Configuring wlan + DHCP

rodrigofariat · 02-07-2008, 06:24 AM

Hello,

My Wireless D-Link Air Plus DWL G520 is up.
Using network tool in Gnome, i made a follow configuration :

#/etc/network/interfaces
iface wlan0 inet dhcp
wireless-essid INFOR
wireless-key on
wireless-rate auto

I'm using Debian testing, the wlan is using the acx module.

With command iwconfig show :

debian:~# iwconfig
lo no wireless extensions.

eth0 no wireless extensions.

wlan0 IEEE 802.11b+/g+ ESSID:"QUALI" Nickname:"acx v0.3.36"
Mode:Managed Frequency:2.412 GHz Access Point: Not-Associated
Bit Rate:54 Mb/s Tx-Power=15 dBm Sensitivity=1/3
Retry min limit:7 RTS thr

ff
Encryption key:7AC1-FEDA-602B-68A6-A8D7-BFDD-0000-0000-0000-0000-0000-0000-56F5-1600-0C Security mode

pen
Power Management

ff
Link Quality=46/100 Signal level=25/100 Noise level=0/100
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0

sit0 no wireless extensions.

Of course it's configured, but when run /etc/init.d/networking come this errors:

debian:~# /etc/init.d/networking restart
Reconfiguring network interfaces...There is already a pid file /var/run/dhclient.wlan0.pid with pid 4320
killed old client process, removed PID file
Internet Systems Consortium DHCP Client V3.0.6
Copyright 2004-2007 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/

Listening on LPF/wlan0/00:11:95:15:d6:e3
Sending on LPF/wlan0/00:11:95:15:d6:e3
Sending on Socket/fallback
DHCPRELEASE on wlan0 to 192.168.0.101 port 67
send_packet: Network is unreachable
send_packet: please consult README file regarding broadcast address.
wlanctl-ng: Operation not supported
FATAL: Module p80211 not found.
Failed to load p80211.ko.
run-parts: /etc/network/if-pre-up.d/linux-wlan-ng-pre-up exited with return code 1
Internet Systems Consortium DHCP Client V3.0.6
Copyright 2004-2007 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/

Listening on LPF/wlan0/00:11:95:15:d6:e3
Sending on LPF/wlan0/00:11:95:15:d6:e3
Sending on Socket/fallback
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 5
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 6
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 15
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 17
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 13
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 5
No DHCPOFFERS received.
No working leases in persistent database - sleeping.
Starting portmap daemon...Already running..
Starting NFS common utilities: statd.
done.

Anybody can to help me ?

Best regards,

Faria

pentode · 02-07-2008, 10:33 AM

I'd run lsmod and lspci to see what modules are associated with your wireless card. The message you're getting mentions linux-wlan-ng which is a wireless driver, but I'm not sure it is associated with the axc module you mentioned. It's possible that you have dueling drivers and need to remove or blacklist the one you don't want.

rodrigofariat · 02-08-2008, 05:57 AM

Hello Pentnode,

Really there was a driver dueling, acx and linux-wlan-ng.
So I removed linux-wlan-ng

Now I can to get up my wireless with a IP Address, but it's fail with communication with network, setting dhcp fail too.

debian:~# iwlist wlan0 scan
wlan0 Scan completed :
Cell 01 - Address: 00:15:E9:33:40

0
ESSID:"Quali"
Mode:Master
Frequency:2.437 GHz (Channel 6)
Quality=46/100 Signal level=24/100 Noise level=0/100
Encryption key

n
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s
11 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Cell 02 - Address: 08:10:73:0A:56:46
ESSID:"Venture"
Mode:Master
Frequency:2.437 GHz (Channel 6)
Quality=34/100 Signal level=7/100 Noise level=0/100
Encryption key

n
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s
11 Mb/s; 12 M

Now the logs in dmesg:

starting radio scan
acx_i_timer: adev->status=1 (SCANNING)
continuing scan (1 sec)
scan table: SSID="Quali" CH=6 SIR=17 SNR=0
peer_cap 0x0431, needed_cap 0x0001
ESSID doesn't match! ('Quali' station, 'QUALI' config)
scan table: SSID="Venture" CH=6 SIR=7 SNR=0
peer_cap 0x0411, needed_cap 0x0001
ESSID doesn't match! ('Venture' station, 'QUALI' config)
no matching station found in range yet
acx_set_status(1):SCANNING

See my /etc/netwok/interfaces

iface wlan0 inet static
address 192.168.0.12
netmask 255.255.255.0
gateway 192.168.0.254
wireless-essid QUALI
wireless-key QUALI

It was created about gnome-network tool.Faria
Where is the problem ?

Best regards,

Faria

rodrigofariat · 02-08-2008, 05:59 AM

Hello Pentnode,

Really there was a driver dueling, acx and linux-wlan-ng.
So I removed linux-wlan-ng

Now I can to get up my wireless with a IP Address, but it's fail with communication with network, setting dhcp fail too.

debian:~# iwlist wlan0 scan
wlan0 Scan completed :
Cell 01 - Address: 00:15:E9:33:40

0
ESSID:"Quali"
Mode:Master
Frequency:2.437 GHz (Channel 6)
Quality=46/100 Signal level=24/100 Noise level=0/100
Encryption key

n
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s
11 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Cell 02 - Address: 08:10:73:0A:56:46
ESSID:"Venture"
Mode:Master
Frequency:2.437 GHz (Channel 6)
Quality=34/100 Signal level=7/100 Noise level=0/100
Encryption key

n
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s
11 Mb/s; 12 M

Now the logs in dmesg:

starting radio scan
acx_i_timer: adev->status=1 (SCANNING)
continuing scan (1 sec)
scan table: SSID="Quali" CH=6 SIR=17 SNR=0
peer_cap 0x0431, needed_cap 0x0001
ESSID doesn't match! ('Quali' station, 'QUALI' config)
scan table: SSID="Venture" CH=6 SIR=7 SNR=0
peer_cap 0x0411, needed_cap 0x0001
ESSID doesn't match! ('Venture' station, 'QUALI' config)
no matching station found in range yet
acx_set_status(1):SCANNING

See my /etc/netwok/interfaces

iface wlan0 inet static
address 192.168.0.12
netmask 255.255.255.0
gateway 192.168.0.254
wireless-essid QUALI
wireless-key QUALI

It was created about gnome-network tool.Faria
Where is the problem ?

Best regards,

Faria

pentode · 02-08-2008, 10:47 AM

Take a look at /etc/network/interfaces and see what is listed for wlan0. You may need to edit this with the correct essid and security settings.

If possible, turn off router security entirely until you can get connected reliably.

Are you getting this IP address via DHCP or setting it manually? Generally it's simpler to use DHCP and let the router do the work, at least initially.

Also, I assume you're sure this is the correct driver for this wireless NIC?