Do we ever want to bind more than 8 multicast MAC addresses?

Polychronis Ypodimatopoulos ypod at
Fri Apr 18 11:43:24 EDT 2008

Is it possible to associate shared activities with ethernet ports 
instead of whole multicast addresses? Then we would only need one single 
multicast address and do the filtering on the ethernet ports (eg IP is 
port 0x0800). At the very least, the multicast address is 6 bytes and 
the ethernet port is 2 bytes.


David Woodhouse wrote:
> On Fri, 2008-04-18 at 10:58 -0400, Ricardo Carrano wrote:
>> Mmm, if the driver says it is 32 and the firmware only allows for 8,
>> we have a problem, don't we? ;-)
> Indeed. Do we know which versions of firmware support which numbers of
> addresses? Remember, this driver handles lots of devices, some with
> non-mesh firmware.

Polychronis Ypodimatopoulos
Graduate student
Viral Communications
MIT Media Lab
Tel: +1 (617) 459-6058

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