user@okeanos:~$ ifconfig
eth0 Link encap:Ethernet HWaddr 6e:84:53:c2:ae:ee
inet addr:172.16.28.32 Bcast:172.16.255.255 Mask:255.255.0.0
inet6 addr: fe80::6c84:53ff:fec2:aeee/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1142196 errors:0 dropped:0 overruns:0 frame:0
TX packets:664 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:148778391 (148.7 MB) TX bytes:85010 (85.0 KB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:346304 errors:0 dropped:0 overruns:0 frame:0
TX packets:346304 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:25627536 (25.6 MB) TX bytes:25627536 (25.6 MB)
user@okeanos:~$ sudo ifdown eth0
ifdown: interface eth0 not configured
user@okeanos:~$