[c-nsp] Blocking a Mac address at a router interface

[Koen Peetermans]

Chris,

What about adding a static arp entry on the router for his mac address
pointing to an ip address that he is not going to be using ?

Kind regards,

Koen.

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Chris Moore - GMD
Sent: donderdag 23 september 2004 16:56
To: 'cisco-nsp at puck.nether.net'
Subject: [c-nsp] Blocking a Mac address at a router interface

Hi all,
 
This seems like it should be super-easy, but I just can't seem to figure it
out!
 
I have a branch office served by a 1721 router. I have a guy there with his
own laptop that he keeps connecting to the network against company policy,
changing his IP to evade filters. I know, we should just fire the guy, but
company politics, not my decision, etc,etc.......Anyhoo, how can I block his
mac at the 1721's Ethernet interface? Unfortunately the cheapo switch in
place fails to provide adequate port security. 
 
Thanks,
 
Chris


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