On Fri, Sep 21, 2012 at 6:40 PM, Jimb Esser <[email protected]> wrote:
> I have no idea how to capture traffic on Linux, but I could do so if there
> are some good instructions somewhere. The problem generally takes hundreds
> of MB of traffic to reproduce, however, so I'm not sure if logging that
> traffic will affect it and cause it to not occur, but I'm willing to try.
tcpdump? It's easy:
tcpdump -C 1 -G 5 -i <interface> -n -s 1500 -w <filename> tcp port <port>
The -C and -G options makes it rotate the log file every 5 seconds or
when it grows to 1 million bytes, whatever comes first. You may need
to increase the snarf size (-s) to 8192 or higher if you're capturing
loopback traffic.
You can replay the traffic with `tcpdump -A -r <filename>`.
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