You could do packet captures with wireshark. I would off load it if you are trying to research on a production machine though. I think that you can do a defined capture just for TCP keepalives. Cisco is a span-port command if you want to see from source to destination and reverse.
Just a thought Chadwick > Date: Fri, 25 Jun 2010 19:46:45 +0200 > From: sust...@250bpm.com > To: ietf@ietf.org > Subject: Protocol for TCP heartbeats? > > Hi all, > > I haven't been able to find it but maybe someone knows here: Have there > been a protocol defined for checking whether TCP peer is alive or not? > (I mean one that plays well with networks with various latencies and > throughputs and won't congest the network even if used on a wide scale.) > > Thanks in advance! > Martin > _______________________________________________ > Ietf mailing list > Ietf@ietf.org > https://www.ietf.org/mailman/listinfo/ietf
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