On 15/10/2013, at 12:47 PM, CiscoNSP List <[email protected]> wrote: > Hi, > > Have 2 BGP peers with upstreams(full tables from each) on an ASR1000, and we > are seeing asymmetric routing for an AS (and /24) - Customer believes this is > causing performance issues. > > Egress traffic to this AS + /24 is going via upstream A (As it only has 3 > AS's - Upstream B has 4 AS's to this destination), but return traffic is > coming in via upstream B. > > What is the best method to prefer upstream B egress (For AS or /24)? (But > still maintain redundancy if upstream B should go down)?
How about using a route-map on the upstream B peer to set a higher local-preference for that originating AS (using a as-path access-list) or prefix (using an ip prefix-list)? Tom _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
