On Mon, Jan 04, 2010 at 10:11:00PM +0100, Laurent CARON wrote: > Hi, > > Since I did update OpenBGPd (complete system update today), I did > notice a strange behavior: > > None of my eBGP sessions are being taken up wether IPv4 or IPv6 > > Jan 4 22:02:26 bgpgw-002 bgpd[9545]: neighbor 2001:470:14:98::1 > (he-ipv6-bgp-peer): received notification: error in OPEN message, AS > unacceptable > > Tcpdump output: > 22:05:53.890039 bgpgw-002.lncsa.com.29176 > > interco-bgp-nerim.lncsa.com.bgp: P 1:46(45) ack 1 win 65535: BGP > (OPEN: Version 4, AS #0, Holdtime 30, ID bgpgw-002.lncsa.com, Option > length 16 ((CAP MULTI_PROTOCOL [IPv4 Unicast], CAP ROUTE_REFRESH, > CAP AS4 #49463))) (DF) [tos 0xc0] [ttl 1] > 22:05:53.937168 interco-bgp-nerim.lncsa.com.bgp > > bgpgw-002.lncsa.com.29176: P 1:24(23) ack 46 win 16339: BGP > (NOTIFICATION: error OPEN Message Error, subcode Bad Peer AS) [tos > 0xc0] [ttl 1] > > The setup consists of two OpenBSD boxes (one running current from > last month, and the other one current from today). > > To have it running again I have to copy the old (running on last > month's current machine) bgpd bgpctl binaries to the "new" system > and kill both instances of bgpd > > Any clue ? >
Yes, please send me the config (bgpd -nvv output is OK) For some reasons your AS number is not set in the open. -- :wq Claudio