Re: anyone ever done multicast AF_UNIX sockets?

From: Jeff Dike (jdike@karaya.com)
Date: Sun Mar 02 2003 - 20:00:02 EST


alan@lxorguk.ukuu.org.uk said:
> On Mon, 2003-03-03 at 00:05, Michael Richardson wrote:
> > First, multicast doesn't really work on loopback. I don't recall
> > why... One symptom of this is that one can't use the multicast transport
> > for User-Mode-Linux when not "online" (i.e. on the train).
>
> You have to specify you want your multicast packet looped back. By
> default multicasts dont loop

Well, that problem is actually that lo and dummy interfaces don't support
multicast. You need something like an eth device for multicast, even if you're
nowhere near a LAN.

                                Jeff

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Fri Mar 07 2003 - 22:00:19 EST