this is what iwlist scanning shows, while I also attach a screenshot of
what network-manager sees. This is on feisty, but I've seen it on edgy
(and probably dapper) as well.
[EMAIL PROTECTED]:/home/spotter # iwlist ath0 scanning
ath0 Scan completed :
Cell 01 - Address: 00:14:51:71:F6:C5
ESSID:"100-B-6-D"
Mode:Master
Frequency:2.412 GHz (Channel 1)
Quality=28/94 Signal level=-67 dBm Noise level=-95 dBm
Encryption key:on
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Extra:bcn_int=100
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : TKIP
Authentication Suites (1) : PSK
Cell 02 - Address: 00:04:E2:7D:CE:DC
ESSID:"blah"
Mode:Master
Frequency:2.462 GHz (Channel 11)
Quality=12/94 Signal level=-83 dBm Noise level=-95 dBm
Encryption key:on
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Extra:bcn_int=100
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : TKIP
Authentication Suites (1) : PSK
Cell 03 - Address: 00:16:01:2D:C5:22
ESSID:"shaya-g"
Mode:Master
Frequency:2.437 GHz (Channel 6)
Quality=54/94 Signal level=-41 dBm Noise level=-95 dBm
Encryption key:on
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; 6 Mb/s; 9 Mb/s
12 Mb/s; 48 Mb/s
Extra:bcn_int=100
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Cell 04 - Address: 00:05:5D:25:97:FC
ESSID:"shaya-a"
Mode:Master
Frequency:5.32 GHz (Channel 64)
Quality=54/94 Signal level=-41 dBm Noise level=-95 dBm
Encryption key:on
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
Extra:bcn_int=100
Cell 05 - Address: 00:11:95:36:48:CD
ESSID:"default"
Mode:Master
Frequency:2.437 GHz (Channel 6)
Quality=16/94 Signal level=-79 dBm Noise level=-95 dBm
Encryption key:off
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
12 Mb/s; 24 Mb/s; 36 Mb/s; 9 Mb/s; 18 Mb/s
48 Mb/s; 54 Mb/s
Extra:bcn_int=100
Extra:ath_ie=dd0900037f01010007ff7f
Cell 06 - Address: 00:11:95:39:1D:49
ESSID:"default"
Mode:Master
Frequency:2.437 GHz (Channel 6)
Quality=4/94 Signal level=-91 dBm Noise level=-95 dBm
Encryption key:off
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
Extra:bcn_int=100
Cell 07 - Address: 00:16:B6:3F:E9:A5
ESSID:"linksys_SES_64051"
Mode:Master
Frequency:2.437 GHz (Channel 6)
Quality=3/94 Signal level=-92 dBm Noise level=-95 dBm
Encryption key:on
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; 6 Mb/s; 9 Mb/s
12 Mb/s; 48 Mb/s
Extra:bcn_int=100
Cell 08 - Address: 00:09:5B:D7:10:3E
ESSID:"NETGEAR"
Mode:Master
Frequency:2.462 GHz (Channel 11)
Quality=15/94 Signal level=-80 dBm Noise level=-95 dBm
Encryption key:on
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
48 Mb/s; 54 Mb/s
Extra:bcn_int=100
as you can see, a decent amount (and most notably shaya-a) of access
points are not available to me via network-manager.
** Attachment added: "what network-manager lets me see"
http://librarian.launchpad.net/5063509/wireless.jpg
--
network-manager ignores access points
https://launchpad.net/bugs/71646
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