[rbak-nsp] SE100 - BGP Session failure - maybe bug?

Michael J. Gage mgage at localtel.net
Wed Feb 12 11:10:49 EST 2014


I have run into this issue with both SE800 & SE400 chassis running various versions of SEOS.
We had to update the SEOS we were running on each of the affected units.

Our two production versions that I know do not have this issue are:
SEOS-6.1.5.7p5-Release (for classic copper cards)
SEOS-11.1.2.5p2-Release (for modern cards)

I do not know which versions are vulnerable and which ones are not between the branches.
I just know that they two we use have this vulnerability fixed.

Michael J. Gage
Network Operations Manager
LocalTel Communications

From: redback-nsp [mailto:redback-nsp-bounces at puck.nether.net] On Behalf Of Jarek Jarzebowski
Sent: Wednesday, February 12, 2014 5:59 AM
To: redback-nsp at puck.nether.net
Subject: [rbak-nsp] SE100 - BGP Session failure - maybe bug?


Hello
since yesterday I have problem with BGP session on SE100.
Log says:

Feb 12 13:34:39: [0001]: %BGP-6-INFO: 111.222.333.444 DOWN - Notification sent
Feb 12 13:34:39: [0001]: %BGP-6-INFO: 111.222.333.444 send NOTIFICATION: 3/5 (update: attribute length error) with 1336 byte data. mxReadMs=24786
BGP session flaps all the time.
I suppose that SE100 receives some attribiute that crashes BGP session down.
Have you met this problem and can you give some hint?
Ahh. SEOS version:

Redback Networks SmartEdge OS Version SEOS-6.5.1.5-Release
Built by sysbuild at SWB-node07 Fri May 4 15:54:19 PDT 2012
Copyright (C) 1998-2012, Redback Networks Inc. All rights reserved.
System Bootstrap version is PowerPC,rev2.0.1.4
Installed minikernel version is 2.7

Regards.
Jarek
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