Networking on z/OS
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Sample VTAM network

Networking on z/OS

The sample network demonstrates how to define this subarea network. The network consists of two mainframe hosts named HOSTA and HOSTB. The two mainframes are connected using Ethernet LAN implemented by an OSA in every host.

Figure 1. Sample networkSample network

The sample network in Figure 1 has matching configuration definitions in Table 1. The definitions on the left side of the table are for HOSTA, and those on the right side relate to HOSTB.

Table 1. Configuration definitions matching the sample network
HOSTA HOSTB
ATCSTR01 Definition
HOSTSA=01,
SSCPNAME=SSCP1,
NETID=NETY,
SSCIP=100,
HOSTPU=HOSTPU1,
CONFIG=01
ATCSTR02 Definition
HOSTSA=02,
SSCPNAME=SSCP2,
NETID=NETY,
SSCIP=200,
HOSTPU=HOSTPU2,
CONFIG=02
PATH Definition
PATH01 PATH DESTSA=2,
            ER0=(2,1),
            VR0=0
PATH Definition
PATH01 PATH DESTSA=2,
            ER0=(2,1),
            VR0=0
XCA (OSA) major node for attaching peripheral and subarea nodes
OSA1   VBUILD TYPE=XCA
PORT1  PORT   ADAPNO=1,
              CUADDR=29A,
              MEDIUM=CSMACD
GRP1A  GROUP  DIAL=YES,
              AUTOGEN=(5,L,P),
              CALL=INOUT,
              ANSWER=ON
GRP1B  GROUP  DIAL=NO
LN1B   LINE
PU1B   PU     SUBAREA=2,
              PUTYPE=5,
              TGN=1,
              MACADDR=note 1
XCA (OSA) major node for attaching peripheral and subarea nodes
OSA2   VBUILD TYPE=XCA
PORT2  PORT   ADAPNO=1,
              CUADDR=83C,
              MEDIUM=CSMACD
GRP2A  GROUP  DIAL=YES,
              AUTOGEN=(5,L,P),
              CALL=INOUT,
              ANSWER=ON
GRP2B  GROUP  DIAL=NO
LN2B   LINE
PU2B   PU     SUBAREA=1,
              PUTYPE=5,
              TGN=1,
              MACADDR=note 1
CDRM major node
CDRM1 VBUILD  TYPE=CDRM
NET1  NETWORK NETID=NETY
SSCP1 CDRM       SUBAREA=1
CDRM2 CDRM       SUBAREA=2
CDRM major node
CDRM2 VBUILD  TYPE=CDRM
NET2  NETWORK NETID=NETY
SSCP2 CDRM       SUBAREA=2
CDRM1 CDRM       SUBAREA=1
Application major node
APPL1X  VBUILD  TYPE=APPL
APPL1   APPL      ACBNAME=APPL1
APPL2   APPL      ACBNAME=APPL2
Application major node
APPL2X  VBUILD  TYPE=APPL
APPL10  APPL      ACBNAME=APPL10
APPL20  APPL      ACBNAME=APPL20
Switched PU major node (SNA server)
SWPU1  VBUILD TYPE=SWNET
PU1    PU      MAXDATA=1033,
               ADDR=01,
               CPNAME=SNASRVR,
               PUTYPE=2
Switched PU major node (SNA workstation) with dependent LUs
SWPU2  VBUILD  TYPE=SWNET
PU2    PU       MAXDATA=1033,
                ADDR=01,
                IDBLK=01A,
                IDNUM=,30D54,
                PUTYPE=2
LU1    LU       LOCADDR=1
LU2    LU       LOCADDR=2
CDRSC major node (Independent LU 6.2)
CDRSC1  VBUILD  TYPE=SWNET
ILU1    CDRSC  ALSLIST=PU1
 
ATCCON01
PATH01,
OSA1,
CDRM1
APPL1X,
SWPU1,
CDRSC1
ATCCON02
PATH02,
OSA2,
CDRM2
APPL2X,
SWPU2,
CDRSC2




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