Sample output of ifconfig

eth0      Link encap:Ethernet  HWaddr 00:40:05:A3:09:E3  
          inet addr:1.2.3.6  Bcast:1.2.3.6  Mask:255.255.255.255
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:549751 errors:0 dropped:0 overruns:0 frame:0
          TX packets:585970 errors:49 dropped:0 overruns:3 carrier:46
          collisions:0 txqueuelen:100 
          Interrupt:11 Base address:0xe400 

eth0:0    Link encap:Ethernet  HWaddr 00:40:05:A3:09:E3  
          inet addr:192.168.1.111  Bcast:192.168.1.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          Interrupt:11 Base address:0xe400