Hi,

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If I remember correctly, CDP ENABLE will enable CDP on an individual interface. Pressumably, if you precede it with NO, you will disable it.
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Just can't seem to make 'NO CDP ENABLE' take at the interface level (Dialer or BRI). The command is accepted but has no effect....

>>
There is also a command to enable or disable CDP globally, that is, in the "configure terminal" mode. I don't remember the command, but I think you should find it if you type "CDP ?".
>>

There doesn't seem to be an option to enable/disable CDP at the global level. I can change to interval at which messages are generated ('CDP TIMER xxx') which DOES work.

Anyway this problem isn't critical since the CDP traffic does not appear to prevent the connection being dropped on idle.

Thanks for the suggestions,
Viv