUTE TO V2R1 OF APAR PM96313 (V2R1)
- APAR PM97743: NULL POINTER EXCEPTION RUNNING Z/OSMF CONFIGURATION ASSISTANT (V2R1)
- APAR PM97218 Z/OSMF CONFIGURATION ASSISTANT NOT VALIDATING PORT NUMBER WHEN USING SYSTEM CONFIGURED WITH SWEDISH FORMAT (V2R1)
- APAR PM96630 ATTEMPT TO ADD PORT TO EXISTING TRAFFIC DESCRIPTOR PRODUCES INVALID ERROR MESSAGE (V2R1)
- APAR PM96313 ZOSMF CONFIGURATION ASSISTANT FLAT FILE IMPORT OF ATTLS CAUSES CERTIFICATE LABEL TO BE MISSING (V1R13)
- APAR PM94138 FLAT FILE IMPORT (FFI) OF ATTLS POLICY CAN RESULT IN DIFFERENT TTLSRULES BEING CREATED (V1R13)
- APAR PM93903 THIS APAR WILL FIX A NUMBER OF DEFECTS AFTER CAV2R1 RELEASE (V2R1)
- APAR PM92018 THIS APAR WILL ADD THE WORKFLOW FUNCTION AND CLEAN-UP NAMES OF SHIPPABLE PARTS (V2R1)
- APAR PM72249 CA GENERATES AN ENVFILE STATEMENT WITH AN INVALID DATASET NAME (V1R13)
- APAR PM68411 Z/OSMF CA FLAT FILE POLICY IMPORT WILL NOT ALLOW ADDRESS GROUP MODIFICATIONS (V1R13)
- APAR PM59250: CONFIGURATION ASSISTANT HEALTH CHECKER NOT REPORTING IN AT-TLS WITH MULTIPLE PORTS (V1R13)
- APAR PM56760: BACKING STORE MIGRATION RESULTS IN SOME MISSING SECTIONS
- APAR PM56730 Z/OSMF POLICY DATA IMPORT FUNCTION DOESN'T ALLOW SECURE IMPORT USING SSL FUNCTION
- APAR PM43822: DEVELOPMENT FIX (V1R13)
- APAR PM39171: DEVELOPMENT FIX (V1R12)
- APAR PM34825: FIXES FOR Z/OSMF V1R11
- APAR PM29114: ABEND0C4 IMPORTING POLICY FILES USING Z/OSMF CONFIG ASSISTANT
- APAR PM13763: CUMULATIVE DEVELOPMENT FIXES
- APAR PM05363: SUPPORT FIXES FOR CONFIGURATION ASSISTANT POLICY DATA IMPORT
Enterprise Extender
- Configuration
- How to encrypt Enterprise Extender connections
- Understanding Enterprise Extender, Part 1: Concepts and Considerations
- Understanding Enterprise Extender, Part 2: Nuts and Bolts
- PK93190: New Function Performance Enhancements for Enterprise Extender using IPSecurity
- Enterprise Extender Implementation Guide
- Configuring static VIPAs for Enterprise Extender in IP Configuration Guide
- Sample TCP/IP Profiles for Enterprise Extender Configurations:
- Pre-defined Enterprise Extender Connection: Appendix A.1.2.1 TCP/IP profile with VIPA, IUTSAMEH, QDIO, Static Routes in SNA Resource Definition Samples
- Local Virtual Routing Node (LVRN) Enterprise Extender Network: Appendix A.2.2.1 TCP/IP profile with VIPA, IUTSAMEH, QDIO, Static Routes in SNA Resource Definition Samples
- Global Virtual Routing Node (GVRN) Enterprise Extender Network: Appendix A.3.2.1 TCP/IP profile with VIPA, IUTSAMEH, QDIO, Static Routes in SNA Resource Definition Samples
- Diagnosis
| |
- MustGather: Collect Troubleshooting Data for Enterprise Extender for z/OS Communications Server
- Diagnosing Enterprise Extender (EE) Problems
- Technote: Activation of Enterprise Extender connection dialing out to predefined switched PU fails with sense FFC80004
- Technote: Resolving FFC80004 CONNOUT failure when implementing global VRNs
- Technote: Sense 08060027 on EE link
- Technote: IST663I BIND FAIL REQUEST RECEIVED, SENSE=0897000A
