All things related to multicast

[Marshall Eubanks <>]

The worm certainly did generate multicast traffic in the wild, which 
would be expected to cause something
of a MSDP storm. Prashant at UCSB / Caida said he saw such a storm, I 
did not here.

Regards
Marshall

On Monday, February 3, 2003, at 09:42  AM, Don Salvin wrote:

> I know that here we had problems with certain switch vendor's equipment
> that seem to have been nailed by the traffic load presented by the worm.
> We have previously observed that said vendor's equipment has problems 
> with
> CPU load, probably from IGMP snooping, under some conditions which we 
> have
> not had time to track down precisely. The implication is that somehow 
> the
> worm generated significant multicast traffic under some undescribed
> condition, capable of swamping some switches.
>
> =Don
>
> Marshall Eubanks wrote:
> > Does anyone know why in detail the Sapphire worm response
> > created so many "Client ID only" entries on the beacon web view at
> >
> > http://beaconserver.accessgrid.org:9999/  ,
> >
> > who actually did this, and whether continuing to do it is a reasonable
> > response to the worm ?
> >
> > Note that sites like Montana.edu seem to be totally off the air now.
> >
> >                                   Regards
> >                                   Marshall Eubanks
> >
> > T.M. Eubanks
> > Multicast Technologies, Inc.
> > 10301 Democracy Lane, Suite 410
> > Fairfax, Virginia 22030
> > Phone : 703-293-9624       Fax     : 703-293-9609
> > e-mail : 
> >
> > http://www.multicasttech.com
> >
> > Test your network for multicast :
> > http://www.multicasttech.com/mt/
> >   Status of Multicast on the Web  :
> >   http://www.multicasttech.com/status/index.html
>
> --
> -------------------------------------------------------------------
> Don Salvin, Lead Network Engineer         Voice: 412-624-6418
> Computing Services & Systems Development  FAX:   412-624-4774
> University of Pittsburgh                  Email: 
>
> 3943 O'Hara Street, Room B3               http://www.pitt.edu/~dss
> Pittsburgh, PA 15260           Textpager: 

>

T.M. Eubanks
Multicast Technologies, Inc.
10301 Democracy Lane, Suite 410
Fairfax, Virginia 22030
Phone : 703-293-9624       Fax     : 703-293-9609
e-mail : 

http://www.multicasttech.com

Test your network for multicast :
http://www.multicasttech.com/mt/
 Status of Multicast on the Web  :
 http://www.multicasttech.com/status/index.html