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Posted by:Niki
Subject:FreeBSD 8.0 Atheros problem
Date:08:12:21 30/04/2009


I try to run Kismet 2008.05.R1 on FreeBSD 8.0 with Atheros 5211 minipci card but I have some problems.
I use source=radiotap_bsd_ab.

1. If I use ath0 for source:
Launching kismet_server: /usr/local/bin/kismet_server
Will drop privs to user (1001) gid 1001
No specific sources given to be enabled, all will be enabled.
Non-RFMon VAPs will be destroyed on multi-vap interfaces (ie, madwifi-ng)
Enabling channel hopping.
Enabling channel splitting.
NOTICE: Disabling channel hopping, no enabled sources are able to change channel.
Source 0 (wlan0): Enabling monitor mode for radiotap_bsd_ab source interface ath0 channel 6...
FATAL: ath0: cannot set ifmedia: Invalid argument

FreeBSD 8.0 need to clone ath0 interface to wlan interface to make it usable.
I clone ath0 to wlan0, change source to wlan0 and try again

2. FATAL: wlan0: cannot get ifmedia: Device not configured

After reading MAN I found that mode of cloned wlan interface cannot be changed.
I clone again wlan0 in monitor mode

3. FATAL: No support for radiotap data link

tcpdump -i wlan0 -L
Data link types (use option -y to set):
EN10MB (Ethernet)
IEEE802_11 (802.11)

tcpdump -i ath0 -L
Data link types (use option -y to set):
IEEE802_11_RADIO (802.11 plus radiotap header)

Seems that cloned wlan interface don't support radiotap.

Someone have success with Kismet on FreeBSD 8.0?

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