- Technote: Activation of an EE XCA major node fails with 08100024 status code
- Technote: Display of IUTSAMEH shows a state of SENT SETUP
- Technote: Session setup hangs in PSEST/B-P over EE
- Technote: IST1430I XID OR LDLC TIMEOUT
- Technote: TCP/IP Name Resolution Fails for Long-Running Applications
- Specifying correct portrange when defining ENTERPRISE EXTENDER (EE)
- Formatting packet traces using IPCS in IP Diagnosis Guide
- APAR PM29360 ENTERPRISE EXTENDER CSM 4K ECSA GROWTH EEDIAG,TEST=YES
- APAR PM40439 ABEND0C4 IN EZBUDEET
- APAR PM91713 STORAGE GROWTH IN TCPIP PRIVATE SUBPOOL 249 KEY6 (V1R12, V1R13)
- APAR PM92758 TCP ECSA SP231 SKMB / SKDB STRANDED STORAGE GROWTH IUTSAMEHOST (V1R13)
- APAR PM94662 TCP ECSA SP231 SKMB / SKDB STRANDED STORAGE GROWTH IUTSAMEHOST (V2R1)
- APAR PM94671 STORAGE GROWTH IN TCPIP PRIVATE SUBPOOL 249 KEY6 (V2R1)
- APAR PI05014 GROWTH OF SP231K6 ECSA STORAGE WITH STRANDED SKMB/SKDB ZBLOCKS (V1R13)
- APAR PI05583: GROWTH OF SP231K6 ECSA STORAGE WITH STRANDED SKMB/SKDB ZBLOCKS (V2R1)
- APAR PI06478: EZBITDSA ABEND 4C5 74FF2500 ABEND0C4 EZBUDBYP SP241 TCP ECSA DUCB DUSA SHORTAGE PORT 12001 UCB LOCK (V1R12, V1R13)
- APAR PI06564 EZBITDSA ABEND 4C5 74FF2500 ABEND0C4 EZBUDBYP SP241 TCP ECSA DUCB DUSA SHORTAGE PORT 12001 UCB LOCK (V2R1)
- APAR PI35076 CTRACE EE OPTION OUT OF SEQUENCE PACKET COUNTS ARE INCORRECT. (V1R13)
- APAR PI35672 CTRACE EE OPTION OUT OF SEQUENCE PACKET COUNTS ARE INCORRECT. (V2R1, V2R2)
- APAR PI36113 A NEW VPN TUNNEL FOR AN EE CONNECTION TAKES A LONG TIME TO RECOVER WHEN VPNLIFE EXPIRES AND TERMINATES THE TUNNEL. (V2R1)
- APAR PI55254 VTAM ECSA GROWTH TI00 IO00 BUFFERS EE IPNEE_LATCH BIT (V2R1, V2R2)
- APAR PI59617 POTENTIAL FOR ELEVATED 4K ECSA CSM USAGE (V2R1, V2R2)
- APAR PI63280 POTENTIAL GROWTH OF 4K CSM FIXED DATA SPACE USING LOOPBACK EE APPLICATION (V2R2)
- APAR PI71824 SP231 KEY6 GROWTH EE ZEN SKMB SKDB MPROTO MESSAGE TRIPLE (V2R2)
- OA36193 EE PU NOT INOP'D DUE TO LIVENESS TIMER WHEN THE PU LOSES CONNECTIVITY AND EEVERIFY=ACTIVATE IS IN USE (V1R12, V1R13)
- OA36271 EE PU CODED WITH REDIAL=N BEHAVES AS IF REDIAL=FOREVER IS CODED (V1R12, V1R13)
- OA36401 ABEND0C4 AT X'F24' INTO ISTTSCND (V1R12, V1R13)
- OA36610 EE CONNECTION DOES NOT AUTOMATICALLY RECOVER (V1R13)
- OA36921 ABEND0C4 MODULE ISTTSCND + X'FDE' (V1R10, V1R11, V1R12, V1R13)
- OA36923 VTAM COMMON CSA ECSA STORAGE GROWTH SP227 DLRPL EE VRN IPRESOLV (V1R11, V1R12, V1R13)
- OA36951 ABEND0C4 PIC4 IN ISTAUCIL UA42540 +260C (V1R10, V1R11, V1R12, V1R13)
- OA37027 MSG TO ALERT OPERATOR THERE IS AN IP ADDRESS CONFLICT WITH A VIRTUAL ROUTING NODE. (FIN)
- OA37994 VTAM ECSA SP227 K6 TI00 BUFFER GROWTH ENTERPRISE EXTENDER EEDIAG TEST=YES EEVERIFY (V1R11, V1R12, V1R13)
- OA38588 ABEND0A9 FF13 ISTRPCRS (V1R11, V1R12, V1R13)
- OA39637 HPR PIPE HUNG WITH ONE SIDE NOT RESENDING PACKETS FOR A GAP REQUEST. 12/06/19 PTF PECHANGE (V1R11, V1R12, V1R13)
- OA38646 ABEND0C4 IN ISTAUCIL WHEN UPDATING BPBMXDAT (V1R11, V1R12, V1R13)
