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Archive for November, 2009

OpenBSD CARP and VRRP conflicts

Turns out, the OpenBSD CARP (failover protocol) conflicts in port number, and behavior with devices running VRRP. We have switch and router equipment which uses VRRP to perform gateway fail over. When we brought in CARP, using the same CARP VHID, and VRRp VRID will cause severe packet loss, as it seems the devices become [...]