From: Becky Qiang (becky.qiang@wincomsystems.com)
Date: Mon Sep 30 2002 - 21:45:30 GMT-3
If you just want to test the backup interface, why don't you encapsulate the
interface with another type, I am sure this will bring down the
interface...Becky
----- Original Message -----
From: "Adam Crisp" <adam.crisp@totalise.co.uk>
To: "Pieter Jordaan" <pieterj@is.co.za>; <ccielab@groupstudy.com>
Sent: Monday, September 30, 2002 4:31 AM
Subject: RE: How to shut a interface on a switch
> I think this is an Ethernet thing, the same happens on back ro back
Routers
> with a X-over cable
> I think it's because the devices don't close down the electrical carrier
> when admin shutting the interface and the electrical carrier is how the
> interface is determined up.
> I haven't tried it on a 3550, but I would imageing that the behavour is
the
> same!
>
> Adam
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> Pieter Jordaan
> Sent: 30 September 2002 11:45
> To: ccielab@groupstudy.com
> Subject: How to shut a interface on a switch
>
>
> Hi group
>
> I was wondering if any of you could answer this question.
>
> I have noticed on the 2924 and 2950 switches that when I shut an
interface,
> the router attached don't go into a down/down state. The link stays up.
>
> This could be a potential problem if you want to test for example, your
> backup interface command by shutting the port on the switch because the
> router interface doesn't go down.
>
> Does this also happen on the 3550 and if so, how would you test things in
> the lab if shutting down the switch interface doesn't shut/kill the link
> like on the cat5k
>
> TIA
>
>
>
>
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