z/OS Communications Server: IP Messages Volume 2 (EZB, EZD)
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EZD1210E

z/OS Communications Server: IP Messages Volume 2 (EZB, EZD)
SC27-3655-01

EZD1210E
tcpstackname DETERMINED THAT NO DYNAMIC ROUTES OVER MONITORED INTERFACES WERE FOUND FOR AT LEAST timevalue SECONDS

Explanation

Sysplex problem detection has determined that no dynamic routes over monitored interfaces were found.

In the message text:

tcpstackname
The name of the TCP/IP stack.
timevalue
The number of seconds during which no dynamic routes over monitored interfaces were found.

System action

TCP/IP continues.
  • If the GLOBALCONFIG SYSPLEXMONITOR RECOVERY option is active and this stack is not the only member of its TCP/IP sysplex group, the following RECOVERY actions occur:
    • This stack leaves the TCP/IP sysplex group.
    • This stack no longer participates in sysplex distribution (as a distributor or target) nor acts as an owner or a backup for DVIPAs. All DVIPAs defined on this stack are deactivated; however, the DVIPA definitions are saved.
    • If the problem is corrected, this operator message is deleted; if the GLOBALCONFIG SYSPLEXMONITOR AUTOREJOIN option is active, the stack processes the DVIPA definitions and rejoins the TCP/IP sysplex group.
  • If the GLOBALCONFIG SYSPLEXMONITOR NORECOVERY option is active, no action is taken. If the problem is corrected, this operator message is deleted.

See the information about network interfaces monitoring and sysplex problem detection and recovery in z/OS Communications Server: IP Configuration Guide for more information.

See the information about the GLOBALCONFIG statement in z/OS Communications Server: IP Configuration Reference for the definitions of the SYSPLEXMONITOR parameters.

Operator response

Contact the system programmer.

System programmer response

Issue the Netstat DEvlinks/-d command to determine which interfaces are being monitored; this recovery action might be triggered because the first hop routers were brought down for maintenance. You can temporarily disable the monitoring of dynamic routes by specifying MONINTERFACE NODYNROUTE on the GLOBALCONFIG SYSPLEXMONITOR statement through the VARY TCPIP,,OBEYFILE command. If you still cannot determine why the routes were lost, see the information about diagnosing OMPROUTE problems in z/OS Communications Server: IP Diagnosis Guide for more information.

If this problem can be corrected, this operator message is deleted.
  • If RECOVERY and NOAUTOREJOIN are active, then issue the VARY TCPIP,,SYSPLEX,JOINGROUP command to cause the DVIPA definitions to be processed, and cause the stack to rejoin the TCP/IP sysplex group.
  • If RECOVERY and AUTOREJOIN are active, no further actions are needed. The stack processes the DVIPA definitions and rejoins the TCP/IP sysplex group.
  • If NORECOVERY is active, no further actions are needed.

User response

Not applicable.

Problem determination

Not applicable.

Module

EZBXFPDM

Example

None.

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