It is quite simple to see if a pool member failed it’s health check by checking the pool status via GUI/CLI and the ltm logs also give you more information on the time lines when the pool went down/up;
cd /var/log cat ltm | grep
But what if you’ve configured a custom health monitor for a particular pool and now that pool is down and you know it’s the monitor that is failing it. You’ve verified that the F5 is indeed sending the F5 monitor traffic to the nodes. You run some captures on the interface or on an intermediary firewall and see the node is sending replies as well. Now, what if you want to check the contents of the server’s response during that time from the F5 itself?
So here’s the step-by-step instructions you need to follow to effectively get that information;