Date: Wed, 9 Dec 2009 16:23:56 +0100 From: Claudio Jeker <cjeker@diehard.n-r-g.com> To: freebsd-net@freebsd.org Subject: Re: carp(4) and VRRP on the same segment Message-ID: <20091209152356.GA31932@diehard.n-r-g.com> In-Reply-To: <4B1FB7A2.2020801@tomjudge.com> References: <4B1FB7A2.2020801@tomjudge.com>
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On Wed, Dec 09, 2009 at 02:43:46PM +0000, Tom Judge wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Hi, > > We have had some issues with running both carp and VRRP in the same > physical segment. It has mostly caused issues with the embedded devices > running VRRP. One other side affect is the hugely verbose output on the > FreeBSD side where carp is complaining about corrupt PDU's. > > To work around this I changed the carp protocol number from the VRRP > allocated number to an unassigned number (241). Simple patches can be > found here: > http://svn.tomjudge.com/freebsd/patches/carp-vrrp-interop/ > > > Maybe this can be made into a sysctl for carp, so that the administrator > can select a different protocol number at boot/runtime if desired. > I think you will hit the other issues with this. Normaly it is sufficent to ensure that the carp vhid and the VRRP vrid are not equal. -- :wq Claudio
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