I am sorry if the answer to this question is trivial, I am rather new to
OpenBSD and have a lot to learn.
I have an 'Intel Centrino Advanced-N 6205' network card that I am trying
to put into monitor mode on a fixed channel using ifconfig. However, I
am experiencing this peculiar behaviour (at least to me):
---snip---
# ifconfig iwn0
iwn0: flags=8847<UP,BROADCAST,DEBUG,RUNNING,SIMPLEX,MULTICAST> mtu 1500
lladdr aa:bb:cc:dd:ee:ff
index 2 priority 4 llprio 3
groups: wlan egress
media: IEEE802.11 autoselect (HT-MCS1 mode 11n)
status: active
ieee80211: nwid my-AP chan 11 bssid 11:22:33:44:55:66 -33dBm
wpakey wpaprotos wpa2 wpaakms psk wpaciphers ccmp
wpagroupcipher ccmp
inet 192.168.43.125 netmask 0xffffff00 broadcast 192.168.43.255
# ifconfig iwn0 -nwid -inet <-- As far as I understand, I can disconnect
like this? But sometimes it does
nothing.
# ifconfig iwn0
iwn0: flags=8847<UP,BROADCAST,DEBUG,RUNNING,SIMPLEX,MULTICAST> mtu 1500
lladdr aa:bb:cc:dd:ee:ff
index 2 priority 4 llprio 3
groups: wlan egress
media: IEEE802.11 autoselect (DS1)
status: no network
ieee80211: nwid ""
# ifconfig iwn0 mediaopt monitor chan 4
# ifconfig iwn0
iwn0: flags=8847<UP,BROADCAST,DEBUG,RUNNING,SIMPLEX,MULTICAST> mtu 1500
lladdr aa:bb:cc:dd:ee:ff
index 2 priority 4 llprio 3
groups: wlan egress
media: IEEE802.11 autoselect monitor
status: active
ieee80211: nwid my-AP chan 1 bssid 11:22:33:44:55:66
---snip---
What is going on? Why is my nwid set back again to my AP? Furthermore,
why am I on channel 1 when I selected channel 4? Now when I disable the
device:
---snip---
# ifconfig iwn0 down && ifconfig iwn0
iwn0: flags=8806<BROADCAST,DEBUG,SIMPLEX,MULTICAST> mtu 1500
lladdr aa:bb:cc:dd:ee:ff
index 2 priority 4 llprio 3
groups: wlan egress
media: IEEE802.11 autoselect monitor
status: no network
ieee80211: nwid "" chan 4
---snip---
So the channel is actually set to 4, but when I enable the interface
again, it resets to my AP and to channel 1. I am greatly confused as to
why I keep reconnecting to my AP... Neither `ifconfig iwn0 joinlist` nor
`/etc/hostname.iwn0` contains any line related to 'my-AP'.
Sometimes, when I don't set the channel, I get some high channel like
149 assigned. I am not sure what '(DS1)' means; I didn't find anything
in ifconfig(8), but it is not there after a fresh boot. Is it related?
I am sure I am doing something wrong. Thank you very much in advance for
shedding some light on what.
--
Bertalan Z. Péter <[email protected]>
FB9B 34FE 3500 3977 92AE 4809 935C 3BEB 44C1 0F89
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