Subject: Re: CARP Committed (correctly presented)
To: Herb Peyerl <firstname.lastname@example.org>
From: Jeff Rizzo <riz@NetBSD.org>
Date: 05/18/2006 09:12:34
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Herb Peyerl wrote:
> Does CARP use the same gratuitous ARP method of transitioning from
> Slave to Master that keepalived uses? If so, it has the same
> weaknesses as keepalived and isn't really all that useful...
> (Many switches/routers ignore gratuitous ARP's and hence, you have to
> wait for an ARP timeout before a new Master receives any packets).
I'm not familiar with keepalived, but what CARP does is to present a
separate floating MAC address common to all the redundant interfaces to
the upstream, so failover occurs as soon as the carp-implementing
interfaces decide amongst themselves that it should.
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