/etc/rc.conf ifconfig_fxp0_alias0="inet 192.168.0.1 netmask 255.255.255.0" ifconfig_fxp0_alias1="inet 192.168.0.2 netmask 255.255.255.0" ifconfig_fxp0_alias2="inet 192.168.0.3 netmask 255.255.255.0" fxp0 : intel EtherExpress PRO/100 (82557, 82558) rl0 : RealTek 8129 / 8139 vx0 : 3Com 3c590, 3c595 (Vortex) xl0 : 3Com 3c90x (Boomerang, Cyclone)