[nsp] Using router or switch to detect "other" switches.

MacKinnon, Ian Ian.MacKinnon at thus.net
Thu Feb 5 09:30:56 EST 2004

How about checking the mac addresses for ones that are non Cisco?
Eg from http://www.erg.abdn.ac.uk/users/gorry/course/lan-pages/mac-vendor-codes.html

00000C  Cisco
00000E  Fujitsu
00000F  NeXT
000010  Sytek
00001D  Cabletron
000020  DIAB (Data Intdustrier AB)

> -----Original Message-----
> From: Chapman, Matt [mailto:chapmam2 at ocps.k12.fl.us]
> Sent: 05 February 2004 14:26
> To: cisco-nsp at puck.nether.net
> Cc: Sagon, Keith
> Subject: [nsp] Using router or switch to detect "other" switches.
> Is it possible to do rogue detection of switches that are not cisco
> similar to how you can use the Cisco Aeronets to detect rogue Access
> Points?
> We are in a fight to find and replace those pesky little Netgear
> switches that so many people are using to get around pulling a wire or
> even using a cisco 2940.
> Thanks,
> -- Matt Chapman
> Matt Chapman
> Network Engineer
> "I think computer viruses should count as life. I think it says
> something about human nature that the only form of life we have created
> so far is purely destructive. We've created life in our own image."
> Stephen Hawking (1942 - )
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