[root@localhost ~]# ifconfig             
eth0      Link encap:Ethernet  HWaddr 00:17:A4:E7:86:3B  
          inet addr:10.10.20.1  Bcast:10.10.20.255  Mask:255.255.255.0
          inet6 addr: fe80::217:a4ff:fee7:863b/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:1756 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1687 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:119244 (116.4 KiB)  TX bytes:114857 (112.1 KiB)
          Interrupt:18

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:14 errors:0 dropped:0 overruns:0 frame:0
          TX packets:14 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:984 (984.0 b)  TX bytes:984 (984.0 b)

virbr0    Link encap:Ethernet  HWaddr 12:94:24:7B:B6:E0
          inet addr:192.168.122.1  Bcast:192.168.122.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:29 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 b)  TX bytes:4460 (4.3 KiB)

[root@localhost ~]#