joe@sagan:~$ ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000
    link/ether 00:19:21:2f:bc:0c brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.125/24 brd 192.168.0.255 scope global eth0
    inet6 fe80::219:21ff:fe2f:bc0c/64 scope link
       valid_lft forever preferred_lft forever
joe@sagan:~$  ip r
default via 192.168.0.1 dev eth0
192.168.0.0/24 dev eth0  proto kernel  scope link  src 192.168.0.125
joe@sagan:~$