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Dave_Watts_1515's avatar
Dave_Watts_1515
Icon for Nimbostratus rankNimbostratus
Nov 24, 2014

F5 not sending health check to all members in a pool

We have an active/standby setup. The standby unit is only sending HealthChecks to 1 out of 10 members in a pool. I manually tested the connection (smtp) and the F5 can connect to all members. When...
application delivery
availability
deployment
LTM
Brad_Parker_139's avatar
Brad_Parker_139
Icon for Nacreous rankNacreous
Nov 24, 2014

Are the nodes marked available?

 

  • Dave_Watts_1515's avatar
    Dave_Watts_1515
    Icon for Nimbostratus rankNimbostratus
    Nov 25, 2014
    1 of 10 members are marked as available. All 10 of them are reachable via ICMP and telnet to SMTP port from tmsh. The other 9 are marked as down by monitor. When I watched via tcpdump you can see the healthchecks going to the 1 server however you never see traffic to the other 9.