This sounds to me as if your multi-ebgp-hops environment should use something like confederations?
On Thu, Mar 10, 2016 at 11:56 PM Antoine Monnier <[email protected]> wrote: > neighbor (ip) allowas-in > but be careful of routing loops > > On Thu, Mar 10, 2016 at 5:38 PM, james list <[email protected]> wrote: > > > Dear experts > > I've a BGP question. I've a router peering with a customer of mine, plain > > EBGP no MPLS, see following chain as example: > > > > myroutera --ebgp-- myrouterB --ebgp-- myrouterC --ebgp-- mycustomerA > > --ebgp-- mycustomer_BGP_worldwide_network > > > > Between myrouterX I use EBGP with private AS, now I've mycustomerA router > > that in its BGP path is injecting to me a private AS already present in > my > > network and I'm getting routes discarded for that at the end of the > chain. > > > > I tried to use: > > > > - remove_private_as on myrouterC towards my network in egress but it > seems > > that it's able to remove only if there are private as in the path and at > > the first not private stop removing; > > - as_override but it works only under a vrf environment and it's not the > > case > > > > I'm wondering if you see another solution, I'm thinking to a route-map > that > > "match" as-path or network and then a "set" of AS path in the egress > > session among myrouterC and myrouterB, > > but I do not see it very scalable and manageble... > > > > Any idea if I'm correct or other solutions you see ? > > > > Cheers > > James > > _______________________________________________ > > cisco-nsp mailing list [email protected] > > https://puck.nether.net/mailman/listinfo/cisco-nsp > > archive at http://puck.nether.net/pipermail/cisco-nsp/ > > > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
