Setting up WiFi on PB with AirPort Extreme

Tue Aug 15 15:15:18 MDT 2006

Dear list

I setup my internal AirPort Extreme wireless card using the "script"  
shown below. I am, however, unable to send/receive e-mail or bring up  
web pages. Some details and diagnostics:

# modprobe ieee80211softmac

# modprobe bcm43xx

# ifconfig eth1 up

# ip link set eth1 up

# ifconfig
eth1      Link encap:Ethernet  HWaddr 00:11:24:a2:d2:5d
           UP BROADCAST MULTICAST  MTU:1500  Metric:1
           RX packets:0 errors:0 dropped:10 overruns:0 frame:0
           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:1000
           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
           Interrupt:52 Base address:0x8000

lo        Link encap:Local Loopback
           inet addr:127.0.0.1  Mask:255.0.0.0
           inet6 addr: ::1/128 Scope:Host
           UP LOOPBACK RUNNING  MTU:16436  Metric:1
           RX packets:1593 errors:0 dropped:0 overruns:0 frame:0
           TX packets:1593 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 txqueuelen:0
           RX bytes:1973874 (1.8 MiB)  TX bytes:1973874 (1.8 MiB)

# iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

Warning: Driver for device eth1 has been compiled with version 20
of Wireless Extension, while this program supports up to version 17.
Some things may be broken...

eth1      IEEE 802.11b/g  ESSID:off/any  Nickname:"Broadcom 4306"
           Mode:Managed  Frequency=2.437 GHz  Access Point:  
FF:FF:FF:FF:FF:FF
           Bit Rate:11 Mb/s   Tx-Power=15 dBm
           RTS thr:off   Fragment thr:off
           Encryption key:off
           Link Quality:0  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

sit0      no wireless extensions.

# iwconfig eth1 essid Myessid

# iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

Warning: Driver for device eth1 has been compiled with version 20
of Wireless Extension, while this program supports up to version 17.
Some things may be broken...

eth1      IEEE 802.11b/g  ESSID:"Myessid"  Nickname:"Broadcom 4306"
           Mode:Managed  Frequency=2.462 GHz  Access Point:  
00:11:24:a2:d2:5d
           Bit Rate:11 Mb/s   Tx-Power=15 dBm
           RTS thr:off   Fragment thr:off
           Encryption key:off

[root at localhost ~]# ip link show eth1
3: eth1: <BROADCAST,MULTICAST,UP,10000> mtu 1500 qdisc pfifo_fast  
qlen 1000
     link/ether 00:11:24:a2:d2:5d brd ff:ff:ff:ff:ff:ff

# iwlist eth1 scan
Warning: Driver for device eth1 has been compiled with version 20
of Wireless Extension, while this program supports up to version 17.
Some things may be broken...

eth1      Scan completed :
           Cell 01 - Address: 00:11:24:a2:d2:5d
                     ESSID:"Myessid"
                     Protocol:IEEE 802.11bg
                     Mode:Master
                     Channel:11
                     Encryption key:off
                     Bit Rate:54 Mb/s
                     Extra: Rates (Mb/s): 1 2 5.5 6 9 11 12 18 24 36  
48 54
                     Quality=100/100  Signal level=-144 dBm
                     Extra: Last beacon: 43ms ago
           Cell 02 - Address: 00:11:24:45:66:2e
                     ESSID:"neighbouressid"
                     Protocol:IEEE 802.11bg
                     Mode:Master
                     Channel:11
                     Encryption key:off
                     Bit Rate:54 Mb/s
                     Extra: Rates (Mb/s): 1 2 5.5 9 11 6 12 18 24 36  
48 54
                     Quality=100/100  Signal level=-203 dBm
                     Extra: Last beacon: 29ms ago
           Link Quality=100/100  Signal level=2/3  Noise level=185/100
           Rx invalid nwid:0  Rx invalid crypt:33  Rx invalid frag:0
           Tx excessive retries:0  Invalid misc:0   Missed beacon:0

sit0      no wireless extensions.

Then to bring up the network:

/sbin/dhclient-script: configuration for eth1 not found. Continuing  
with defaults.
/etc/sysconfig/network-scripts/network-functions: line 46: eth1: No  
such file or directory
Listening on LPF/eth1/00:11:24:a2:d2:5d
Sending on   LPF/eth1/00:11:24:a2:d2:5d
Listening on LPF/eth0/00:11:24:45:66:2e
Sending on   LPF/eth0/00:11:24:45:66:2e
Sending on   Socket/fallback
DHCPDISCOVER on eth1 to 255.255.255.255 port 67 interval 6
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 6
DHCPOFFER from 192.168.1.1
DHCPREQUEST on eth1 to 255.255.255.255 port 67
DHCPACK from 192.168.1.1
/sbin/dhclient-script: configuration for eth1 not found. Continuing  
with defaults.
/etc/sysconfig/network-scripts/network-functions: line 46: eth1: No  
such file or directory
bound to 192.168.1.104 -- renewal in 41822 seconds.
[root at localhost ~]#

The KWiFiManager application shows green bars for the signal strength  
with the following parameter values:

Interface eth1
Connection Speed:---------------->11
Signal strength: 100
Connected to Network: Home
Access Point: 00:11:24:45:66:2e
Local IP: 192.168.1.104
Frequency[channel]: 2.462[11]

Two questions concerning the setup of my Linux WiFi connection:

Q1: If I prepare a bash script of the command sequence above, where  
do I place the script in order to automatically activate my W-Fi  
connection at startup?
Q2: I cannot bring up a webpage in Firefox. I get a "Server not  
found" error. Why?

Comment:  I cannot log out after this. I was obliged to disconnect  
the laptop battery in order to reboot.

Any ideas on why the wireless connection is still not working. Thanks  
in advance.
E
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