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Pool Health Monitors

Cowboy Denny

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This is a discussion about the differences on Health Monitors for your LTM Pool and how to test them before you rely on them.

Simple monitors

Simple monitors only monitor the node address itself, not individual protocols, services, or applications on a node. 

gateway_icmp, icmp, tcp_echo, tcp_half_open


Extended content verification (ECV) monitors

ECV monitors use Send and Receive string settings to retrieve content from pool members or nodes.

tcphttphttps, and https_443


# time curl
curl: (51) SSL: certificate subject name '*.services.hosangit.com' does not match target host name ''

real    0m0.259s
user    0m0.093s
sys     0m0.050s


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