My FreeBSD host is configured using (/etc/rc.conf)
ifconfig_if1_alias0=”inet 192.168.167.166 netmask 255.255.255.0″
ifconfig_if2=”inet 10.0.0.150 netmask 255.255.255.0″
ifconfig_if2_alias0=”inet A.B.C.D netmask 255.255.255.255″
defaultrouter=”10.0.0.138″