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I try to do arp-poisoning on my wireless network using ethercap (same method as using on wired). It make the victim network unusable rather than forward packet to attacker computer. Why ?

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Now I find the solution. Put the NIC to monitor mode. Then I see all the packets in the air. –  Isara Rungvitayakul Jul 18 '11 at 15:27
    
So the correct way to sniff in wireless is to put NIC into monitor mode and use wireshark or kismet to view the packet. –  Isara Rungvitayakul Jul 27 '11 at 18:44
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The ARP protocol uses brodcasts. WLAN will transfer these at it lowest speed - so that all stations can receive them - usually at 1 MBps. As a result the channel will simply be jammed with a relatively low amount of packets send per second. But ettercap need to send a reletively high amount of packets to do its work.

In conclusion, it may simply jam the channel.

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Thank you very much Turbo J. –  Isara Rungvitayakul Jun 29 '11 at 17:25
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