Re: OpenBGPd / Juniper 'bug' / BGP session flapping

2012-11-29 Thread Laurent CARON
On 29/11/2012 08:01, James Shupe wrote: I ran across this today after AboveNET upgraded some routers (I would have appreciated a maintenance notice...) I applied Claudio's patch and the sessions came back up and have been stable for the last half hour. I'll check back in if there are any issues.

Re: OpenBGPd / Juniper 'bug' / BGP session flapping

2012-11-28 Thread James Shupe
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 8/6/2012 4:15 PM, Claudio Jeker wrote: > On Mon, Aug 06, 2012 at 10:34:22PM +0200, Laurent CARON wrote: >> Hi, >> >> I'm hit by a rather nasty OpenBGPd 'bug' causing sessions to >> flap (basically go down/up/...). >> >> One of the prefixes is: 81.

Re: OpenBGPd / Juniper 'bug' / BGP session flapping

2012-08-08 Thread Laurent CARON
On Mon, Aug 06, 2012 at 11:15:13PM +0200, Claudio Jeker wrote: > I would prefer something like this. Since then we ensure that we do not > forward crap (as in we regard the RFC and send nothing with reserved bits > set). AFAIK there is nothing out there that started to use the reserved > bits so I'

Re: OpenBGPd / Juniper 'bug' / BGP session flapping

2012-08-07 Thread Laurent CARON
On Mon, Aug 06, 2012 at 11:15:13PM +0200, Claudio Jeker wrote: > Only compile tested for now. Hi Claudio, I did compile/install a patched version of OpenBGPd from the patch you provided. It seems stable so far. Will deploy it on 3 other boxes later on today. Cheers, Laurent

Re: OpenBGPd / Juniper 'bug' / BGP session flapping

2012-08-06 Thread Laurent Caron (Mobile)
Claudio Jeker a écrit : >I would prefer something like this. Since then we ensure that we do not >forward crap (as in we regard the RFC and send nothing with reserved >bits >set). AFAIK there is nothing out there that started to use the reserved >bits so I'm curious how that happend again. > >Onl

Re: OpenBGPd / Juniper 'bug' / BGP session flapping

2012-08-06 Thread Claudio Jeker
On Mon, Aug 06, 2012 at 10:34:22PM +0200, Laurent CARON wrote: > Hi, > > I'm hit by a rather nasty OpenBGPd 'bug' causing sessions to flap > (basically go down/up/...). > > One of the prefixes is: 81.169.0.0/17 > > Description of bug > https://puck.nether.net/pipermail/juniper-nsp/2012-July/0237

OpenBGPd / Juniper 'bug' / BGP session flapping

2012-08-06 Thread Laurent CARON
Hi, I'm hit by a rather nasty OpenBGPd 'bug' causing sessions to flap (basically go down/up/...). One of the prefixes is: 81.169.0.0/17 Description of bug https://puck.nether.net/pipermail/juniper-nsp/2012-July/023774.html Is the included fix (((s & 0xf0) & ~(ATTR_EXTLEN | (m))) == (t)) in