Hi. Try to disable rp_filter first.
On Tue, Apr 24, 2018 at 5:16 PM, knet solutions <knetsolutio...@gmail.com> wrote: > > All, > > I am facing a strange issue (all routers are linux with bird runnning). > My topology(RING Topology) is as below, > > > R1 ------------R2------------R3---------R4 > > BGP is running on all nodes. > > R1 to R3 route is going via R1--R2--R3 and the return path is in also in > same path (R3--R2----R1), then thing works fine > > But suppose, > > R1 to R3 path is R1---R2---R3 and return path is R3----R4---R1. then > traffic is not passing. > > Any configurations i should do in linux ? > > -- > > *Regards, * > > *Suresh* > *Knet solutions.* > > https://github.com/knetsolutions/KNet > http://knet-topology-builder.readthedocs.io/ > http://knetsolutions.in/ > >