On Sun, 2 Nov 1997, Jonathan Stone wrote:

> 
> [  Dave Huang <khym@bga.com> asks about IPmulticast for a MACE driver ]
> 
> 
> >No you have to do your own comparison for the address. Sometimes you might
> >take packets for some other multicast packets not configured for your
> >interface.
> 
> Sorry, that turns out not to be the case for NetBSD.  In Steve
> Deering's design, software checks of link-level multicast addresses
> aren't done , because multicast address level checks need to be done
> at a higher-level protocol (IP) anyway.  At least that's how I
> remember it.

I am not aware though of "Steve Deering's design". Where do I get it?

But IMHO packets with addresses other than those configured should not
be sent out from the driver.

> >Does your TCP/IP stack support Multicasting? If no, then unless you are
> >planning to make some other use for Multicasting (other than IP
> >multicasting) multicasting support in the driver might not be useful. 
> 
> Uh, NetBSD has *always* had IPmulticast support.  If you hadn't
> noticed, this a NetBSD mailing list For technical discussion of
> NetBSD's networking code.  Please keep responses on-topic and
> technically accurate!

Okie. That one sliipped out of my mind.

> 
> If someone at Tandem is forwarding this internally to an audience that's
> not technically au-fait with BSD networking, maybe they should reconsider.
> 

No this is not getting forwarded to anyone.