- OA39303 GLOBAL VRN CONNECTION FAILS WITH MESSAGES IST590I IST1903I IST1139I SENSE 08090000 (V1R11, V1R12, V1R13)
- OA40347 EZBITDSA(UK68305 11.151)+0005E0 S4C5/74FF2500 EZBUDEET(UK71936 11.258)+004AA8 S0C4/00000010 (V1R13)
- OA40579 DO NOT ALLOW ACTIVATION OF LINES UNDER MULTIPLE XCA EE NON-CONNECTION NETWORK GROUPS WHEN DYNPU VALUES CONFLICT. (FIN)
- OA40662 ENTERPRISE EXTENDER LIVENESS TIMER EE PU PAB LOOP AFTER ECSA STORAGE SHORTAGE (V1R13)
- OA41021 EZZ4321I ERROR: CODE=0810004A DURING SETUP PHASE ON CONNECTION FOR DEVICE IUTSAMEH (V1R12, V1R13)
- OA41078 EXCESSIVE HPR RETRANSMISSIONS DETECTED DUE TO STATUS SEGMENTS BEING SENT OUT-OF-ORDER FROM Z/OS CS (V1R12, V1R13)
- APAR OA41284 ALLOW EE XCA GROUPS TO BE DEFINED AND ACTIVATED WITH LARGE NUMBERS OF LINES. (V1R13)
- APAR OA41624 EE LINES DO NOT REACTIVATE AFTER TCPIP IS RECYCLED. (V1R12, V1R13)
- APAR OA41783 ABEND 0C4 IN ISTAUCTM (V1R12, V1R13)
- APAR OA42002 DEVELOPMENT FIXES (V2R1)
- APAR OA42088 ABEND 0C4 IN ISTAUCTM (V2R1)
- APAR OA42734 REPETITIVE ABEND0C4 IN ISTAUCPF (V1R12, V1R13)
- APAR OA43255 PACE DEPENDENT LU SUPPORT GIVEBACK COMMANDS (DLUS/DLUR) (V1R13)
- APAR OA43305 D NET,ID=PU_NAME,DET RESULTS DO NOT INCLUDE INBOUND PACKETS AND INBOUND BYTES THAT WERE ANR ROUTED. (V1R13)
- APAR OA43382 PACE DEPENDENT LU SUPPORT GIVEBACK COMMANDS (DLUS/DLUR) (V2R1)
- APAR OA43580 D NET,ID=PU_NAME,DET RESULTS DO NOT INCLUDE INBOUND PACKETS AND INBOUND BYTES THAT WERE ANR ROUTED. (V2R1)
- APAR OA43910 EZBITDSA ABEND 4C5 74FF2500 ABEND0C4 EZBUDBYP SP241 TCP ECSA DUCB DUSA SHORTAGE PORT 12001 UCB LOCK (V1R12, V1R13)
- APAR OA44090 EZBITDSA ABEND 4C5 74FF2500 ABEND0C4 EZBUDBYP SP241 TCP ECSA DUCB DUSA SHORTAGE PORT 12001 UCB LOCK (V2R1)
- APAR OA44450 IST1578I HARD INOP DETECTED FOR IUTSAMEH BY ISTTSC89 CODE 002 INOP OCCURS DUE TO ECSA STORAGE SHORTAGE (V1R12, V1R13)
- APAR OA44643 IST1578I HARD INOP DETECTED FOR IUTSAMEH BY ISTTSC89 CODE 002 INOP OCCURS DUE TO ECSA STORAGE SHORTAGE (V2R1)
- APAR OA49102 HEALTH CHECK CSVTAM_T1BUF_T2BUF_NOEE GIVES AN EXCEPTION IN Z/OS 2.2 FOR THE T1BUF VTAM BUFFER. (V2R2)
- APAR OA49940 LOOP IN ISTTSCCU PROCESSING AN XID WITH A NULL CPNAME (V2R1, V2R2)
- APAR PI73680 ABEND4C5 0BAD RC0BAD EZBUDBYP TRAP XBFLENT64 XBFLST (V2R2)
- APAR PI75618: ABEND4C5 REASON TCPHASHTABUNBALANCED IN EZBUDBYP +129E2 (V2R2)
Back to Top 
CSM
- CSM Configuration
- CSM Diagnosis
- MustGather: Collect Troubleshooting Data / Read First / Fix List for TCPIP CSM Storage for z/OS Communications Server
- CSM storage failure or high usage
- See section 3.36.4 Limiting CSM Storage Utilization in IP Diagnosis Guide
- CSM Storage growth and D NET,CSMUSE command
- Communications Server ECSA and CSM Storage Usage
- See the description of message EZZ9679E tcpstackname DETERMINED THAT CSM WAS CRITICAL FOR AT LEAST timevalue SECONDS
- See the description of message IVT5591I CSM ECSA STORAGE AT CONSTRAINED LEVEL
- See the description of message IVT5592I CSM FIXED STORAGE AT CONSTRAINED LEVEL
