Hi Alexandre, On Thu, Sep 30, 2010 at 7:17 PM, Alexandre Snarskii <s...@snar.spb.ru> wrote: > > Right question would be 'How do you exchange labels with your NSP?'. > Because if there are no such exchange your NSP will not know what to > do with MPLS packet entering his network and will just drop it at > ingress. > >> Is it too horrible to even contemplate? > > It's hardly possible without setting CsC with your NSP.
Right. Yes, I hadn't appreciated that the carrier's PE would need to handle labelled packets. It seems obvious now :-) > With L3VPN all you have is IP[v6] connectivity between your CE routers, > so the only way to run MPLS without NSP support is to run GRE tunnels > between your CE's and then run MPLS over these GRE tunnels. And, yes, > it is horrible: ethernet frame passing your pseudowire will become > ethernet over MPLS over GRE over IP over MPLS over ethernet with terrific > overhead and lots of MTU issues :) OK, yeah. It sounds .. sub-optimal .. but now that I have some more key words / concepts to search for, I'm getting the impression it's not an uncommon configuration, especially as it seems J does not support L2TPv3. Cheers, Dale _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp