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link quality of my AP always 0/100
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yanos
Tux's lil' helper
Tux's lil' helper


Joined: 11 Sep 2003
Posts: 149
Location: montreal, canada

PostPosted: Sun Jul 10, 2005 3:07 pm    Post subject: link quality of my AP always 0/100 Reply with quote

After giving hope on the acx100 driver, I decided to try ndiswrapper. It used to work very well, until trying to get WEP working. I couldn't get an ip address with dhcpcd, so I tried reverting my changes so I could at least have my card to work without WEP. But then, it doesn't work anymore, WEP or not. What's weird is that iwlist wlan0 scan detect my access point but it says that the link quality is 0/100:

Code:

musaraigne ~ # iwlist wlan0 scan
Warning: Driver for device wlan0 recommend version 18 of Wireless Extension,
but has been compiled with version 17, therefore some driver features
may not be available...

wlan0     Scan completed :
          Cell 01 - Address: 00:09:5B:D6:0E:38
                    ESSID:"devnull"
                    Protocol:IEEE 802.11b
                    Mode:Managed
                    Frequency:2.462 GHz (Channel 11)
                    Quality:0/100  Signal level:-24 dBm  Noise level:-256 dBm
                    Encryption key:off
                    Bit Rate:1 Mb/s
                    Bit Rate:2 Mb/s
                    Bit Rate:5.5 Mb/s
                    Bit Rate:11 Mb/s
                    Bit Rate:6 Mb/s
                    Bit Rate:9 Mb/s
                    Bit Rate:12 Mb/s
                    Bit Rate:18 Mb/s
                    Bit Rate:24 Mb/s
                    Bit Rate:36 Mb/s
                    Bit Rate:48 Mb/s
                    Bit Rate:54 Mb/s
                    Extra:bcn_int=100
                    Extra:atim=0


It used to be 100% and now it's 0% despite the fact that my router is sitting right next to my computer. That has the effect of me nerver able to associate with my access point. Notice also the warning about the version of my wireless extension, a message that appear after emerging ndiswrapper 1.2. There is also a message in dmesg about ndiswrapper not able to set the encryption key of my card despite encryption being turned off:

Code:

musaraigne ~ # dmesg
[...]
wlan0: ndiswrapper ethernet device 00:0f:b5:06:16:81 using driver wg311v2, configuration file 104C:9066:1385:4C00.5.conf
wlan0: encryption modes supported: WEP, WPA with TKIP
ndiswrapper (add_wep_key:711): adding encryption key 1 failed (C0010015)


Code:

musaraigne ~ # iwconfig
lo        no wireless extensions.

tunl0     no wireless extensions.

eth0      no wireless extensions.

Warning: Driver for device wlan0 recommend version 18 of Wireless Extension,
but has been compiled with version 17, therefore some driver features
may not be available...

wlan0     IEEE 802.11g  ESSID:off/any
          Mode:Managed  Frequency:5.26 GHz  Access Point: 00:00:00:00:00:00
          Bit Rate:54 Mb/s   Tx-Power:10 dBm   Sensitivity=0/3
          RTS thr:2347 B   Fragment thr:2312 B
          Encryption key:off
          Power Management:off
          Link Quality:100  Signal level:0  Noise level:0
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0
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kill
Apprentice
Apprentice


Joined: 25 Dec 2004
Posts: 179

PostPosted: Sun Jul 10, 2005 3:44 pm    Post subject: Reply with quote

Ndiswrapper does not support showing link quality.
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yanos
Tux's lil' helper
Tux's lil' helper


Joined: 11 Sep 2003
Posts: 149
Location: montreal, canada

PostPosted: Sun Jul 10, 2005 6:01 pm    Post subject: Reply with quote

Ok, that would explain it. Anyway, I figure out what I was doing wrong and managed to get my wg311v2 working with WEP, finally.
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jamapii
l33t
l33t


Joined: 16 Sep 2004
Posts: 637

PostPosted: Sun Jul 10, 2005 8:30 pm    Post subject: Reply with quote

yanos wrote:
Anyway, I figure out what I was doing wrong and managed to get my wg311v2 working with WEP, finally.

What was it? (There's a slight possibility that it helps me :))

ndiswrapper doesn't associate with my access point either, WEP or not. But it worked recently with an open access point.
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yanos
Tux's lil' helper
Tux's lil' helper


Joined: 11 Sep 2003
Posts: 149
Location: montreal, canada

PostPosted: Mon Jul 11, 2005 3:20 pm    Post subject: Reply with quote

The problems was that, somehow, my card was still trying to use encryption despite having turned it off with iwconfig. Notice the error in dmesg about a key that couldn't be loaded tight after modprobing ndiswrapper. So I don't really know if I could revert back to an non encrypted comunication, but I couldn't care less now that it works perfectly with WEP enabled. I hope this will give you some clues.
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