eth0      Link encap:Ethernet  HWaddr 52:54:00:10:15:01  
          inet addr:10.10.21.1  Bcast:10.10.255.255  Mask:255.255.0.0
          inet6 addr: fe80::5054:ff:fe10:1501/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:3978439 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3926686 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:320522157 (305.6 MiB)  TX bytes:786756874 (750.3 MiB)

eth1      Link encap:Ethernet  HWaddr 52:54:00:11:15:01  
          inet addr:192.168.21.11  Bcast:192.168.21.255  Mask:255.255.255.0
          inet6 addr: fe80::5054:ff:fe11:1501/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:14592173 errors:0 dropped:0 overruns:0 frame:0
          TX packets:14463816 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:1153460449 (1.0 GiB)  TX bytes:68486405812 (63.7 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:11359 errors:0 dropped:0 overruns:0 frame:0
          TX packets:11359 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:1182582 (1.1 MiB)  TX bytes:1182582 (1.1 MiB)