- APAR OA33825 IVT5592I CSM FIXED STORAGE CONSTRAINED IVT5565I RELIEVED INVALID DISPLAY OUTPUT (V1R9, V1R10, V1R11, V1R12)
- APAR OA38511 CSM DATASPACE STORAGE (V1R11, V1R12, V1R13)
- APAR OA40970 IVT5590I MAX ECSA VALUE ADJUSTED TO 90 PERCENT OF SYSTEM ECSA (FIN)
- APAR OA42657 DEVELOPMENT FIXES (V2R1)
- APAR OA43077 DEVELOPMENT APAR (V2R1)
- APAR OA43084 IEF776I MSTJCL00 JES2 PARMLIB IVTSMCIN UNALLOCATION OF THE LOGICAL PARMLIB FAILED (FIN)
- APAR OA44450 IST1578I HARD INOP DETECTED FOR IUTSAMEH BY ISTTSC89 CODE 002 INOP OCCURS DUE TO ECSA STORAGE SHORTAGE (HIPER, V1R12, V1R13)
- APAR OA44643 IST1578I HARD INOP DETECTED FOR IUTSAMEH BY ISTTSC89 CODE 002 INOP OCCURS DUE TO ECSA STORAGE SHORTAGE (HIPER, V2R1)
- APAR OA45197 STORAGE NOT RELIEVED AFTER IVT5592I CSM FIXED CONSTRAINED WHEN ONLY PAGE ELIGIBLE REQUESTS (HIPER, PE, V2R1)
- APAR OA45827 IVT5504I ABEND 0C4 OCCURRED IN IVTSMCSD+X'14C' (PE,HIPER, V1R13)
- APAR OA45843 IVT5504I ABEND 0C4 OCCURRED IN IVTSMCSD (HIPER, V2R1)
- APAR PM19021 HIGH CSM 32K ECSA BUFFER USAGE CAUSING STORAGE SHORTAGE WHEN USING HIPERSOCKETS
- APAR PM29360 ENTERPRISE EXTENDER CSM 4K ECSA GROWTH EEDIAG,TEST=YES
- APAR PM31494 32K FIXED CSM DATASPACE BUFFER GROWTH CONTAINING IUDR PACKING BUFFERS
- APAR PM32715 GROWTH IN FIXED CSM STORAGE WHEN A LARGE FRCA CACHE IS ACTIVE. GROWTH IS IN CSM 64 DATASPACE
- APAR PM33038 ECSA SP231 K6 AND CSM FIXED STORAGE GROWTH
- APAR PM33769 ABEND0C4 IN ISTLLCWI
- APAR PM39080 CSM FIXED DATASPACE STORAGE GROWTH (V1R12, V1R13)
- APAR PM40439 ABEND0C4 IN EZBUDEET
- APAR PM43595 CSM 4K DSPACE64 ECSA SKMB GROWTH DRS RECEIVE QUEUE WINDOW SIZE
- APAR PM52626 EZBIFINB(UK61123 10.302)+009620 S0C4/00000004 SRB (V1R11, V1R12, V1R13)
- APAR PM81034 CSM FIXED 32K DATASPACE STORAGE LEAK (V1R13)
- APAR PI24894 FTP JOB ENDS WITH CODE S0C4 SEQ_READ_FILE_MULTI +0X00000560 (V1R13)
- APAR PI32328 FIXED CSM DATASPACE STORAGE LEAK WHEN USING IQDIOMULTIWRITE (V2R1)
- APAR PI35004 FIXED CSM DATASPACE STORAGE LEAK WHEN USING IQDIOMULTIWRITE (V1R13)
- APAR PI38699 FIXED CSM GROWTH FOR CERTAIN TCP CONNECTIONS (V2R1)
- APAR PI46872 FIXED CSM GROWTH FOR CERTAIN TCP CONNECTIONS (V2R2)
- APAR PI59617 POTENTIAL FOR ELEVATED 4K ECSA CSM USAGE (V2R1, V2R2)
- APAR PI62708 CSM 4K ECSA FRAGMENTATION DUE TO IPASSIST IMAGE BUFFERS (V2R1, V2R2)
- APAR PI62916 FIXED CSM GROWTH FOR CERTAIN TCP CONNECTIONS (V1R13)
- APAR PI63280 POTENTIAL GROWTH OF 4K CSM FIXED DATA SPACE USING LOOPBACK EE APPLICATION (V2R2)
Automated Domain Name Registration (ADNR)
- How to configure ADNR
- Steps for configuring automated domain name registration
- ADNR configuration considerations
- ADNR configuration example
- How to diagnose ADNR problems
IP Printing
- How to configure Printing
- See "LPR/LPD" in IBM z/OS V1R13 Communications Server TCP/IP Implementation: Volume 2 Standard Applications
- See "Infoprint Server" in IBM z/OS V1R13 Communications Server TCP/IP Implementation: Volume 2 Standard Applications
- See "Remote Print Server" in z/OS Communications Server: IP Configuration Guide.
