ifconfig -a output:
eth0      Link encap:Ethernet  HWaddr B8:27:EB:0C:B3:4B  
          inet addr:192.168.178.21  Bcast:192.168.178.255  Mask:255.255.255.0
          inet6 addr: fe80::ba27:ebff:fe0c:b34b/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1026 errors:0 dropped:227 overruns:0 frame:0
          TX packets:1055 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:89950 (87.8 KiB)  TX bytes:836493 (816.8 KiB)

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:32 errors:0 dropped:0 overruns:0 frame:0
          TX packets:32 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:1656 (1.6 KiB)  TX bytes:1656 (1.6 KiB)



iwconfig output:
