[Tfug] Urgent: need to ID some Network Manager icons - STAT!

Bowie J. Poag bpoag at comcast.net
Tue Jun 12 19:31:45 MST 2012


Type this at your shell prompt exactly as you see it:

while true
do
sudo iwlist wlan0 scanning | grep Qual
sleep 1
done


Now, pick up your laptop and walk around, and find the direction where the signal level is highest. The signal level will update once per second.



Sent from my iPad

On Jun 12, 2012, at 7:04 PM, Mathias Gibbens <mathias at calenhad.com> wrote:

> On Tue, 2012-06-12 at 18:47 -0700, Jim March wrote:
>> Disconnecting from my cellphone helped - can anyone help translate this below?
>> 
>> IF those are in fact ad-hoc, that's potentially bad.
>> 
>> Jim
>> 
>> ---
>> 
>> jim at jim-blackthing:~$ sudo iwlist wlan0 scanning
>> [sudo] password for jim:
>> wlan0     Scan completed :
>>          Cell 01 - Address: 7C:61:93:39:1C:FD
>>                    Channel:6
>>                    Frequency:2.437 GHz (Channel 6)
>>                    Quality=70/70  Signal level=-22 dBm
>>                    Encryption key:on
>>                    ESSID:"PrettyFlyForAWiFi"
>>                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
>>                              24 Mb/s; 36 Mb/s; 54 Mb/s
>>                    Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 48 Mb/s
>>                    Mode:Master
>>                    Extra:tsf=0000000074d2419a
>>                    Extra: Last beacon: 1640ms ago
>>                    IE: Unknown: 0011507265747479466C79466F724157694669
>>                    IE: Unknown: 010882848B962430486C
>>                    IE: Unknown: 030106
>>                    IE: Unknown: 2A0100
>>                    IE: Unknown: 2F0100
>>                    IE: IEEE 802.11i/WPA2 Version 1
>>                        Group Cipher : CCMP
>>                        Pairwise Ciphers (1) : CCMP
>>                        Authentication Suites (1) : PSK
>>                    IE: Unknown: 32040C121860
>>                    IE: Unknown: DD09001018020000040000
>>                    IE: Unknown:
>> DD180050F2020101800003A4000027A4000042435E0062322F00
>>          Cell 02 - Address: 6E:4B:8D:A4:25:B0
>>                    Channel:1
>>                    Frequency:2.412 GHz (Channel 1)
>>                    Quality=33/70  Signal level=-77 dBm
>>                    Encryption key:off
>>                    ESSID:"HPC4380E"
>>                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
>>                    Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
>>                              36 Mb/s; 48 Mb/s; 54 Mb/s
>>                    Mode:Ad-Hoc
>>                    Extra:tsf=000005d623777027
>>                    Extra: Last beacon: 1716ms ago
>>                    IE: Unknown: 00084850433433383045
>>                    IE: Unknown: 010482848B96
>>                    IE: Unknown: 030101
>>                    IE: Unknown: 06020000
>>                    IE: Unknown: 0706555320010B14
>>                    IE: Unknown: 2A0100
>>                    IE: Unknown: 32080C1218243048606C
>>          Cell 03 - Address: 02:2A:8A:03:0E:01
>>                    Channel:10
>>                    Frequency:2.457 GHz (Channel 10)
>>                    Quality=37/70  Signal level=-73 dBm
>>                    Encryption key:off
>>                    ESSID:"HPC4788C"
>>                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
>>                    Mode:Ad-Hoc
>>                    Extra:tsf=000008a343e9d409
>>                    Extra: Last beacon: 1600ms ago
>>                    IE: Unknown: 00084850433437383843
>>                    IE: Unknown: 010482848B96
>>                    IE: Unknown: 03010A
>>                    IE: Unknown: 06020000
>>                    IE: Unknown: 0706555320010B14
>> 
>> jim at jim-blackthing:~$
>> 
>> _______________________________________________
>> Tucson Free Unix Group - tfug at tfug.org
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> 
> Both HPC networks are showing up as ad-hoc (the "Mode:Ad-Hoc" line in
> the output) and are not using encryption ("Encryption key:off"). The
> signal quality is also low, which is may be why you are unable to
> connect to them.
> 
> I've seen XP remember networks and subsequently rebroadcast them as
> ad-hoc when I worked at a help desk. Here's a page from OSU about it:
> <http://8help.osu.edu/3655.html>.
> 
> I'd second the suggestion to try walking around and pinpointing the
> location of the devices. Not knowing what kind of building you're in,
> they might be in another area / floor / room, or even a different
> building next door.
> 
> Mathias
> _______________________________________________
> Tucson Free Unix Group - tfug at tfug.org
> Subscription Options:
> http://www.tfug.org/mailman/listinfo/tfug_tfug.org




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