Forum Discussion
F5 health monitors intermittently failing.
Hi All,
I am facing a wired issue with some (say 2 F5) different environment. Issue is pool is going intermittently flapping due to health monitoring (icmp, tcp & udp) failing with error "No successful responses received before deadline." Both F5 environment are running on version - 17.5.1.3
One interesting thing observed was that one F5 environment this health monitoring failing was observed on standby F5, while there were no issues observed on active F5. Please let me know what can be the actual cause of this issue & how to resolve this.
1 Reply
Hello Preet_pk
F5s perform health checks form their self IPs.
So working from one while not from the other might means that not both IPs are allowed for FW for example.
Have you checked it?BR,
Kostas
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