Re: [nsp] ATM interfaces...

From: Lincoln Dale (ltd@cisco.com)
Date: Sun May 26 2002 - 20:05:00 EDT


At 01:53 AM 27/05/2002 +0200, Dmitri Kalintsev wrote:
>On Sat, May 25, 2002 at 05:04:12PM +1000, Lincoln Dale wrote:
> > connect TX on one end to RX on the other and vice-versa.
> > configure one of the routers for "clocking internal".
>
>Could you please provide a bit more detail?
>
>- Router platforms that support this?
>- NM/PA's supporting this?
>- IOS feature set/version required?
>- Full snippet of a sample config?
>
>I can't seem to get anywhere near making this work using 7200VXR with ATM
>"WAN OC3 (SMI) Port adapter, 1 port" PA, running 12.2(7b) IP Plus image.

exact command is "atm clock internal". you apply it on the physical interface.
as a command, it first appeared in IOS 10.0.

i don't have at hand exactly what platforms support it, but a search on
www.cisco.com for "atm clock internal" shows that it is available at least
on all of:
  - PA-A1-OC3MM and PA-A1-OC3SM
  - PA-A2-*
  - PA-A3-*
  - NM-1A-OC3MM-1V, NM-1A-OC3SMI-1V and NM-1A-OC3SML-1V (Single port
OC-3/STM-1 ATM CES NM)
  - C10K OC-12 ATM LC
  - c5k WS-X5167 and WS-X5168 (ATM OC3 modules)
  - ATM CES on MC3810
.. and probably a whole bunch of others.

i've personally used it on an E3 ATM (coax) PA-A3 many many years ago in a
past life.

cheers,

lincoln.



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