Multicast

[Baldur Gislason]

No, and I tried booting a GENERIC kernel also to rule out ipfw.

Baldur

On Tue, Aug 22, 2006 at 12:16:07PM -0700, Xander wrote:
> On Mon, Aug 21, 2006 at 04:54:01PM +0000, Baldur Gislason wrote: 
> 
> > I'm having some problems receiving multicast traffic on my FreeBSD
> > 6.1-STABLE workstation with VLC. I get the streams but I seem to get
> > plenty of packetloss on the freebsd box but on other boxes on the same
> > network I don't see such problems. I haven't noticed any packetloss
> > with unicast. Any thoughts? I've tried running a GENERIC kernel and
> > that makes no difference, I've also tried two different network cards.
> > (em and fxp) 
> 
> I'm afraid that I only have time for a short reply at the moment,
> but are you using pf?  I believe I may have run into an issue where
> pf doesn't handle tunneled multicast routing (mrouted tunnel) very
> well.  The issue appears to have something to do with pf not
> understanding on what interface the unencapsulated multicast packet
> arrived on (since it's re-injected into the stack by mrouted).
> (This was seen on 6.1-RELEASE-p3 and 6.1-STABLE as of a week ago)
> 
> At any rate, if you are using pf you might try disabling it and seeing
> if that helps your problem.
> 
> cheers
> -x
> 
>