- How to diagnose Printing problems
- See "Problem determination for LPR/LPD" in IBM z/OS V1R13 Communications Server TCP/IP Implementation: Volume 2 Standard Applications
- MustGather: Collect Troubleshooting data, ReadFirst, Fixlist for Printing and Remote Execution components of z/OS Communications Server IP
Remote Execution (REXEC)
rpcbind
- How to configure rpcbind
- See "Portmapper and rpcbind" in z/OS Communications Server IP Programmer's Guide and Reference
- Steps for configuring the rpcbind address space
- sample RPCBIND cataloged procedure
- how to specify the directory where the pid file is written
- how to direct rpcbind to run in a nonswappable environment
- how to specify the number of statistics entries per binding protocol
- How to diagnose rpcbind problems
PORTMAP
- Configuration
- See "Portmapper and rpcbind" in z/OS Communications Server IP Programmer's Guide and Reference
- See "Steps for configuring the PORTMAP address space" in IP Configuration Guide
- See "Steps for configuring the z/OS UNIX PORTMAP address space" in IP Configuration Guide
Diagnosis
Back to Top 
System Management Facility (SMF)
- Configuration
- APAR PK69945: FTP SERVER SMF RECORDS ARE NOT WRITTEN TO NIM (SYSTCPSM) WHEN THE TCP CONNECTIONS FOR THE FTP SESSION ARE GONE
- APAR PK86945: FTP SERVER SMF RECORDS ARE NOT WRITTEN TO NMI ( SYSTCPSM ) WHEN THE TCP CONNECTION/S FOR THE FTP SESSION ARE GONE
- APAR PK94669: SMF TYPE119 SUBTYPE 7 RECORDS HAVE INCORRECT VALUES FOR SMF119SP_TCNUMCONNS AND SMF119SP_TCHIGHWATER
- APAR PM05716: SMF119 TERM RECORD SHOWS INVALID TIMESTAMP
- APAR PM05880: IN A CINET ENVIRONMENT WITH MULTIPLE STACKS SETUP TO USE SYSTCPSM NMI, FTP SMF 119 TERM RECORDS GO TO WRONG STACK
- APAR PM13252: SMF119 SUBTYPE 70 RECORD SHOWS SMF119TI_STACK VALUE OF INET FOR FTP SERVER IN NON-CINET ENVIRONMENT RATHER THAN TCPIP STACK NAME
- APAR PM54994: TELNET SMF 119 RECORDS SUBTYPE 20 AND 21 HAVE INCORRECT TIME AND DATES WHEN SNA SESSIONS ARE TAKEN OVER
- APAR PM55328 SMF TYPE118 RECORDS ARE CREATED EVEN THOUGH THEY ARE NOT ENABLED
- APAR PM68039 ADDRESS INFORMATION MISSING FROM UDPTERM SMF RECORDS
- APAR PM73189 INCORRECT SMF119 MAPPING MACRO
- APAR PM75118 SMF119 RECORDS HAVE NON-ZERO SMF119AP_TITIME & SMF119AP_TIDATE BUT NMI INIT/TERM RECORDS HAVE ZERO SMF119HDTIME & SMF119HDDATE
- APAR PM80076 CURRENTCONNECTIONS IN NETSTAT ALL FOR FRCA LISTENER INCORRECT
- APAR PM80172 AE PM68039 FIX COMPLETION
- APAR PI07360 ERROR IN FTP SERVER SMF TYPE 119 SUBTYPE 70 RECORDS (V1R13)
- APAR PI07940 ERROR IN FTP SERVER SMF TYPE 119 SUBTYPE 70 RECORDS (V2R1)
- APAR PI34480 Wrong name in SMF records for FTP transfers of load data sets (FIN-V2R1)
