[c-nsp] tcpdump on ios?

[Gert Doering]

Hi,

On Sat, Jan 12, 2008 at 03:21:09AM +0200, Kim Onnel wrote:
> if we are talking about hardware switching platforms then i believe it makes
> sense that it will only sniff process switched traffic, so why is it useless
> then?

If you have process switched traffic, something is wrong with your 
network setup.  Some features just plain do not work without CEF (like
"MPLS"), others are horribly slow or cause insane amount of CPU load.

> IMHO, it is very difficult to design a router that will capture traffic
> being hardware switched, am i correct?

SPAN/RSPAN/ERSPAN exit and work very well :-)

gert
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Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de
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