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Date: Wed, 20 Jul 2011 17:36:55 +0200
From: "Kim A. Brandt" <kimabrandt@gmx.de>
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To: Patrick Lamaiziere <patfbsd@davenulle.org>
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Cc: freebsd-net@freebsd.org
Subject: Re: CARP-interface fail-over in case required program fails.
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Thanks Patrick and Dmitry,

indeed `ifstated' and the ``running external tests''-part, sound like it =
will be helpful.

/Kim

On 2011-07-20 16:19, Patrick Lamaiziere wrote:
> Le Mon, 18 Jul 2011 19:18:53 +0400,
> Dmitry Banschikov <d.banschikov@peterhost.ru> a =C3=A9crit :
>=20
> Hi,
>=20
>>> is it possible to let a CARP-interface fail(-over) in the situation
>>> when a certain program fails or stops working? I hope it's clear
>>> enough what I have in mind. Could you give me any pointers on how
>>> this can be archived?
>>
>> You can write simple script, which will monitor status of the
>> program, and if program fails, it can adjust advskew parameter of the
>> CARP interface forcing going interface to the backup state.
>=20
> In addition, port net/ifstated could be useful for doing this kind of
> things (here we monitor BGP sessions with it).


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