Subject: Re: Multicast ethernet question
To: None <tech-net@NetBSD.ORG>
From: Heiko W.Rupp <>
List: tech-net
Date: 11/04/1997 21:56:04
Ignatios Souvatzis wrote:
|> mapping from IPmulticast to link-level Ethernet addreses.  So you for
|> IP at least, don't need to do a check.
|Thats not the only reason. RFC1122 explicitly states that for link
|types which only have one multicast address (the broadcast address),

Yes, but .. Think of a 100MBps Ethernet (or even of any of those GB tries),
where IP has to check *every* packet of the 100MBps coming in just to
find out that only some kilobit of data is really wanted by the host. If
your card can filter it out then it should.

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