- APAR PI68004 RACF SMF TYPE 80 SUBTYPE 2 RECORD DOES NOT CONTAIN CORRECT CHARACTER STRING FOR LOGSTR DATA IN RACROUTE (V2R1, V2R2)
Diagnosis
Digital Certificate Access Server (DCAS)
- Configuration
- What DCAS provides in IP Configuration Guide
- EXPRESS LOGON using DCAS in IP Configuration Reference
- Diagnosing problems with Express Logon in IP Diagnosis
- APARs
- PK87315: S0C4 ABEND IN DCAS WITH DEBUG ACTIVE
- PM26598: DCAS SERVER DOES NOT ENABLE KEEPALIVE FOR ITS SESSIONS
- PM59377: DCAS SEARCH ORDER DOESN'T SEARCH FOR THE TCPIP.DCAS.CONFIG FILE (V1R12, V1R13)
- PM96898: NEW FUNCTION (V2R1)
NetAccess
- Configuration
- NETACCESS statement in IP Configuration Reference
- See "Overview of access control support" in IP Configuration Guide
- Check for the following diagnostic messages:
- EZD1219I MLSCHK NETACCESS NOT CONFIGURED WHEN MLACTIVE
- EZD1222I MLSCHK LOCAL INTERFACE IS NOT IN A NETWORK SECURITY ZONE IPADR ipaddress IF ifcname
- EZD1223I MLSCHK LOCAL ZONE HAS INCORRECT SECLABEL zonesl IPADR ipaddress IF ifcname ZONE zonename zoneentry RESNM resourcename PRFNM profilename
- EZD1225I MLSCHK iptype ipaddr IS NOT IN A NETWORK SECURITY ZONEEZD1226I MLSCHK iptype ipaddr HAS INCORRECT SECLABEL zonesl ZONE zonename zoneentry RESNM resourcename PRFNM profilename
- EZD1227I MLSCHK NETACCESS value NOT CONFIGURED WHEN MLACTIVE
- EZD1228I MLSCHK INTERFACE ifcname AUTOCONFIGURED WHEN MLACTIVE
- APARs
Fast Response Cache Accelerator (FRCA)
- Configuration
- Considerations for Fast Response Cache Accelerator in IP Diagnosis Guide
- TCPIPCS FRCA in IP Diagnosis Guide
- APAR PI15839 SERVER USING FRCA WILL OCCASIONALLY NOT RESPOND TO LOCAL CLIENT (V1R13)
- APAR PI17154 SERVER USING FRCA WILL OCCASIONALLY NOT RESPOND TO LOCAL CLIENT (V2R1)
- APAR PI78943
- APAR PI83818 ABEND0C4 IN EZBAFIN2 (V2R3)
Diagnosis
TCP/IP in an ensemble
- Configuration
- PM08334: NEW FUNCTION: TCP/IP IN AN ENSEMBLE (V1R10, V1R11)
- OA32099: NEW FUNCTION: TCP/IP IN AN ENSEMBLE (V1R10, V1R11)
- See TCP/IP in an ensemble in the z/OS Communications Server: IP Configuration Guide.
- PM47698: EUVF04071E UNABLE TO BIND SOCKET TO NN.NN.NN.NN EDC5111I PERMISSION DENIED
- PM68712 EZD0027I ERROR 2005 ASSIGNING VMAC AFTER RECYCLING OSM CHPID
- PM89710 OSX OSA IQDX ADD REMOVE CPC MEMBER ENSEMBLE FAILURE (V1R12 and V1R13)
- PM99138 OSX OSA IQDX ADD REMOVE CPC MEMBER ENSEMBLE FAILURE (V2R1)
- PI15839 SERVER USING FRCA WILL OCCASIONALLY NOT RESPOND TO LOCAL CLIENT (V1R13)
TCP/IP callable NMI (EZBNMIFR)
- Configuration
- See "TCP/IP callable NMI (EZBNMIFR)" in z/OS Communications Server IP Programmer's Guide and Reference.
