Sergey Kandaurov pluknet at
Wed Jan 18 21:50:56 UTC 2012

On 19 January 2012 00:54, Andrew Hobbs <andrew.hobbs at> wrote:
> Is CARP implemented on -CURRENT (FreeBSD 10)?
> I'm playing around with some test boxes in the office running -CURRENT;
> testbox# uname -a
> FreeBSD 10.0-CURRENT FreeBSD 10.0-CURRENT #0: Wed Jan 18 19:21:12 EST 2012     root at  amd64
> I can't seem to create a carp interface despite having compiled a kernel with "device      carp" in it. Attempts to create a carp interface fail;
> # ifconfig carp create
> ifconfig: SIOCIFCREATE2: Invalid argument
> >From what I've read in the handbook entry on CARP (, I should be able to either compile in the carp device, as above, or load the if_carp.ko kern module. There doesn't appear to be a if_carp.ko module in the -CURRENT source tree, however. Only the carp module itself;
> # ls -ald /usr/src/sys/modules/*carp*
> drwxr-xr-x  2 root  wheel  512 Dec 27 15:12 /usr/src/sys/modules/carp
> Am I missing something completely obvious? Was the functionality of if_carp.ko rolled into another module?

You should definitely read this changeset:

and the updated carp ifconfig syntax in man carp. As for if_carp.ko,
it was renamed into carp.ko as part of the CARP implementation overhaul.

This only affects CURRENT.


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