Bug 253446 - Networkmanager improperly combines 802.11a and 802.11bg with same BSSID
Networkmanager improperly combines 802.11a and 802.11bg with same BSSID
Status: CLOSED RAWHIDE
Product: Fedora
Classification: Fedora
Component: NetworkManager (Show other bugs)
7
All Linux
low Severity high
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Assigned To: Dan Williams
Fedora Extras Quality Assurance
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Depends On:
Blocks:
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Reported: 2007-08-19 13:57 EDT by Derek Atkins
Modified: 2008-04-10 16:41 EDT (History)
2 users (show)

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Fixed In Version:
Doc Type: Bug Fix
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Clone Of:
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Last Closed: 2008-04-10 16:41:40 EDT
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Description Derek Atkins 2007-08-19 13:57:29 EDT
Description of problem:

I've got a D-Link DWL-7100AP that uses the same BSSID for both 802.11a and
802.11bg.  I have them configured with different ESSIDs.  Now that bug #250913
has been fixed the iwl3945 driver shows scan results for both networks properly,
but NetworkManager still improperly combines them.  In the drop-down list I only
see one or the other, but never both networks.

Version-Release number of selected component (if applicable):

NetworkManager-glib-0.6.5-7.fc7
NetworkManager-0.6.5-7.fc7
NetworkManager-gnome-0.6.5-7.fc7
kernel-2.6.22.2-57.bz250913.1.fc7

How reproducible:

This is 100% reproducible.

Steps to Reproduce:
1. Have an a/b/g AP that uses the same BSSID on both wireless networks
2. Setup the wireless networks with different ESSIDs
3. Make sure your kernel reports both networks
4. Watch NM combine them and only show you one network.  Which one seems
   to vary and isn't always consistent.
  
Actual results:

I only see one of my networks.  And indeed right now iwconfig shows I'm
connected to my 802.11a network, and my 802.11a network is in the list, but
hovering over nm-applet says I'm connected to '(unknown)'.

Expected results:

I should see both my 802.11a and 802.11bg networks in NM.

Additional info:

Here are the partial scan results:

          Cell 02 - Address: 00:0F:3D:EE:5C:DC
                    ESSID:"ihtfp"
                    Mode:Master
                    Channel:6
                    Frequency:2.437 GHz (Channel 6)
                    Quality=94/100  Signal level=-35 dBm  Noise level=-63 dBm
                    Encryption key:on
                    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:tsf=000000f2a7d94fcb
          Cell 04 - Address: 00:0F:3D:EE:5C:DC
                    ESSID:"ihtfp-a"
                    Mode:Master
                    Channel:52
                    Frequency:5.26 GHz (Channel 52)
                    Quality=65/100  Signal level=-41 dBm  Noise level=-67 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:tsf=000000f2a801bd3b
Comment 1 Dan Williams 2008-04-10 16:41:40 EDT
Fixed in F8 and rawhide; APs are broken out by band, security, and SSID

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