[nsp] Suggestions on tracking down bandwidth offenders
Raymond, Steven
steven_raymond at eli.net
Wed Jul 14 13:38:52 EDT 2004
> to figure out who the big talkers were, but frankly it takes
> too long to
> crunch all the packets. I've also tried etherApe, but the analysis
> makes my poor little laptop crawl. Are there any tools out
> there that
> will speed this up? Possibly by looking at the firewall logs?
Have you tried 'ip accounting output-packets' on your LAN interface(s)?
To narrow the output down, it then helps to do something like this:
sh ip accounting | e (_[0-9]_|_[0-9][0-9]_)
Which means "exclude any lines 1 or 2 digit numbers surrounded by spaces".
Add more [0-9] to look at only the larger talkers.
It's quick & dirty, but easy.
HTH
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