Re: MPLS Query !

From: Narbik Kocharians (narbikk@gmail.com)
Date: Fri Oct 17 2008 - 01:36:25 ART

Do you have reachability to the loopback?????

On Thu, Oct 16, 2008 at 6:59 PM, Scott Morris <
smorris@internetworkexpert.com> wrote:

> 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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-- 
Narbik Kocharians
CCSI#30832, CCIE# 12410 (R&S, SP, Security)
www.MicronicsTraining
www.Net-Workbooks.com
Sr. Technical Instructor

Blogs and organic groups at http://www.ccie.net

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