Manuel Bouyer <bouyer@antioche.eu.org> wrote:

> > Can't it be set by hand? 
> I don't think it's possible, at last not easily.

What about making an ioctl on the interface with IFF_ALLMULTI? Won't
that do the trick?

> Sorry, I meant igmp, which I think is still mandatory, even with PIM.

But IGMP packets are alwyas sent to 224.0.0.0/3, aren't they? So this
rule would match?
 
pass in on fxp0 to fxp1 from any to 224.0.0.0/3  
pass in on fxp1 to fxp0 from any to 224.0.0.0/3


-- 
Emmanuel Dreyfus
Il y a 10 sortes de personnes dans le monde: ceux qui comprennent 
le binaire et ceux qui ne le comprennent pas.
manu@netbsd.org