- "TCP/IP callable NMI (EZBNMIFR)" in z/OS Summary of Message and Interface Changes
- Diagnosis
- PM08947 0C4 IN EZBNMGVC CALLABLE NMI FOR SYSPLEX NETWORKING DATA GETDVIPACONNRTAB
- PM15967 DEVELOPMENT FIXES (V1R12)
- PM26244 PROVIDED NMI FLAG FOR ACTIVE TARGET WHEN USING DISTMETHOD HOTSTANDBY (V1R12)
- PM34960 ABEND0C4 IN MODULE EZBTCUTL (V1R12)
- PM39036 ABEND 4C5 2A00 IN TMIAP_TERMINATE (V1R11, V1R12, V1R13)
- PM39630 APPLICATION UNABLE TO DROP CONNECTION USING EZBNMIFR (V1R12, V1R13)
- PM40025 ABEND0C4 IN MODULE EZBTCUTL (V1R13)
- PM46601 TCPCONNSERVICE PROVIDING CONNECTIONS IN TIMEWAIT STATE WHICH ARE SHORTER THAN MINLIFETIME (V1R12, V1R13)
- PM57930 TCPCONN QUERY NETVIEW DISPLAY SHOWS INVALID ACTIVE CONNECTIONS (V1R12, V1R13)
- PM64257 USING GETCONNECTIONDETAIL, NWMCONNOUTOLDESTTIME VALUE WAS INCORRECT (V1R12, V1R13)
- PM80647 COMMENT FOR NWMCONNSERVERRESOURCEID IN EZBNMHRA AND EZBNMRHC IS INCORRECT (V1R13)
Path MTU Discovery
- Diagnosis
- PM07979: ABEND0C4 IN EZBUDBYP DURING IPSEC POLICY ACTIVATION (V1R10, V1R11)
- PM33467: TIMEOUT WHEN PINGING A SPECIFIC IP ADDRESS BUT TCP OR UDP CONNECTIONS TO SAME IP ADDRESS WORK FINE (PE: V1R10, V1R11, V1R12)
- PM37586: TIMEOUT WHEN PINGING A SPECIFIC IP ADDRESS BUT TCP OR UDP CONNECTIONS TO SAME IP ADDRESS WORK FINE (V1R13)
- PM57513: ABEND4C5 RC742E0402 IN MODULE EZBIPRHD (HIPER: V1R11, V1R12, V1R13)
- PM86331: OUTBOUND PINGS (IPV4 ICMP) CAN BE INADVERTENTLY SUBJECTED TO POLICY-BASED ROUTING TABLES FOR UNEXPECTED RESULTS (V1R13)
- PM91127: OUTBOUND PINGS (IPV4 ICMP) CAN BE INADVERTENTLY SUBJECTED TO POLICY-BASED ROUTING TABLES FOR UNEXPECTED RESULTS (V2R1)
QDIO Accelerator
- Diagnosis
- PK89629: DEVELOPMENT APAR (HIPER, V1R11)
- PM30684 INCORRECT DESTINATION ADDRESS USED BY QDIOACCELERATOR (V1R11, V1R12)
- PM31375 ABEND IN EZBIPIQT (V1R11, V1R12)
- PM37396: QDIO ACCELERATOR CONTINUES PROCESSING AFTER STORAGE SHORTAGE IS DETECTED (HIPER, V1R11, V1R12, V1R13)
- PM37720: DEVELOPMENT FIX (V1R13)
- PM70368 SDAR CONTROL BLOCKS BEING ALLOCATED IN ECSA (HIPER, V1R11, V1R12, V1R13)
- PI20493 WHEN USING QDIOACCELERATOR, INBOUND PACKETS DIRECTED FROM ONE VLAN TO ANOTHER VIA OSA-EXPRESS QDIO INTERFACES GET DROPPED (V2R1)
- PI20698 ABEND 4C5 EZBXFTMR (V1R13)
- PI22806 ABEND 4C5 EZBXFTMR (V2R1)
- PI29972 WHEN USING QDIOACCELERATOR, INBOUND PACKETS DIRECTED FROM ONE VLAN TO ANOTHER VIA OSA-EXPRESS QDIO INTERFACES GET DROPPED (V1R13)
- PI32639 S4C5/74F72102 ABEND AT EZBITKRL+00015C WITH QDIOACCELERATOR ENABLED (V2R1)
- PI59617 POTENTIAL FOR ELEVATED 4K ECSA CSM USAGE (V2R1, V2R2)
- PI66075 SYSPLEX DISTRIBUTOR MAINTAINS CRHTE ENTRIES AFTER CONNECTIONS TERMINATE. 16/07/22 PTF PECHANGE (V2R1, V2R2)
- PI66357 SYSPLEX DISTRIBUTOR MAINTAINS CRHTE ENTRIES AFTER CONNECTIONS TERMINATE. 16/07/22 PTF PECHANGE (V1R13)
- PI86950 OSA Express6S devices rejecting Sysplex Distributor packets (V2R1, V2R2, V2R3)
- PI87535 ADD MISSING ++HOLD FOR PI86950 (V2R1, V2R2, V2R3)
- PI88929 QDIO Accelerator processing of packets which contain Ethernet padding is inefficient (V2R1, V2R2, V2R3)
- PI91445 USING OBEY FILE PROCESSING TO DISABLE AND ENABLE QDIOACCELERATOR WILL CAUSE IT TO STOP WORKING. (V2R2, V2R3)
- PI95231 QDIOACCELERATOR DOES NOT RECOVER SESSIONS WHEN OBEYFILE IS USED TO DISABLE AND ENABLE THE FUNCTION. (V2R2, V2R3).
- APARs
Common INET (CINET)
- Diagnosis
- CSTCP_CINET_PORTRNG_RSV_tcpipstackname in IBM Health Checker for z/OS: User's Guide.
