[alcatel-nsp] TE tunnel between PE and P device when providing MPLS services

B Dog deadheadblues at gmail.com
Fri Aug 13 18:55:40 EDT 2010


Excellent Dan. Thank you, I will test this tomorrow!

On Fri, Aug 13, 2010 at 3:46 PM, Dan Snyder <sliplever at gmail.com> wrote:
> It sounds like you are looking at case two in the Cisco link that you
> provided, where PE2's loopback is learned by PE1 from an LDP message that is
> sent from P2.  Is this the scenario you are talking about?  If it is then
> this is LDPoverRSVP. Based on the cisco example here is what your configs
> might look like-
> P2's config:
> A:P2>config>router>ldp# info
> ----------------------------------------------
>             prefer-tunnel-in-tunnel
>             interface-parameters
>                 interface "to-PE2"
>                     shutdown
>                 exit
> targeted-session
>                 peer 10.2.2.2
>                     tunneling
>                         lsp "to-PE1"
>                     exit
>                 exit
>
> PE1's config:
> A:P2>config>router>ldp# info
> ----------------------------------------------
>             prefer-tunnel-in-tunnel
> targeted-session
>                 peer 10.5.5.5
>                     tunneling
>                         lsp "to-P2"
>                     exit
>                 exit
>
> Hope this helps-
> Dan
> On Fri, Aug 13, 2010 at 5:27 PM, B Dog <deadheadblues at gmail.com> wrote:
>>
>> Hello,
>>
>> Consider the topology:
>>
>> CE1--PE1--P1--P2--PE2--CE2
>>
>> And an MPLS-TE tunnel exists between PE1 and P2 (no LDP on this path)
>>
>> In the Cisco world we must enable LDP on the tunnel when it does not
>> terminate at the egress PE.
>> (For more info, read here:
>>
>> http://www.cisco.com/en/US/tech/tk436/tk428/technologies_tech_note09186a0080125b01.shtml)
>>
>> Is there a similar configuration in Alcatel SR OS?
>> I have been reading the guides, but can't seem to make sense of what I
>> am reading.
>> Is this called LDP over RSVP?
>> Can anyone provide an example?
>>
>> Thank you.
>> _______________________________________________
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>> alcatel-nsp at puck.nether.net
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>
>



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