Is it an option to insert a device in between those two routers
for testing purpses?

        If it is, I think it would be relatively simple to make a simple
device that will act as an electrical switch, that could break the
connection. Connect this with some timer (we're talking relatively simple
electronics here + it could be computer controlled - see Linux Coffee-HOWTO
for details on this). and you can have what you need.

        Of course, this most probably violates cable standards/recommendations,
but this is what you want in the end - errors ;-)


Marko.

----- Original Message -----
>From: PING 
>To: [EMAIL PROTECTED]
>Date: Tue, 2 Apr 2002 15:41:23 -0500
>Subject: Carrier Lost [7:40230]
>
>If I have a setup:
>R1 (E3/3)-------------------------(E2/3) R2
>I want to make R1 think that it has lost the carrier as if I were
>pulling the cable
>out at R1 and this message should come up:
>1d02h: %AMDP2_FE-5-LOSTCARR: Ehernet3/3 cable/transceiver problem?
>
>A line flap by doing shut/no shut at R1 will not cause a carrier lost at
>R1.
>Also, administrative shutdown.is not the solution.
>I want to automate this because I need to do this repeatedly.
>Question: Is there any command or other way to cause this at R1 without
>jittering the cable?




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