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All connection statuses are CLOSE _WAIT, and cannot establish more connection.

Popeye_marks
Occasional Collector

All connection statuses are CLOSE _WAIT, and cannot establish more connection.

Cisco ACS4710 Loadbalancer balances traffics to HP-UX B.11.31 VSE application servers x 2.

I have enabled health probe on loadbalancer. But few minutes later, Health probe failed and loadbalancer disconnects connection to HP_UX servers.


From the log loadbalancer log, I found below.

%ACE-3-251010: Health probe failed for server 192.168.1.54 on port 11584, graceful disconnect timeout (no FIN ACK)

But, didn't find any special logs from HP_UX servers.

I was think root cause is in loadbalancer. But I directly (no loadbalancer) sent many connection requests to server by script.  About 50 connection requests later, server responds very slow then no response. Also didn't connect to server from clients. But service status was still running.

I show all connection statuses on special port (11584), but all connection statuses were CLOSE_WAIT.

Please help me to where the problem might be.