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N_67263's avatar
N_67263
Icon for Nimbostratus rankNimbostratus
Aug 27, 2013

Difference between health monitor using "http" and "tcp port-80"

Folks,   The use case I have is we have a pool configured with 2 nodes in it and has the health monitor set as http. There was some testing going on on one of the nodes and the pool was showing as...
BIG-IP Access Policy Manager (APM)
management
security
nitass's avatar
nitass
Icon for Employee rankEmployee
Aug 27, 2013

how can we technically explain the difference while configuring a health monitor as "http" and as "tcp-port 80". What could be the reason that the pool was up when I switches over to TCP-80?

 

i guess no send/recv string is configured in tcp-port 80 monitor, isn't it? if yes, tcp-port 80 monitor does not check response but http monitor does.

 

Troubleshooting Ltm Monitors by Aaron

 

https://devcentral.f5.com/wiki/advdesignconfig.TroubleshootingLtmMonitors.ashx

 

sol3224: HTTP health checks may fail even though the node is responding correctly

 

http://support.f5.com/kb/en-us/solutions/public/3000/200/sol3224.html