Thanks Bob. I think I did try that along the way and it gave me some odd results but I didn't look too close. I'll give it another shot.
Thank for the help. Neil On 15 March 2012 14:40, Bob McCouch <[email protected]> wrote: > Oh, yeah, there ya go... It's the little details, right? > > You could, however, use the other hidden command "bgp bestpath as-path > ignore" to allow multipath over your topology with differing AS_PATH > lengths. > > > > On Thu, Mar 15, 2012 at 10:37 AM, Neil O'Brien <[email protected]> wrote: > >> Actually guys - my apologies. >> >> I've just realised the AS Paths still need to be the same length. The >> aspath-relax command is just used when the paths are not identical. >> >> Thanks, >> Neil >> >> >> >> On 15 March 2012 14:14, Neil O'Brien <[email protected]> wrote: >> >>> Should have mentioned I have that configured as well. >>> >>> IOS: c3640-js-mz.124-25d >>> >>> R1#sh run | se bgp >>> router bgp 5500 >>> no synchronization >>> bgp log-neighbor-changes >>> bgp bestpath as-path multipath-relax >>> redistribute connected route-map REDIST >>> neighbor 2.2.2.2 remote-as 5500 >>> neighbor 2.2.2.2 update-source Loopback0 >>> neighbor 3.3.3.3 remote-as 5500 >>> neighbor 3.3.3.3 update-source Loopback0 >>> maximum-paths ibgp 2 >>> no auto-summary >>> R1# >>> >>> R1#sh ip bgp 101.0.0.1 >>> BGP routing table entry for 101.0.0.1/32, version 5 >>> Paths: (2 available, best #2, table Default-IP-Routing-Table) >>> Multipath: iBGP >>> Flag: 0x820 >>> Not advertised to any peer >>> 777 911 711 >>> 2.2.2.2 (metric 65) from 2.2.2.2 (2.2.2.2) >>> Origin incomplete, metric 0, localpref 100, valid, internal >>> 777 711 >>> 3.3.3.3 (metric 65) from 3.3.3.3 (3.3.3.3) >>> Origin incomplete, metric 0, localpref 100, valid, internal, best >>> R1# >>> >>> R1#sh ip route 101.0.0.1 >>> Routing entry for 101.0.0.1/32 >>> Known via "bgp 5500", distance 200, metric 0 >>> Tag 777, type internal >>> Last update from 3.3.3.3 00:00:35 ago >>> Routing Descriptor Blocks: >>> * 3.3.3.3, from 3.3.3.3, 00:00:35 ago >>> Route metric is 0, traffic share count is 1 >>> AS Hops 2 >>> Route tag 777 >>> >>> R1# >>> >>> On 15 March 2012 13:52, Bob McCouch <[email protected]> wrote: >>> >>>> And you have 'maximum-paths ibgp <number>' (remembering the IBGP >>>> keyword)? >>>> >>>> I didn't know about that hidden multipath-relax command. Thanks for >>>> that. >>>> >>>> On Thu, Mar 15, 2012 at 9:17 AM, Neil O'Brien <[email protected]>wrote: >>>> >>>>> Hey Guys, >>>>> >>>>> Just wondering if anyone has had any trouble getting iBGP Multipath to >>>>> work >>>>> in GNS3. I'm using "bgp bestpath as-path multipath-relax" but can't >>>>> seem >>>>> to get it to work. My iBGP router still see's both paths but only >>>>> installs one next hop into routing table. All metrics except as-path >>>>> are >>>>> the same. >>>>> >>>>> It's just a quick question, if people have it working then I'm missing >>>>> something? >>>>> >>>>> Thanks, >>>>> Neil >>>>> _______________________________________________ >>>>> For more information regarding industry leading CCIE Lab training, >>>>> please visit www.ipexpert.com >>>>> >>>>> Are you a CCNP or CCIE and looking for a job? Check out >>>>> www.PlatinumPlacement.com >>>>> >>>>> http://onlinestudylist.com/mailman/listinfo/ccie_rs >>>>> >>>> >>>> >>> >> > _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com http://onlinestudylist.com/mailman/listinfo/ccie_rs
