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

[Dan Snyder]

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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