Re: IP Multicast

[Greg Troxel <gdt%ir.bbn.com@localhost>]

Robert Elz <kre%munnari.OZ.AU@localhost> writes:

> I kind of half remember (from the ancient past) that there was a way
> that you could set which interface that was, rather than it just being
> some seemingly random interface selected by the kernel, but I do not
> recall if NetBSD has a way to do that or not.   Perhaps someone else
> here knows how it is done, if there is a way.

For transmit, I think you can set a router for 224/5 to the interface
you want to use.

But really, you either need to have programs that deal with this
explicitly (like routing programs or other low-level stuff), or you
should run a multicast routing daemon.  See mrouted(8).