multicast arp entry

[Ruslan Ermilov]

On Tue, May 18, 2004 at 10:08:58PM +0800, Eugene Grosbein wrote:
> On Tue, May 18, 2004 at 01:51:34PM +0300, Ruslan Ermilov wrote:
> 
> > The long answer could be: you could join to a single multicast
> > group on multiple interfaces, and you will be able to receive
> > multicast on all of them, but if you don't have multicast
> > forwarding enabled, only one interface will be used for sending.
> 
> That's bad. How do I enable "multicast forwarding", or, in other words,
> do you know why ripd doesn't do it for be?
> 
I use mrouted(8).

> On the other hand, I've got another machine with very simple configuration:
> one fxp0 interface, one rl0 and one gif0 and started quagga/ripd.
> Two points: tcpdump shows that multicasts go out all three interfaces
> with right source IP and there is no arp entries for 224.0.0.9 and 224.0.0.1.
> 
> I couldn't find what is the vital difference between these two machines yet
> (there are so many of them).
> 
I don't know.  Perhaps, quagga/ripd send raw IP packets in this case.


Cheers,
-- 
Ruslan Ermilov
ru at FreeBSD.org
FreeBSD committer
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-net/attachments/20040518/17f7db9b/attachment.bin