RE: MPLS TE router-id

Hi Rich,

Did you enable LDP on the tunnel?
Rin

-----Original Message-----
From: Rich Collins [mailto:nilsi2002_at_gmail.com]
Sent: Tuesday, June 23, 2009 3:51 AM
To: Rin
Cc: Cisco certification
Subject: Re: MPLS TE router-id

Yes I was using lo0 for the MP-BGP peering.

On Mon, Jun 22, 2009 at 10:18 AM, Rin<rintrum_at_gmail.com> wrote:
> Hi Rich,
>
> What is you topo? Are you using lo0 for MP-BGP peering?
> Thanks
> Rin.
>
> -----Original Message-----
> From: Rich Collins [mailto:nilsi2002_at_gmail.com]
> Sent: Sunday, June 21, 2009 12:45 AM
> To: Rin
> Cc: Cisco certification
> Subject: Re: MPLS TE router-id
>
> Hi Rin,
>
> I just tried the bgp vpnv4 routes and noticed that I could not ping
> through the tunnel when it used loop1.
>
>
> If you try this you see that only one tag is imposed and not two as
> expected. Perhaps there are other clues why this is not working.
>
> PE1#sh ip cef vrf A 45.45.45.0 detail
> 45.45.45.0/24, version 11, epoch 0
> 0 packets, 0 bytes
> tag information set
> local tag: VPN-route-head
> fast tag rewrite with
> Recursive rewrite via 2.2.2.2 0x20, tags imposed {21}
> via 2.2.2.2, 0 dependencies, recursive
> next hop 20.2.2.2, Tunnel0 via 2.2.2.2/32
> valid adjacency
> tag rewrite with
> Recursive rewrite via 2.2.2.2 0x20, tags imposed {21}
>
>
> -Rich
>
> On Sat, Jun 20, 2009 at 10:39 AM, Rich Collins<nilsi2002_at_gmail.com> wrote:
>> Hi,
>>
>> I searched the Cisco site and found this:
>>
>>
>
http://www.cisco.com/en/US/docs/ios/mpls/configuration/guide/mp_te_expl_addr
> ess.html
>> ..........................
>>
>> tunnel destination ip-address
>> Example:
>>
>> Router(config-if)# tunnel destination 10.11.11.11
>>
>>
>> Specifies the destination for a tunnel.
>>
>> The destination of the tunnel must be the MPLS traffic engineering
>> router ID of the destination device.
>>
>>
>> -----------------------------
>>
>> So in your example you could change the mpls traffic-eng router-id to
>> lo1 on R3 and it would work. The R1 tunnel source ip address could be
>> either lo0 or lo1.
>>
>> -Rich
>>
>> On Fri, Jun 19, 2009 at 5:52 AM, Rin<rintrum_at_gmail.com> wrote:
>>> Hi group,
>>>
>>>
>>>
>>> I have this scenario: R1----R2----R3
>>>
>>> All routers are in the same area and configured with ISIS. Loopback 0 &
>>> loopback 1 are created on R1 & R3. All interface are advertised into
ISIS
>>> (include lo0 & lo1). I create a MPLS TE tunnel (R1-->R2-->R3) on R1. The
>>> MPLS TE router-id is the loopback 0 on each router.
>>>
>>> Case 1: If the tunnel source & destination set to lo0, the tunnel is UP.
>>>
>>> Case 2: If the tunnel source & destination set to lo1, the tunnel is
> DOWN.
>>>
>>> My explicit-path pointing to lo0 in case 1 & lo1 in case 2
>>>
>>> So what is the relationship between router-id and the source IP,
>>> destionation of the MPLS TE tunnel?
>>>
>>> Thanks.
>>>
>>> Rin.
>>>
>>>
>>> Blogs and organic groups at http://www.ccie.net
>>>
>>> _______________________________________________________________________
>>> Subscription information may be found at:
>>> http://www.groupstudy.com/list/CCIELab.html

Blogs and organic groups at http://www.ccie.net
Received on Tue Jun 23 2009 - 08:31:52 ART