ubuntu@ubuntu:~$ ifconfig -a
eth0 Link encap:Ethernet HWaddr 54:53:ed:2c:32:2e
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

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:792 errors:0 dropped:0 overruns:0 frame:0
TX packets:792 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:81910 (81.9 KB) TX bytes:81910 (81.9 KB)

wlan0 Link encap:Ethernet HWaddr 08:3e:8e:b3:46:af
inet addr:192.168.1.66 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::a3e:8eff:feb3:46af/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:28454 errors:0 dropped:0 overruns:0 frame:0
TX packets:18434 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:37510473 (37.5 MB) TX bytes:2081035 (2.0 MB)

ubuntu@ubuntu:~$ ifconfig -a
eth0 Link encap:Ethernet HWaddr 54:53:ed:2c:32:2e
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

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:792 errors:0 dropped:0 overruns:0 frame:0
TX packets:792 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:81910 (81.9 KB) TX bytes:81910 (81.9 KB)

wlan0 Link encap:Ethernet HWaddr 08:3e:8e:b3:46:af
inet addr:192.168.1.66 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::a3e:8eff:feb3:46af/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:28473 errors:0 dropped:0 overruns:0 frame:0
TX packets:18447 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:37511691 (37.5 MB) TX bytes:2082315 (2.0 MB)