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

Pete Templin petelists at templin.org
Thu Feb 5 11:19:30 EST 2004

Several thoughts:

CDP (proprietary, but may add some research value)
PortFast with BPDUGuard (if they create a loop, it'll down the port, and 
they'll come crying to you)

Buhrmaster, Gary wrote:

> While it is not perfect (nothing is), if your
> "central" switches are managed/manageable, one 
> can look for end user ports with multiple mac 
> address associations (using regular SNMP 
> polling), and then go out and discuss with the 
> user your preferred implementation of 
> additional ports.
> Gary
>>-----Original Message-----
>>From: Chapman, Matt [mailto:chapmam2 at ocps.k12.fl.us]
>>Sent: Thursday, February 05, 2004 6:26 AM
>>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
>>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.
>>-- 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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