ldias@foxtrot:~$ iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

wifi0     no wireless extensions.

ath0      IEEE 802.11g  ESSID:"Dias"  Nickname:""
          Mode:Managed  Frequency:2.422 GHz  Access Point: 00:1B:11:4A:7D:2D   
          Bit Rate:48 Mb/s   Tx-Power:18 dBm   Sensitivity=1/1  
          Retry:off   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=57/70  Signal level=-37 dBm  Noise level=-94 dBm
          Rx invalid nwid:86  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

ldias@foxtrot:~$ ifconfig
ath0      Link encap:Ethernet  HWaddr 00:01:E3:4C:4C:D6  
          inet addr:192.168.0.101  Bcast:192.168.0.255  Mask:255.255.255.0
          inet6 addr: fe80::201:e3ff:fe4c:4cd6/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:40 errors:0 dropped:0 overruns:0 frame:0
          TX packets:30 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:12423 (12.1 KB)  TX bytes:3797 (3.7 KB)

eth0      Link encap:Ethernet  HWaddr 08:00:46:5A:25:C5  
          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)
          Interrupt:10 Base address:0x800 

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:1 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:88 (88.0 b)  TX bytes:88 (88.0 b)

wifi0     Link encap:UNSPEC  HWaddr 00-01-E3-4C-4C-D6-00-00-00-00-00-00-00-00-00-00  
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:274224 errors:0 dropped:0 overruns:0 frame:2647
          TX packets:321 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:199 
          RX bytes:593795 (579.8 KB)  TX bytes:25615 (25.0 KB)
          Interrupt:9 

ldias@foxtrot:~$ sudo ifconfig ath0 down
ldias@foxtrot:~$ sudo wlanconfig ath0 destroy
ldias@foxtrot:~$ sudo wlanconfig ath create wlandev wifi0 wlanmode monitor
ath0
ldias@foxtrot:~$ sudo ifconfig ath0 up
ldias@foxtrot:~$ iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

wifi0     no wireless extensions.

ath0      IEEE 802.11g  ESSID:""  Nickname:""
          Mode:Monitor  Channel:0  Access Point: Not-Associated   
          Bit Rate:0 kb/s   Tx-Power:18 dBm   Sensitivity=1/1  
          Retry:off   RTS thr:off   Fragment thr:off
          Power Management:off
          Link Quality=0/70  Signal level=-92 dBm  Noise level=-92 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

ldias@foxtrot:~$ ifconfig
ath0      Link encap:UNSPEC  HWaddr 00-01-E3-4C-4C-D6-40-E2-00-00-00-00-00-00-00-00  
          UP BROADCAST RUNNING 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:0 
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)

eth0      Link encap:Ethernet  HWaddr 08:00:46:5A:25:C5  
          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)
          Interrupt:10 Base address:0x800 

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:1 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:88 (88.0 b)  TX bytes:88 (88.0 b)

wifi0     Link encap:UNSPEC  HWaddr 00-01-E3-4C-4C-D6-00-00-00-00-00-00-00-00-00-00  
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:274366 errors:0 dropped:0 overruns:0 frame:2647
          TX packets:322 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:199 
          RX bytes:612460 (598.1 KB)  TX bytes:25645 (25.0 KB)
          Interrupt:9 

ldias@foxtrot:~$