[c-nsp] MPLS-TE on ME3600

dip diptanshu.singh at gmail.com
Wed Nov 19 20:03:29 EST 2014


Aaron,

I do not have knowledge on what exactly your topology look like so shooting
in the dark .

Is your TE Tunnel from PE(ME 3600) to P router  i.e. case 2 in the below
link?

http://www.cisco.com/c/en/us/support/docs/multiprotocol-label-switching-mpls/mpls/29828-mplsvpnte.html#case2


Thanks
Dip

On Wed, Nov 19, 2014 at 1:22 PM, Aaron <aaron1 at gvtc.com> wrote:

> Wow that was interesting.  Cisco TAC just informed me that when an MPLS TE
> Tunnel exists on an ME3600 that is also acting as a PE for vrf traffic that
> you want to flow via the tunnel, you must add "mpls ip" to the tunnel
> interface.
>
> That's it.  That fixed my problem.
>
> Does anyone know where to read about that issue ?  Online in someone's
> website ?  Or cisco.com ?  The TAC seemed to think there wasn't going to
> be
> a document that explained something like that.   :|
>
> Aaron
>
>
>
> -----Original Message-----
> From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
> Aaron
> Sent: Tuesday, November 18, 2014 7:37 AM
> To: cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] MPLS-TE on ME3600
>
> I have what I believe is a MPLS TE config between an me3600 and asr9k.
>
>
>
> When I no shut the tunnel interface (bring the tunnel up) on the ME3600,
> routing breaks to subnets located on me3600 in vrf "one".  If I shut the
> tunnel interface on the asr9k, routing to me3600 subnets is still broken ,
> but when I shut the tunnel interface on the me3600, routing is restored.
> It
> seems that the packets entering the tunnel at the me3600 is where the
> problem is, but that's just me guessing at this point.
>
>
>
> Is there something I should look for as to why this is occurring ?   .or
> can
> I copy/paste some output to you all so you can help me determine why this
> is
> occurring?
>
>
>
> Thanks
>
> Aaron
>
>
>
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