kame と遊ぼう (3)
インターフェースはこんな風に見えます。(tunnel が 4 つある場合)
hogehoge> ifconfig -a
de0: flags=8c43<UP,BROADCAST,RUNNING,OACTIVE,SIMPLEX,MULTICAST> mtu 1500
        inet6 fe80:1::200:f8ff:fe05:4702 prefixlen 64 
        inet6 3ffe:501:407:1:200:f8ff:fe05:4702 prefixlen 64 
        inet6 3ffe:501:407:1::1 prefixlen 64 
        ether 00:00:f8:05:47:02 
        media: autoselect
ed0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet6 fe80:2::200:21ff:feb0:5248 prefixlen 64 
        inet 203.139.62.195 netmask 0xfffffff8 broadcast 203.139.62.199
        inet6 3ffe:501:407:3:200:21ff:feb0:5248 prefixlen 64 
        inet6 3ffe:501:407:3::1 prefixlen 64 
        ether 00:00:21:b0:52:48 
gif0: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1280
        inet6 fe80:3::200:f8ff:fe05:4702 prefixlen 64 
gif1: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1280
        inet6 fe80:4::200:f8ff:fe05:4702 prefixlen 64 
gif2: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1280
        inet6 fe80:5::200:f8ff:fe05:4702 prefixlen 64 
gif3: flags=8051<UP,POINTOPOINT,RUNNING,MULTICAST> mtu 1280
        inet6 fe80:6::200:f8ff:fe05:4702 prefixlen 64 
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
        inet6 fe80:13::1 prefixlen 64 
        inet6 ::1 prefixlen 128 
        inet 127.0.0.1 netmask 0xff000000