Re: TCPDUMP filter for multicast

[Guy Harris <guy () alum mit edu>]

On Sat, Jun 19, 2004 at 10:35:54PM -0400, Ernest L. Williams Jr. wrote:
> Do I have to join the list? Looks like there is a post block on me at
> the moment.

You might have to join the list in order to be able to mail to it.  It's
not very high-volume....

> However, I am only getting address starting with 224.
> I would like to see my 239 guys as well. 

Try capturing with "ip net 239.0.0.0/8" - and see what the MAC addresses
are for those packets.  If they have multicast MAC addresses, "multicast
and not broadcast" *should* capture them, so there might be a bug
somewhere.
-
This is the tcpdump-workers list.
Visit https://lists.sandelman.ca/ to unsubscribe.