From: Scott Morris (smorris@internetworkexpert.com)
Date: Thu Oct 16 2008 - 22:59:24 ART
I'd consider that it's either a peer that you are not exchanging LDP with
(got the route but no associated tag) or perhaps you are exchanging LDP with
the neighbor but just not for that FEC.
What does your configuration of the various routers look like?
Scott
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Ovais Iqbal
Sent: Thursday, October 16, 2008 11:31 AM
To: ccielab@groupstudy.com
Subject: MPLS Query !
hi all, how are you, i just have a simple MPLS query see i have 3 routers
connected serially to each other.
on R1 what i did, i made a loopback, a serial interface serial 1/0 with no
keepalive to take it to up state and another serial link serial 1/2
connected to R2.
I just enabled mpls ip on serial connected to R2 and ran ospf on all
links.This is wat i got when i ran show mpls forwarding-table on R1
for loopback my outgoing label or vc was UNTAGGED !!!!!
for my serial (no keepalive) it was POP TAG !!! Why is that so ??
where will i see untagged ?? i heard someone saying that we will see
untagged on interface that are not running mpls, but i m not running mpls on
serial1/0 then why am i seeing pop tag on serial 1/0 ?? shouldnt it be
UNTAGGED ?
Kindly clear my confusion ? pls explain me when i should be seeing untagged
and when pop tag, i am a totally new bie so pls explain Thanks
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