OpenBSD - CARP

@OpenBSD

master advertises on port 112

ifconfig synax

::

ifconfig carpN create
ifconfig carpN [advbase n] [advskew n] [balancing mode] \
[carpnodes vhid:advskew,vhid:advskew,...] [carpdev iface] \
[[-]carppeer peer_address] [pass passphrase] [state state] [vhid host-id]

Try to become master

::

sysctl net.inet.carp.preempt=1