The BGP session is under VRF. The next hop must be reachable from the VRF. Is loopback1 reachable by neighbor? Is loopback1 in VRF?
-Judy --- On Fri, 12/28/12, John Neiberger <[email protected]> wrote: > From: John Neiberger <[email protected]> > Subject: Re: [c-nsp] ASR9k: BGP state = Idle (No route to multi-hop neighbor) > To: "Jason Lixfeld" <[email protected]> > Cc: "<[email protected]> NSP" <[email protected]> > Date: Friday, December 28, 2012, 10:34 PM > I'm still a noob to this sort of > configuration, so I just have a question. > Does it matter that the next hop is in the default global > table and not in > the VRF? > > John > > > On Fri, Dec 28, 2012 at 2:58 PM, Jason Lixfeld <[email protected]> > wrote: > > > Hi there, > > > > > > Unless I'm doing something really silly, I can't seem > to get a multi-hop > > ebgp session up on an ASR9k. I'm wondering if > anyone can spot something I > > might have overlooked or am just not aware of : > > > > The neighbor reports: > > > > BGP state = Idle (No route to multi-hop neighbor) > > > > Which is odd because there is a route for this in the > BGP table already. > > It's pingable, etc. > > > > RP/0/RSP0/CPU0:asr9k#show route vrf Inetv4 1.1.1.254 > > Fri Dec 28 16:49:58.718 EST > > > > Routing entry for 1.1.1.252/30 > > Known via "bgp 1", distance 200, > metric 1, type internal > > Installed Dec 21 16:54:49.859 for > 6d23h > > Routing Descriptor Blocks > > 2.2.2.2, from 3.3.3.3 > > Nexthop in Vrf: > "default", Table: "default", IPv4 Unicast, Table Id: > > 0xe0000000 > > Route metric is 1 > > No advertising protos. > > RP/0/RSP0/CPU0:asr9k# > > > > ! > > router bgp 1 > > vrf Inetv4 > > neighbor 1.1.1.254 > > remote-as 65535 > > ebgp-multihop 255 > > update-source Loopback1 > > ignore-connected-check > > address-family ipv4 unicast > > remove-private-AS > > ! > > ! > > ! > > ! > > > > RP/0/RSP0/CPU0:asr9k#sh bgp vrf Inetv4 neighbors > 1.1.1.254 > > Fri Dec 28 16:47:11.630 EST > > > > BGP neighbor is 1.1.1.254, vrf Inetv4 > > Remote AS 65535, local AS 1, external link > > Remote router ID 0.0.0.0 > > BGP state = Idle (No route to > multi-hop neighbor) > > Last read 00:00:00, Last read before > reset 00:00:00 > > Hold time is 180, keepalive interval > is 60 seconds > > Configured hold time: 180, keepalive: > 60, min acceptable hold time: 3 > > Last write 00:00:00, attempted 0, > written 0 > > Second last write 00:00:00, attempted > 0, written 0 > > Last write before reset 00:00:00, > attempted 0, written 0 > > Second last write before reset > 00:00:00, attempted 0, written 0 > > Last write pulse rcvd not set > last full not set pulse count 0 > > Last write pulse rcvd before reset > 00:00:00 > > Socket not armed for io, not armed for > read, not armed for write > > Last write thread event before reset > 00:00:00, second last 00:00:00 > > Last KA expiry before reset 00:00:00, > second last 00:00:00 > > Last KA error before reset 00:00:00, > KA not sent 00:00:00 > > Last KA start before reset 00:00:00, > second last 00:00:00 > > Precedence: internet > > Graceful restart is enabled > > Restart time is 120 seconds > > Stale path timeout time is 360 > seconds > > Enforcing first AS is enabled > > Multi-protocol capability not > received > > Received 0 messages, 0 notifications, > 0 in queue > > Sent 0 messages, 0 notifications, 0 in > queue > > Minimum time between advertisement > runs is 0 secs > > > > For Address Family: IPv4 Unicast > > BGP neighbor version 0 > > Update group: 0.6 Filter-group: > 0.0 No Refresh request being processed > > eBGP neighbor with no inbound or > outbound policy; defaults to 'drop' > > Private AS number removed from updates > to this neighbor > > AF-dependent capabilities: > > Graceful Restart capability > advertised > > Local restart time is > 120, RIB purge time is 600 seconds > > Maximum stalepath time > is 360 seconds > > Route refresh request: received 0, > sent 0 > > 0 accepted prefixes, 0 are bestpaths > > Cumulative no. of prefixes denied: 0. > > Prefix advertised 0, suppressed 0, > withdrawn 0 > > Maximum prefixes allowed 1048576 > > Threshold for warning message 75%, > restart interval 0 min > > An EoR was not received during > read-only mode > > Last ack version 0, Last synced ack > version 0 > > Outstanding version objects: current > 0, max 0 > > Additional-paths operation: None > > > > Connections established 0; dropped 0 > > Local host: 0.0.0.0, Local port: 0 > > Foreign host: 1.1.1.254, Foreign port: > 0 > > Last reset 00:00:00 > > External BGP neighbor may be up to 255 > hops away. > > RP/0/RSP0/CPU0:asr9k# > > > > Thanks in advance. > > _______________________________________________ > > 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/
