I know you can turn off CDP completely however I do not believe it can be
blocked by an IP access-list as it runs at layer 2.
If I am wrong, I am sure I will be corrected here, but I am pretty sure that
is accurate based on the fact that CDP uses layer 2.
----- Original Message -----
From: "Aaron Prather" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, June 27, 2000 5:58 PM
Subject: Can you block CDP with an access list???
> If you can what protocol does it use? UDP? i know its a protocol in
> itself, but can this be done? what port number?
>
> Thanks guys,
>
> Aaron
>
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