carp0 interface goes down on 6.2-PRERELEASE

Ari Suutari ari at suutari.iki.fi
Fri Oct 13 07:59:54 UTC 2006


Eugene Grosbein wrote:
> 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.

	Ipfw is not even loaded. I suspect that this has something to
	do with sensing of media state, since if I up the carp0 interface
	manually and disconnect the lan cable carp0 goes down.

	Ari S.




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