On Friday 14 November 2008 15:33:20 Chuck Anderson
wrote:
> On Fri, Nov 14, 2008 at 03:15:40PM +0000, Anne
Wilson wrote:
> > [root@AAO ~]# iwlist scanning
> >
> > wlan0 No scan results
>
> Either the card isn't "up" or something else is wrong.
Can you try
> these in this order:
>
> ifconfig wlan0 up
>
> ifconfig wlan0
>
wlan0 Link encap:Ethernet HWaddr
00:22:33:44:55:66
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 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)
I did read somewhere that a MTU of 1400 is better.
> iwconfig wlan0
>wlan0 IEEE 802.11bg ESSID:""
Mode:Managed Frequency:2.412 GHz Access
Point: Not-Associated
Tx-Power=27 dBm
Retry min limit:7 RTS thr:off Fragment thr=2352
B
Encryption key:off
Power Management: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
Now that's a report I haven't seen before. It appears that
neither my ESSID or key are being read from the file that
surely must be created when NM configures the
connection.
> iwlist scanning
As before - No scan results.
Wow - some progress, if only small. In view of what
appears above I renamed ifcfg-wlan0 and created a new
one. I immediately got a popup saying that I am now
connected to myESSID. BUT, the icon shows a very weak
signal, and ifconfig shows that it has the address
10.42.44.1, while my network is a 192.168.0.x LAN.
This is the situation I reached a couple of days ago, and
I'm comopletely foxed by it.
Running iwconfig wlan0 again I now get
wlan0 IEEE 802.11bg ESSID:"myESSID"
Mode:Ad-Hoc Frequency:2.412 GHz Cell:
36:8F:3A:45:3F:BC
Tx-Power=27 dBm
Retry min limit:7 RTS thr:off Fragment thr=2352
B
Power Management: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
I tried changing the setup from ad-hoc to Infrastructure,
but that breaks things - I can no longer connect.
FWIW, my router does not list this netbook as a
connected device.
Anne
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