# dump of command ifconfig -a (on a fedora core 6 system)

eth0      Link encap:Ethernet  HWaddr 00:16:D4:09:23:A6  
          inet addr:192.168.1.100  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::216:d4ff:fe09:23a6/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:23377 errors:0 dropped:0 overruns:0 frame:0
          TX packets:14789 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:29652708 (28.2 MiB)  TX bytes:1594937 (1.5 MiB)
          Interrupt:22 Base address:0x6400 

eth1      Link encap:Ethernet  HWaddr 00:14:A5:A3:7E:76  
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:56 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 b)  TX bytes:2492 (2.4 KiB)
          Interrupt:10 

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:2026 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2026 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:3427628 (3.2 MiB)  TX bytes:3427628 (3.2 MiB)