[afnog] Bind IP address to MAC Address

[Mark Tinka]

On Wednesday 30 June 2010 05:37:16 pm etessua at uccmail.co.tz 
wrote:

>   I have a dhcp server (Cisco 2600 router), i would like
>  to bind a certain MAC to the IP address so that i can
>  deny this MAC address access to the internet.
>     Explanation: there is a certain machine on my network
>  (large University Network) which is causing trouble, it
>  is hard to track it down so i'm thinking of denying
>  access to the internet then it will be easy to allocate
>  this machine. Any help will be appreciated.

MAC addresses are generally limited in network scope.

Would suggest enabling MAC address filtering on the switch 
you think is closest to the offending machine. That works 
well, and should generate some screams from at least one 
user in your network.

A topology of your network and the positioning of the 
offending machine could help.

Mark.
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