[c-nsp] Stranges with BGP

[Rodney Dunn]

Correct.

It appears you are hitting a different issue
and I haven't found a matching bug that matches
your configuration exactly.

Please open a TAC case on it.

Rodney

On Mon, Dec 13, 2004 at 08:49:49PM +0200, Alexey Luckyanchikov wrote:
> On Mon, 13 Dec 2004, Rodney Dunn wrote:
> 
> RD> That's becasue that was fixed way back in
> RD> 12.1T which made the base for 12.2 mainline
> RD> and 12.2 mainline (which had the fix already)
> RD> was the base for 12.2S.
> 
> Thank you. Is this mean that any IOS in 12.2S train do not have
> CSCdr54230?
> 
> RD> > BC> There's been more than one bug to do with this but perhaps this one 
> RD> > BC> applies,
> RD> > 
> RD> > BC> CSCdr54230 : BGP:attribute length truncated + command to limit AS_PATH 
> RD> > BC> size
> RD> > BC> 
> RD> > BC> Hope it helps,
> RD> > 
> RD> > Thank you, but I can't find in this bug any confirmation that 12.2S are
> RD> > affected.
> RD> > 
> RD> > BC> On Dec 13, 2004, at 12:29 PM, Alexey Luckyanchikov wrote:
> RD> > BC> 
> RD> > BC> >Hi.
> RD> > BC> >
> RD> > BC> >Today I observed strange flapping between two 7513. Log from one side
> RD> > BC> >(software version - 12.2(14)S9):
> RD> > BC> >Dec 10 23:05:24: %BGP-5-ADJCHANGE: neighbor 195.248.160.210 Up
> RD> > BC> >Dec 13 11:39:59: %BGP-5-ADJCHANGE: neighbor 195.248.160.210 Down BGP 
> RD> > BC> >Notification sent
> RD> > BC> >Dec 13 11:39:59: %BGP-3-NOTIFICATION: sent to neighbor 195.248.160.210 
> RD> > BC> >1/2 (illegal header length) 0 bytes
> RD> > BC> >Dec 13 11:40:29: %BGP-5-ADJCHANGE: neighbor 195.248.160.210 Up
> RD> > BC> >Dec 13 11:40:29: %BGP-5-ADJCHANGE: neighbor 195.248.160.210 Down BGP 
> RD> > BC> >Notification sent
> RD> > BC> >Dec 13 11:40:29: %BGP-3-NOTIFICATION: sent to neighbor 195.248.160.210 
> RD> > BC> >3/1 (update malformed) 31 bytes CA1A5B12 83000000 00D456E5 B1D45646 F5
> RD> > BC> >Dec 13 11:40:29: BGP: 195.248.160.210 Bad attributes FFFF FFFF FFFF 
> RD> > BC> >FFFF FFFF FFFF FFFF FFFF 0073 0200 0000 4540 0101 0240 0204 0201 21F2 
> RD> > BC> >4003 04C3 F8BF 9680 0404 0000 0000 4005 0400 0000 5AC0 0804 EC17 BDBA 
> RD> > BC> >CA1A 5B12 8300 0000 00D4 56E5 B1D4 5646 F5D4 56
> RD> > BC> >Dec 13 11:40:55: %BGP-5-ADJCHANGE: neighbor 195.248.160.210 Up
> RD> > BC> >Dec 13 11:43:56: %BGP-5-ADJCHANGE: neighbor 195.248.160.210 Down BGP 
> RD> > BC> >Notification sent
> RD> > BC> >Dec 13 11:43:56: %BGP-3-NOTIFICATION: sent to neighbor 195.248.160.210 
> RD> > BC> >4/0 (hold time expired) 0 bytes
> RD> > BC> >Dec 13 11:44:24: %BGP-5-ADJCHANGE: neighbor 195.248.160.210 Up
> RD> > BC> >Dec 13 12:08:05: %BGP-5-ADJCHANGE: neighbor 195.248.160.210 Down BGP 
> RD> > BC> >Notification sent
> RD> > BC> >Dec 13 12:08:05: %BGP-3-NOTIFICATION: sent to neighbor 195.248.160.210 
> RD> > BC> >1/2 (illegal header length) 0 bytes
> RD> > BC> >
> RD> > BC> >And from another (software version - 12.2(14)S10):
> RD> > BC> >Dec 13 11:39:59: %BGP-3-NOTIFICATION: received from neighbor 
> RD> > BC> >195.248.160.167 1/2 (illegal header length) 0 bytes
> RD> > BC> >Dec 13 11:39:59: %BGP-5-ADJCHANGE: neighbor 195.248.160.167 Down BGP 
> RD> > BC> >Notification received
> RD> > BC> >Dec 13 11:40:29: %BGP-5-ADJCHANGE: neighbor 195.248.160.167 Up
> RD> > BC> >Dec 13 11:40:29: %BGP-3-NOTIFICATION: received from neighbor 
> RD> > BC> >195.248.160.167 3/1 (update malformed) 31 bytes CA1A5B12 83000000 
> RD> > BC> >00D456E5 B1D45646 F5
> RD> > BC> >Dec 13 11:40:29: %BGP-5-ADJCHANGE: neighbor 195.248.160.167 Down BGP 
> RD> > BC> >Notification received
> RD> > BC> >Dec 13 11:40:55: %BGP-5-ADJCHANGE: neighbor 195.248.160.167 Up
> RD> > BC> >Dec 13 11:43:56: %BGP-3-NOTIFICATION: received from neighbor 
> RD> > BC> >195.248.160.167 4/0 (hold time expired) 0 bytes
> RD> > BC> >Dec 13 11:43:56: %BGP-5-ADJCHANGE: neighbor 195.248.160.167 Down BGP 
> RD> > BC> >Notification received
> RD> > BC> >Dec 13 11:44:24: %BGP-5-ADJCHANGE: neighbor 195.248.160.167 Up
> RD> > BC> >Dec 13 12:08:05: %BGP-3-NOTIFICATION: received from neighbor 
> RD> > BC> >195.248.160.167 1/2 (illegal header length) 0 bytes
> RD> > BC> >Dec 13 12:08:05: %BGP-5-ADJCHANGE: neighbor 195.248.160.167 Down BGP 
> RD> > BC> >Notification received
> RD> > BC> >Dec 13 12:08:35: %BGP-5-ADJCHANGE: neighbor 195.248.160.167 Up
> RD> > BC> >
> RD> > BC> >Manual session reset help - flapping stopped. I can't find any
> RD> > BC> >appropriate to this issue in Bug Navigator. Do you have any ideas about
> RD> > BC> >what it was?
> 
> -- 
> Sincerely,
> Alexey Luckyanchikov