confirmed.
previously success connecting via WPA. Now, when I switch from "WPA
(TKIP)" to "WPA2 (CCMP)" on my router (AVM FRITZ!Box) network-manager
wouldn't connect any longer. Also, signal strength goes down to zero
(shown by Network Monitor applet). When I run the router in mixed mode
(both WPA & WPA2) network-manager will only connect with WPA(1).
TKIP -> CCMP. Output from iwevent:
22:58:12.222225 wlan0 New Access Point/Cell address:Not-Associated
22:58:33.244050 wlan0 Set Encryption key:off
22:58:37.007310 wlan0 Set Mode:Managed
CCMP -> TKIP (switched back). iwevent reports New Access Point/Cell and
Network Monitor applet showes good signal strength. But only after sudo
/etc/dbus-1/event.d/25NetworkManager restart will network-manager
reconnect via wlan0.
On CCMP iwlist scan reports:
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : TKIP
Authentication Suites (1) : PSK
and on TKIP iwlist scan reports:
IE: WPA Version 1
Group Cipher : WEP-40
Pairwise Ciphers (1) : WEP-40
Authentication Suites (1) : PSK
Searching for wireless in gconf-editor wouldn't show any results so I couldn't
test the above.
--
[Gutsy] Unable to connect to WPA2 if the AP was previously using WPA
https://bugs.launchpad.net/bugs/140422
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