From: Stephen C. Feldberg (scfeldberg@xxxxxxxxxxx)
Date: Fri Dec 21 2001 - 11:57:46 GMT-3
You can fool a serial link (using HDLC, FR LMI will not go for this) into
staying up using a software loopback. This is implemented under interface
configuration mode with the loopback/no loopback commands. If you did not
implement this intentionally, perhaps you fatfingered a config statement -
check your running-config.
Steve
----- Original Message -----
From: "Annu" <annu_roopa@yahoo.com>
To: <ccielab@groupstudy.com>
Sent: Tuesday, December 18, 2001 2:51 PM
Subject: OSPF & Looped interface
> Group,
>
> While configuring OSPF and Virtual links one of my
> links kept going down due to the following
> reason.Anyone seen this and what could be the cause
> for it ?
>
> r10#show ip ospf int ser0
> Serial0 is up, line protocol is up (looped)
> Process ID 100, Router ID 193.1.1.1, Network Type
> POINT_TO_POINT, Cost: 64
>
> Annu.
>
> =====
> Thanks in advance for ur time and replies.
> Annu.
>
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