carp(4) and VRRP on the same segment

[Tom Judge]

-----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.

Tom

- --
TJU13-ARIN
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.13 (FreeBSD)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

iQEcBAEBAgAGBQJLH7eiAAoJEMSwVS7lr0OdLWMH/2akcs8bMsdBlHHb+0KCFiSK
4WoarB96hLEFVcyXipGHsJhxJsFm8sAGCtKnB6Qdl+afM1q4RDkpA9zDWlhR5x+O
pFH/v4X6QBM8f12VGoJ053JTyEG6GMLumGAdpyahK32pUs+lQvhIS9yE+yd7fIp4
3lu2fEMQ70A3IVjvAuBgAHysDqlLsxq9kgVpZ5yx38pQ3x5qe4IYv1rl5ExD1rMV
oOTi+UZzUcK7n0O3vy6/MEq06UF2pdH6Rt3jPq1jqprKgzexsOd4TY/OAAIZBygu
lTIEJs2fIm5ag2YrkaNchHUESa30RwNBNht+pgsd5cnj0va5MRRl0MtvsAMdsDo=
=G12l
-----END PGP SIGNATURE-----