From: Mingzhou Nie (mnie@xxxxxxxxx)
Date: Sat Apr 06 2002 - 23:38:04 GMT-3
Gregg,
ILMI is for ATM as CDP is for other interfaces. Pls refer to following
techtip for more.
http://www.cisco.com/warp/public/121/ilmi.html
--- Gregg Malcolm <greggm@sbcglobal.net> wrote:
> Group,
>
> I'm renting some time on an ATM rack tonight and have a question
> about CDP.
> I'm having a hard time getting CDP to work. Has anyone else tried to
> use CDP
> on ATM int's ? For a little while, I was thinking it wasn't
> supported over
> ATM, but I was wrong. From CCO :
>
> <snip>
> CDP runs on all media that support Subnetwork Access Protocol (SNAP),
> including local-area network (LAN), Frame Relay, and Asynchronous
> Transfer
> Mode (ATM) physical media. CDP runs over the data link layer only.
> Therefore,
> two systems that support different network-layer protocols can learn
> about
> each other.
>
> So, I config'ed a PVC with aal5snap encap and CDP still does not find
> any
> neighbors. When I try to enable it on the ATM int, I get this error
> :
> "% CDP is not supported on this interface, or for this encapsulation
> " My
> interface is a multipoint which might be the reason.
>
> Any ideas ? I've found CDP to be a life saver when I don't know
> much about
> the remote device (when I remember to use it).
>
> Thanks, Gregg
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