Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

Forum Discussion

Ken_B_50116's avatar
Ken_B_50116
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Jan 21, 2015

LTM SSL health check fails when standby node reboots

Last night I was upgrading a BigIP LTM 11.4.1 HF5 active/standby 2 node cluster to HF7. The hardware platform is 4200v. When I was rebooting the standby node, a health check on the active node starte...
application delivery
availability
LTM
management
NikhilB's avatar
NikhilB
Icon for Employee rankEmployee
Jan 22, 2015

Dont recall seeing a situation like this. Strange. Did you capture any outputs from /var/log/ltm on the active when you rebooted the standby?

 

Tried a different monitor (address check?)

 

  • Ken_B_50116's avatar
    Ken_B_50116
    Icon for Cirrostratus rankCirrostratus
    Jan 25, 2016
    Unfortunately I never did find a solution to this, and I never went back and did any more troubleshooting.