ifconfig -a output:
eth0      Link encap:Ethernet  HWaddr B8:27:EB:A8:01:A9  
          UP 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)

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:24 errors:0 dropped:0 overruns:0 frame:0
          TX packets:24 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:2074 (2.0 KiB)  TX bytes:2074 (2.0 KiB)

wlan0     Link encap:Ethernet  HWaddr 74:DA:38:26:9A:98  
          inet addr:192.168.178.21  Bcast:192.168.178.255  Mask:255.255.255.0
          inet6 addr: fe80::76da:38ff:fe26:9a98/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:188045 errors:0 dropped:2902 overruns:0 frame:0
          TX packets:31990 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:282370132 (269.2 MiB)  TX bytes:3384098 (3.2 MiB)



iwconfig output:
wlan0     IEEE 802.11bgn  ESSID:"Brummsell"  Nickname:"<WIFI@REALTEK>"
          Mode:Managed  Frequency:2.412 GHz  Access Point: 9C:C7:A6:F8:0F:E2   
          Bit Rate:72.2 Mb/s   Sensitivity:0/0  
          Retry:off   RTS thr:off   Fragment thr:off
          Encryption key:****-****-****-****-****-****-****-****   Security mode:open
          Power Management:off
          Link Quality=99/100  Signal level=94/100  Noise level=0/100
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

