eth0      Link encap:Ethernet  HWaddr 8A:44:2E:D1:7F:8A  
          inet addr:192.1.21.7  Bcast:192.1.255.255  Mask:255.255.0.0
          inet6 addr: fe80::8844:2eff:fed1:7f8a/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:176411044 errors:0 dropped:0 overruns:0 frame:0
          TX packets:70067320 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:10000 
          RX bytes:248806545686 (231.7 GiB)  TX bytes:6527250395 (6.0 GiB)

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:16436  Metric:1
          RX packets:101737 errors:0 dropped:0 overruns:0 frame:0
          TX packets:101737 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:126761570 (120.8 MiB)  TX bytes:126761570 (120.8 MiB)

