Keegan, Look into add-path, something that is not supported in JUNOS yet, but will be sometime this year.
http://tools.ietf.org/html/draft-walton-bgp-add-paths-06 http://www.nanog.org/meetings/nanog48/presentations/Tuesday/Ward_AddPath_N48.pdf http://www.juniper.net/us/en/local/pdf/whitepapers/2000345-en.pdf -Zaid On Wed, Aug 10, 2011 at 13:02, Keegan Holley <keegan.hol...@sungard.com>wrote: > Not sure if others will have a better answer, but I don't think this is > possible. As far as I know BGP doesn't support multi-pathing so there > isn't > a way to have two next hops used for the same prefix. You might be able to > peer with a loopback address and use your IGP to create equal cost routes > to > the BGP loopback address. If you run mpls that obviously complicates > things > a bit. > > 2011/8/10 biwa net <biwa...@gmail.com> > > > Dear All > > > > I have a setup where I need to load balancing routes received from 2 RR > in > > IPV4 environment (not VPN-IPV4) > > > > I have my PE (let's called PE1) connected to 2 RR (cluster), my > > destination > > subnet eg: 10.1.1.1/24 is behind 2 PE (PE-2 and PE3) which are also > client > > of the same 2RR > > > > PE-2 and PE3 are sending the same route 10.1.1.1/24 to the RR , which > as > > per normal behavior is selecting the best route to PE1 , > > > > My issue is that RR is always advertising the route 10.1.1.1/24 through > > PE2 > > (due to lower router id) as best path and I would like to load balanced > it > > through PE2 and PE3 > > > > Anyone can recommend a way to load balance ? > > > > Unfortunately I dont have a lab to test any solution and there are live > > traffic on this ,so all I can do is guessing is whether the below 2 > option > > would work or not. > > > > 2 option I have > > > > 1.So here I am trying to thinking about testing the multipath command > under > > the RR configuration to see if I am receiving routes from both PE or not > , > > > > 2. try to put all devices them in routing instance VRF , with the BGP > > configuration under it (both RR and client) , and RD configured in the > VRF > > (but not putting any vpn family under bgp) so that it stays IPV4 routes , > > maybe I could cheat the RR to believe these are 2 differentes routes due > to > > the RD, but dont know if this works or not . > > > > anyone has had similar issue and found a workaround ? > > > > does the 2 option above actually work or not ? > > > > thanks for any input > > _______________________________________________ > > juniper-nsp mailing list juniper-nsp@puck.nether.net > > https://puck.nether.net/mailman/listinfo/juniper-nsp > > > > > _______________________________________________ > juniper-nsp mailing list juniper-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/juniper-nsp > _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp