On 12/19/2014 10:30 AM, thiyagarajan b wrote: > Hi everyone, > > I have a problem in iBGP between Cisco 7301 and juniper mx series router > where the BGP got flapped throwing the following error in cisco end: > > %BGP-3-NOTIFICATION: received from neighbor 119.227.0.65 3/9 (unsupported > option specified) 0 bytes > %BGP-5-ADJCHANGE: neighbor 119.227.0.65 Down BGP Notification received > > %BGP-3-NOTIFICATION: received from neighbor 119.227.0.65 6/5 (cease) 0 bytes > > and found the following log in juniper > > rpd[1296]: bgp_read_v4_update:9690: NOTIFICATION sent to 210.18.0.181 > (Internal AS 9583): code 3 (Update Message Error) subcode 9 (error with > optional attribute), Reason: peer 210.18.0.181 (Internal AS 9583) UPDATE - > NLRI inet6-unicast not negotiated > rpd[1296]: Received BAD update from 210.18.0.181 (Internal AS 9583), family > inet6-unicast(16), prefix 2a02:2158::/32 > > So is this problem caused by the prefix 2a02:2158::/32 because of it > invalid attribute? or is it because of any mismatch SAFI update between the > routers?
the error sounds like the peers negotiated afi/safi stuff for 'not ipv6 unicast' and then the peer stuffed a v6 nlri down the pipe to you... So, their implementation boarked up. _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp