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Re: MSDP instability today


Chronological Thread 
  • From: Matthew Davy <>
  • To: Marshall Eubanks <>
  • Cc: Al Adler <>,
  • Subject: Re: MSDP instability today
  • Date: Sun, 14 Jan 2001 13:19:32 -0500


Yep, I was just going through the logs from my MSDP listener and
saw that between 12:00 and 12:05 141.142.12.1 sent almost 50k
SA's. It sent >70k SA's during between 01:17 and 01:25.

In both cases the MSDP session to my Solaris box dropped so
I'm not sure how long the storms of SA's continued.

Hmmm, maybe MSDP SA's should be rate-limited ;-)

- Matt



On Sun, Jan 14, 2001 at 01:15:59PM -0500, Marshall Eubanks wrote:
>
>
> Matthew Davy wrote:
> >
> > We've seen at least two periods of massive instability with MSDP today.
> > One
> > around 01:30 EST and one around 12:10 EST. All of our routers reported
> > multiple CPUHOG errors relating to MSDP and were running out of memory.
> > My
> > first guess would be a loop or someone just sending a whole ton of SA's.
> >
> > Just wondering if anyone else saw this...
> >
> > - Matt
> >
> > --
> > --------------------
> > Matthew Davy
> >
> > 812-855-7728
> > Network Engineer
> > Indiana University
> > Abilene NOC
> > --------------------
>
> We have been getting lots of
>
> %PIM-6-SA_ENCAP_INVALID: Bad SA from RP 141.142.12.1
>
> messages. That IP is at the NCSA.
>
>
> Regards
> Marshall Eubanks
>
>
> Multicast Technologies, Inc.
> 10301 Democracy Lane, Suite 201
> Fairfax, Virginia 22030
> Phone : 703-293-9624 Fax : 703-293-9609
> e-mail :
>
> http://www.on-the-i.com
>

--
--------------------
Matthew Davy


812-855-7728
Network Engineer
Indiana University
Abilene NOC
--------------------




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