> On 3 Jul 2015, at 12:25 am, Levi Pederson <levipeder...@mankatonetworks.net> > wrote: > > All, > > I've created simpler MPLS ring between a total of 6 MPLS 4550s. My > questions what IP do I use for the Label Switched Path Endpoints. I can't > seem to find a "best practice." > > Specifically this code > > Obfuscated as I'm a little to literal with my descriptions > > set protocols mpls label-switched-path PE2-to-PE1 to 10.254.1.1 > set protocols mpls label-switched-path PE2-to-PE3 to 10.254.1.6 > set protocols mpls label-switched-path PE2-to-PE4 to 10.254.0.4 > > > Do I use the /30 that exists between the Legs? > > Or should I use the LoopBack0 ? > > My thought would be Leg itself as it creates the path. But some documents > state LoopBack.
Always use loopbacks - if the link goes down (or the preceding node), the destination of the LSP goes with it - Junos will not maintain prefixes for downed interfaces. You mention this being a ring - if you target the LSP to a loopback, your IGP will provide an alternative path after a failure. Cheers, Ben _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp
