Date: Thu, 04 Nov 2010 21:28:32 -0500 From: Tom Judge <tom@tomjudge.com> To: freebsd-net@freebsd.org, ask@develooper.com Subject: Re: "kernel: carp_input: received len 20 < sizeof(struct carp_header)" messages Message-ID: <4CD36BD0.4040409@tomjudge.com> In-Reply-To: <17903237-CBF6-4CC3-8CA3-29D9BB65538F@develooper.com> References: <17903237-CBF6-4CC3-8CA3-29D9BB65538F@develooper.com>
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On 04/11/2010 18:02, Ask Bjørn Hansen wrote: > Hi, > > On a network segment we have both Linux boxes with keepalived (some sort of vrrp implementation) and FreeBSD boxes with carp enabled. > > The FreeBSD logs have a gazillion "kernel: carp_input: received len 20 < sizeof(struct carp_header)" messages. > > The carp man page makes it seem like we can disable any carp logging with net.inet.carp.log=0; but that doesn't seem to make a difference. > > The system is running 7.2-RELEASE-p5 (the distribution is pfSense 1.2.x). > > Is there another toggle I can use to get rid of the (to us) useless log messages? > > I checked that we don't have any overlapping vhid/vrid IDs. Any idea for how to either just suppress the log message from the kernel or getting it to log some more details so we can try to make the underlying problem go away? > Take a look at the following page: http://www.tomjudge.com/index.php/FreeBSD/CARP_vs_VRRP It contains a patch to change the CARP protocol ID to something that is not used so these messages go away. Tom
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