Forum Discussion
atomicdog_7107
Nimbostratus
Mar 28, 2012tcpdump using a free interface
Hey guys,
I'm wondering if it is possible to do a tcpdump on an interface that is not in use by LTM. so typically where you would set up ''tcpdump -i etc', I'm wanting to use an available...
Hamish
Cirrocumulus
Mar 30, 2012Mmm... Leaving aside hidden or not hidden (None of mine are hidden) that's not actually going to work very well. There's a strict limit on the number of packets per second (Umm.. 200pps IIRC) that will be relayed from the switch to the host when you're running tcpdump. It also has a detrimental effect on the performance of the unit, consuming quite a bit of CPU...
You';d be better off using a real IDS/IPS device if that's what you're planning...
H
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