From: cannonr (cannonr@xxxxxxxxx)
Date: Fri Aug 09 2002 - 23:34:41 GMT-3
Joseph,
As long is one side is DTE and the other is DCE, you can enable frame-relay.
On the side that is configured to be a frame-relay switch, you will need the
following command.
frame-relay intf-type dce
This works even if the switch side is a DTE interface. You would set the
clockrate on the side that has the actual DCE interface and set the
frame-relay intf-type to DCE on the DTE frame switch side.
I have a 7200 with an 8 port serial that uses the Octal cable (DTE) as my
frame-switch. I am using DCE cables on my 2500/2600's and it works fine.
Royce
----- Original Message -----
From: "Joseph Rinehart" <jjrinehart@hotmail.com>
To: <ccielab@groupstudy.com>
Sent: Friday, August 09, 2002 12:30 AM
Subject: Simulated T1 and Frame Relay DCE
> Grettings fellow pilgrims (or fellow suffers or whatever).
>
> I was able to solve my V.35 back to back challenge but I have a new one to
ask
> about. All the literature I have looked over says that you need to use
the
> DCE end of the Serial crossover cable to simlate a frame relay switch. I
have
> one serial link that is two v.35 DTE/male cables going to two T1 CSU's.
These
> CSU's are in turn hooked up by a T1 crossover cable. In this particular
case
> I have a fully simulated T1 but I am not sure if I can still use that to a
> simulated Frame switch and have it work.
>
> Here is the basic topology:
>
> Cisco 7000 (frame switch)
>
> S2/0 DCE to 2501-1 DTE (Serial 0)
> S2/1 DCE to 2501-2 DTE (Serial 0)
> S2/2 DTE to CSU to CSU to 2501-3 DTE (Serial 0)
> S2/5 DCE to 7010 DTE (Serial 2/0)
>
> (as a side note I have all the Serial 1's of the 2501's to the 7010 with
> crossover cables).
>
> Will I be able to use the simulated T1 for a simulated frame connection or
> will it not work?
>
> Joe Rinehart
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