Odd behaviour between 7920 and AIR-AP1231G-A-K9

To start, I'm running an AIR-AP1231G-A-K9 (12.3(4)JA) with two 7920 phones (one at ) configured using LEAP.
First issue:
I originally had my ap interface Dot11Radio0 configured with:
speed basic-1.0 basic-2.0 basic-5.5 basic-6.0 basic-9.0 basic-11.0 basic-12.0 basic-18.0 basic-24.0 basic-36.0 basic-48.0 basic-54.0
but the phone didn't like this at all, so I changed the config to:
speed basic-1.0 2.0 5.5 6.0 9.0 11.0 12.0 18.0 24.0 36.0 48.0 54.0
and everything seems ok with the ap with the speed reconfig.
Second issue:
I had to remove broadcast-key vlan 200 change 300 because the phone would lose connection to the ap after 5 minutes and couldn't reconnect. I'm assuming the phone wasn't receiving the new key...
Third Issue:
Periodically the phone will drop off the associated ap after sucessful operation and return with Authentication Failed. We receive the message:
Apr 29 12:45:40.661: Client 0013.1a4c.337b failed: Incorrect BSSID in re-assoc request
Apr 29 12:45:55.830: Client 0013.1a4c.337b failed: Incorrect BSSID in re-assoc request
on all the access points within range of the phone as the phone tries to reconnect. Periodically it will reassociate and get a message "Network Busy!!!"
Any ideas on any of these issues?
Thanks!
Stephen

For #1, 7920 is B only, so if you have G (OFDM) ratest set to mandatory then 7920 will not be able to associate. We recommend the following for a G radio as you want to optimize for 11mbps.
interface dot11radio 0
speed basic-11.0 18.0 24.0 36.0 48.0 54.0
For #2, the 7920 does support broadcast vlan change, but ensure you are using wep ciphers not tkip/ckip.
For #3, sounds like you are running 1.08 code on the 7920 where there is an issue w/ 12.3(4)JA AP code when trying to roam/reassociate. Look at CSCeg33605 at http://www.cisco.com/univercd/cc/td/doc/product/voice/c_ipphon/english/wip7920/relnotes/rn109.htm#wp112162. Need to upgrade to 1.09 code, which can be downloaded at http://www.cisco.com/cgi-bin/tablebuild.pl/ip-7900ser-crypto.

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Regards,
Christopher Koeber
!version 12.3no service padservice timestamps debug datetime msecservice timestamps log datetime msecservice password-encryption!hostname AP-6!enable secret {authentication information}enable password {authentication information}!username Cisco password {authentication information}username admin password {authentication information}ip subnet-zeroip domain name {Domain Information}!no aaa new-model!dot11 ssid (Secure) Staff/Faculty vlan 70 authentication open !dot11 ssid Public vlan 60 authentication open guest-mode!!!bridge irb!!interface Dot11Radio0 no ip address no ip route-cache ! ssid (Secure) Staff/Faculty ! ssid Public ! short-slot-time speed basic-1.0 2.0 5.5 6.0 9.0 11.0 12.0 18.0 24.0 36.0 48.0 54.0 station-role root no cdp enable!interface Dot11Radio0.60 encapsulation dot1Q 60 native no ip route-cache no cdp enable bridge-group 60 bridge-group 60 subscriber-loop-control bridge-group 60 block-unknown-source no bridge-group 60 source-learning no bridge-group 60 unicast-flooding bridge-group 60 spanning-disabled!interface Dot11Radio0.70 encapsulation dot1Q 70 no ip route-cache no cdp enable bridge-group 70 bridge-group 70 subscriber-loop-control bridge-group 70 block-unknown-source no bridge-group 70 source-learning no bridge-group 70 unicast-flooding bridge-group 70 spanning-disabled!interface FastEthernet0 no ip address no ip route-cache duplex auto speed auto!interface FastEthernet0.60 encapsulation dot1Q 60 native ip address 10.60.255.6 255.255.0.0 no ip route-cache bridge-group 60 no bridge-group 60 source-learning no bridge-group 60 unicast-flooding bridge-group 60 spanning-disabled!interface FastEthernet0.70 encapsulation dot1Q 70 ip address dhcp no ip route-cache bridge-group 70 no bridge-group 70 source-learning no bridge-group 70 unicast-flooding bridge-group 70 spanning-disabled!interface BVI1 ip address 10.60.255.6 255.255.0.0 no ip route-cache!ip default-gateway 10.60.0.1ip http serverno ip http secure-serverip http help-path http://www.cisco.com/warp/public/779/smbiz/prodconfig/help/eagip radius source-interface BVI1 logging snmp-trap emergencieslogging snmp-trap alertslogging snmp-trap criticallogging snmp-trap errorslogging snmp-trap warnings!!!line con 0 transport preferred all transport output allline vty 0 4 login local transport preferred all transport input all transport output allline vty 5 15 login transport preferred all transport input all transport output all!end

Hi Christopher,
Couple of suggestions before moving forward:
1. I would first secure these WLANs with a least a pre-shared key if possible(WPA/WPA2). Let me know if you need information on how to do this.
2. Next, I would remove the 'short-slot-time' on the radio:
config terminal
interface do0
no short-slot-time
end
If your users continue to have issues, I would want more information on the types of clients in the environment as well as wireless adapter make/model/driver version.

Odd behaviour between 7920 and AIR-AP1231G-A-K9

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