ifconfig -a output:
eth0      Link encap:Ethernet  HWaddr B8:27:EB:B3:19:DF  
          inet addr:192.168.20.161  Bcast:192.168.20.255  Mask:255.255.255.0
          inet6 addr: 2001:16b8:5cd6:d800:ba27:ebff:feb3:19df/64 Scope:Global
          inet6 addr: fe80::ba27:ebff:feb3:19df/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:690 errors:0 dropped:56 overruns:0 frame:0
          TX packets:548 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:109137 (106.5 KiB)  TX bytes:337573 (329.6 KiB)

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:65536  Metric:1
          RX packets:22 errors:0 dropped:0 overruns:0 frame:0
          TX packets:22 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:1584 (1.5 KiB)  TX bytes:1584 (1.5 KiB)

wlan0     Link encap:Ethernet  HWaddr B8:27:EB:E6:4C:8A  
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)



iwconfig output:
wlan0     IEEE 802.11  ESSID:off/any  
          Mode:Managed  Access Point: Not-Associated   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:on
          
