bash-2.05b# ifconfig -a
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 33224
        inet6 ::1 prefixlen 128
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x6
        inet 127.0.0.1 netmask 0xff000000 
sis0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        address: 00:00:24:c3:22:e0
        media: Ethernet autoselect (100baseTX)
        status: active
        inet6 fe80::200:24ff:fec3:22e0%sis0 prefixlen 64 scopeid 0x1
        inet 10.0.0.254 netmask 0xff000000 broadcast 10.255.255.255
sis1: flags=8842<BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        address: 00:00:24:c3:22:e1
        media: Ethernet autoselect (none)
        status: no carrier
sis2: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        address: 00:00:24:c3:22:e2
        media: Ethernet autoselect (none)
        status: no carrier
        inet6 fe80::200:24ff:fec3:22e2%sis2 prefixlen 64 scopeid 0x3
        inet 0.0.0.0 netmask 0xff000000 broadcast 255.255.255.255
pflog0: flags=141<UP,RUNNING,PROMISC> mtu 33224
pfsync0: flags=0<> mtu 2020
enc0: flags=0<> mtu 1536