Forum Discussion
genseek_32178
Aug 28, 2013Nimbostratus
F5 TCP Issue
Hi,
We have a destination IP - 1.1.1.1 being accessed via an application from src-172.20.20.1, and there is no delay in response.
Now the destination is a VIP behind the LB with 10 pool mem...
Kevin_Stewart
Aug 28, 2013Employee
You're looking specifically at timing - when the packet goes in, when it comes out, when the server returns a response, and when the proxy releases it.
Assuming you have VLANs labeled "internal" and "external", the following minimal TCPDUMP syntax should get you what you need:
tcpdump -lnni internal:nnn host [host IP filter] [and other filters]
tcpdump -lnni external:nnn host [host IP filter] [and other filters]
With the differences you're seeing, the source of the delay should be fairly observable in the captures.
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