This should help.
http://www.cisco.com/en/US/tech/tk713/tk584/technologies_tech_note09186a0080
0a754b.shtml
-Original Message-
From: Priscilla Oppenheimer [mailto:[EMAIL PROTECTED]
Sent: Friday, February 21, 2003 1:00 PM
To: [EMAIL PROTECTED]
Subject: RE: Loopback Testing [7:63515]
Do
Yes it has a BuiltIn CSU/DSU
--
Curious
MCSE, CCNP
""Priscilla Oppenheimer"" wrote in message
news:[EMAIL PROTECTED]
> Do the routers have built-in CSU/DUSs? That makes a difference.
>
> Priscilla
>
> Curious wrote:
> >
> > I want to do a loopback testing between my router and a remote
> > rout
Actually, Frame Relay switches don't forward the loop messages received on
local
port to the remote port. You can only loop between each end router and it's
local
Frame Relay switch. So, unless this is a cross-over simulation, you won't be
able to achieve end-to-end loop. So, you can do loopback te
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