carp0 interface goes down on 6.2-PRERELEASE

[Eugene Grosbein]

On Thu, Oct 12, 2006 at 02:44:32PM +0300, Ari Suutari wrote:

> >I have seen similar problems when the carp multicast (224.0.0.18) 
> >traffic was not allowed to be transmitted to the network due to a 
> >firewall configuration problem.
> 	Firewall wasn't enabled at this point, I wanted to keep things
> 	as simple as possible during testing.
> 	I have now tested with real hardware (ethernet is fxp0) and
> 	under VmWare (ethernet is lnc0). Same problem on both.

Make sure you are NOT using ipfw divert for outgoint multicast.
These two beasts (divert and multicast) are not friendly in between
for FreeBSD.

Eugene