- PM29360 ENTERPRISE EXTENDER CSM 4K ECSA GROWTH EEDIAG,TEST=YES (V1R10, V1R11, V1R12)
- PM43831 UPDATE OSNMPD JCL (FIN)
- PM79308 PAGENT HUNG DURING INITIALIZATION WHEN SPECIFYING SERVICESCONNECTION STATEMENT WITHIN CINET ENVIRONMENT (FIN)
CTRACE
- Diagnosis
- CSTCP_SYSTCPIP_CTRACE_tcpipstackname in IBM Health Checker for z/OS: User's Guide.
- PM42682 PACKET TRACE FORMATTER DOES NOT SHOW THE CORRECT FINAL STATE (FIN)
- PM61269 CONVERTING SYSTCPDA TO SNIFFER OR TCPDUMP LEADS TO INCORRECT LENGTH VALUES IN THE RESULTING CAP OR PCAP FILES (V1R13)
- PM63853 SOCKAPI CTRACE RECORDS NOT RECORDED (V1R13)
- PM73126 DUCB OVERLAY WHEN RUNNING WITH SOCKAPI TRACE ACTIVE (V1R12, V1R13)
- PM80352 SYSTCPIP PFSMIN SESSION FORMATTER FAILS WITH "RECORD CORRUPTED - UNKNOWN PFS ENTRY' AND POSSIBLE ABEND0C4 (V1R12, V1R13)
- PM94876 FORMATTED PACKET TRACE (SYSTCPDA) SHOWS SOME PACKETS DROPPED BUT SUBSEQUENT PACKETS WERE INCORRECTLY MARKED OUT-OF-ORDER (FIN)
- PI24720 CTRACE SYSTCPDA OPTION SUMMARY REPORTS INCORRECT TIMESTAMP (V2R1)
- PI35672 CTRACE EE OPTION OUT OF SEQUENCE PACKET COUNTS ARE INCORRECT
Simple Network Timed Protocol Daemon
- Configuration
- SNTPD daemon, in IP Configuration Guide
- SNTPD daemon, in IP Configuration Reference
Diagnosis
z/OS Encryption Readiness Technology (zERT)
- Diagnosis
- PI87685 POTENTIAL S0C4 ABEND IN EZBITSTO (EZBITSRL) WHEN ZERT IS ENABLED (V2R3)
- PI96128 EZBYTMIA IS MISSING DSECT FOR zERT AGGREGATION (V2R3)
Miscellaneous
- PI25403 SOME VARY TCPIP COMMANDS IGNORED AFTER SYNTAXCHECK OPEN FAILURE
- MustGather: Collect Troubleshooting Data Master Index for z/OS Communications Server
- Webcast Replay: Using z/OS Communications Server TCP/IP in a CINET (multistack) Environment
- CSTCP_TCPMAXRCVBUFRSIZE_tcpipstackname in IBM Health Checker for z/OS: User's Guide
- For assistance with implementing IPv4 interfaces, see Adding an Interface.
- Technote (troubleshooting): U0002 ABEND Using TCPIP Applications
- Technote (FAQ): Basing Automation on messages other than EZB6473I and EZAIN11I in the case of several services
- Technote (troubleshooting): Open errors messages generated from TCPIP processes
- Technote (troubleshooting): Specifying TCP/IP server parameters in JCL
- z/OS V1R10 Communications Server for IP and VTAM - Migration Concerns
- z/OS Communications Server Troubleshooting Information Center
- PM91029 DATTRACE PORTNUM PARM DOES NOT WORK FOR REMOTE PORTS (FIN)
- PI05991 RESIDUAL STORAGE FOR TIMESTAMP CAUSING RTT MISCALCULATION (V2R1)
- PI15067 ABEND S4C5 /76680402 EZBTCFSP(UK96154 13.207)+000F50 (V2R1)
- PI15257 DATTRACE IS NOT CAPTURING DATA FOR ATTLS CONNECTIONS (V2R1)
- PI23805 DEFAULT CONNECTTIMEOUT IS NOT WORKING AS DESIGNED (V2R1)
- PI25403 SOME VARY TCPIP COMMANDS IGNORED AFTER SYNTAXCHECK OPEN FAILURE (V2R1)
- PI89227 POTENTIAL DEADLOCK IN TCPIP (V2R3)
- PI90071 IPCS COMMAND SKMSG FAILS TO PRINT 64BIT PRIVATE AREA DATA BUFFER CONTENT (V2R2, V2R3)
Publication Number
Related Information
[{"Product":{"code":"SSSN3L","label":"z\/OS Communications Server"},"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Component":"--","Platform":[{"code":"PF035","label":"z\/OS"}],"Version":"1.6;1.7;1.8;1.9;1.10;1.11;1.12;1.13;2.1;2.2;2.3","Edition":"All Editions","Line of Business":{"code":"LOB35","label":"Mainframe SW"}}]
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Document Information
Modified date:
17 June 2018
UID
swg27019687