[f-nsp] VLL & multiple vll-peer question

Mark Tees marktees at gmail.com
Wed Apr 19 05:53:07 EDT 2017


Hi Clement,

If I have understood correctly that sounds like a use case for an
RSVP-TE explicit path.

Assuming you're using LDP for your transport LSP's you would do a base
config for RSVP signalling across your MPLS core interfaces and
establish an explicit LSP along the path you want in either direction
possibly to fresh loopback IPs. Then signal the VLL to the fresh
loopbacks.

Mark




On 19 April 2017 at 16:37, Clement Cavadore <clement at cavadore.net> wrote:
> Hi all,
>
> I have plenty VLLs on my network, in a NSP context, where I have "end
> user sites" connected to third party telcos (one vlan per end-user).
> The end-users are the 3rd party telcos customers, not mine.
>
> I am trying to understand how could I secure the VLL termination on NSP
> side, and be able to have two connections with the 3rd party telco.
>
> For example, I'd like to have the following setup for a VLL:
> PE1 --> PE6,PE12 ... where PE1 is the end-user PE, and PE6 & PE12 are
> the 3rd party telco interconnection point with my network.
> I am using the following setup within my VLLs, on PE1, under MPLS
> context:
> ----
>  vll TELCO.ENDUSER vllid
>   vll-peer IP-PE6 IP-PE12
>   untag e x/y
> ----
>
> It is working, but... The question is: How could I choose which PE
> between 6 & 12 is the one in use in normal situation ?
> I have noticed that the lowest IP between both of the PE is in use, but
> I have no clue on how to force one to be the main, and another one to be
> backup. Changing the order of the PE IPs on the vll-peer line does not
> influence anything. Is there any way to do it ?
>
> Thanks,
>
> --
> Clément Cavadore
>
>
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-- 
Regards,

Mark L. Tees


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