From: kym blair (kymblair@xxxxxxxxxxx)
Date: Sat Apr 06 2002 - 08:25:16 GMT-3
I'm running 12.2(7a) Enterprise Plus and CDP is not supported on physical
ATM interfaces, nor on atm encap AAL5SNAP. I haven't tried others.
HTH, Kym
>From: "Gregg Malcolm" <greggm@sbcglobal.net>
>Reply-To: "Gregg Malcolm" <greggm@sbcglobal.net>
>To: <ccielab@groupstudy.com>
>Subject: CDP Neighbor on ATM int's
>Date: Fri, 5 Apr 2002 23:44:04 -0800
>
>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
This archive was generated by hypermail 2.1.4 : Thu Jun 13 2002 - 10:58:03 GMT-3