Thanks for responses on this everyone.
I went ahead with VRF. On Sun, Oct 6, 2013 at 12:26 AM, Fred Reimer <frei...@freimer.org> wrote: > I would need to lab it up, but assuming a MPLS core, can't you do a TE > tunnel from the source to the desired egress router? > > On 10/5/13 2:43 PM, "Christopher Morrow" <morrowc.li...@gmail.com> wrote: > > >On Sat, Oct 5, 2013 at 2:08 PM, joel jaeggli <joe...@bogus.com> wrote: > >> > >> On Oct 5, 2013, at 9:45 AM, Christopher Morrow > >><morrowc.li...@gmail.com> wrote: > >> > >>> you really don't want to do policy routing :( > >>> > >> > >> PBR has this tendency to be brittle in the face of topology changes. > > > >yup, exactly my point :( > > > >> There are much better way to outbound load-balance between providers > >>offering same or similar quality routes to the same destination. > >> > >> multi-AS multipath will do that if the peers are on the same router. > >>BGPaddpath > >> can do it for you if the peers are spread across routers. > > > >these both will require seeing the longer prefix from the right peer > >though, right? and selecting that would just be like natural selection > >anyway... > > > >yikes, I suppose you could: > > 1) generate the longer prefix internally > > 2) set it's next-hop to something reachable out both (all) peers > > 3) metric the preferred peer's next-hop appropriately > > 4) profit > > > >but that sounds also kind of messy and prone to odd failures when > >changes are made :( > >you'd be adding complexity that you'd have to track through the life > >of your network :( (and explain to anyone 'not you' working on the > >network) > > > >-chris > > > >> joel > >> > >>> On Sat, Oct 5, 2013 at 12:19 PM, Anurag Bhatia <m...@anuragbhatia.com> > >>>wrote: > >>>> Hello there! > >>>> > >>>> > >>>> I am trying to do a source based outbound routing between multiple > >>>> upstreams. Usually I picked outbound via localpref but here I wish to > >>>>use > >>>> Provider 1 for say 10.10.10.0/24 while provider 2 for small chunk of > >>>>it say > >>>> 10.10.10.0/28. I wish to keep failover support and thus so if > >>>>provider 2 > >>>> fails, I wish to push traffic again via Provider 1. > >>>> > >>>> Is this is possible only with VRF or I can push for some specific > >>>>match > >>>> rule in route maps? > >>>> > >>>> > >>>> > >>>> Thanks. > >>>> > >>>> -- > >>>> > >>>> > >>>> > >>>> Anurag Bhatia > >>>> anuragbhatia.com > >>>> > >>>> Linkedin <http://in.linkedin.com/in/anuragbhatia21> | > >>>> Twitter<https://twitter.com/anurag_bhatia> > >>>> Skype: anuragbhatia.com > >>> > >> > > > > > -- Anurag Bhatia anuragbhatia.com Linkedin <http://in.linkedin.com/in/anuragbhatia21> | Twitter<https://twitter.com/anurag_bhatia> Skype: anuragbhatia.com
