Can carp(4) run daemons or scripts?

Pavel Timofeev timp87 at
Tue Aug 23 16:30:03 UTC 2011

Oh, thank you very much!
I didn't know about ifstated. I'll try it.

> Also may be with devd
How? What do you mean?

2011/8/23 Patrick Lamaiziere <patfbsd at>

> Le Tue, 23 Aug 2011 17:50:43 +0400,
> Pavel Timofeev <timp87 at> a écrit :
> Hello,
> > Can carp(4) run daemons or scripts when backup server come into the
> > work? As I know ucarp and heartbeat can do this.
> No, carp only works at the interface level. In ports you will find
> ifstated(8) (from OpenBSD). It can react to a change on an
> interface and run tests.
> Also may be with devd, but imo ifstated will do the trick.
> Regards.

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