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

David Woodhouse dwmw2 at infradead.org
Fri Apr 18 11:46:01 EDT 2008


On Fri, 2008-04-18 at 11:43 -0400, Polychronis Ypodimatopoulos wrote:
> 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.

That's possible, yes -- although you won't get the device filtering it
for you then.

-- 
dwmw2




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