Ethereal

Re: [Ethereal-dev] Cisco undocumented comand for capturing IP packets

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Ethereal-dev: October 2000


Bert Driehuis wrote:
> 
> I would *strongly* recommend against using this command unless you
> really know what you're doing and/or don't mind a router reboot.
> 
> The SNMP capture has resource usage limitations built in; I'd suggest
> using that if this functionality is required.
> 

Yes, thank you, I now that this may lock my router, but the router is
not in production and is under my desk @ work. I do not mind to reboot
it sometimes if I am dumb enough to lock it up.
But if you are using some "debug ip packet ACL dump" you can limit your
dump to what is interesting, and I dump it only to a syslog via a free
interface, not to console.

Anyway, my need is to capture some WAN traffic, because on the LAN is
easy to capture.
And as fas as I know, the SNMP capture is only for LAN. (RMON MIB)

Of course there are powerfull (and expensive) protocol analysers for
WAN, but unfortunately I cannot afford one of theese. (RMON II + other
features that Cisco is saving for those WAN protocol analysers)

I want WAN captures just for learning purposes.





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