Cisco Cisco Aironet 1240 AG Access Point Release Notes

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Release Notes for Cisco Aironet Access Points and Bridges for Cisco IOS Release 12.4(10b)JA1
OL-15533-01
  Important Notes
Cisco CKM Supports Spectralink Phones
Cisco CKM (CCKM) key management is designed to support voice clients that require minimal roaming 
times. CCKM supports only Spectralink and Cisco 7920 Version 2.0 Wireless Phones. Other voice 
clients are not supported.
Non-Cisco Aironet Clients Sometimes Fail 802.1x Authentication
Some non-Cisco Aironet client adapters do not perform 802.1x authentication to the access point unless 
you configure Open authentication with EAP. To allow both Cisco Aironet clients using LEAP and 
non-Cisco Aironet clients using LEAP to associate using the same SSID, you might need to configure 
the SSID for both Network EAP authentication and Open authentication with EAP.
Pings and Link Tests Sometimes Fail to Clients with Both Wired and Wireless 
Network Connections
When you ping or run a link test from an access point to a client device installed in a PC running 
Microsoft Windows 2000, the ping or link test sometimes fails when the client has both wired and 
wireless connections to the LAN. Microsoft does not recommend this configuration. For more 
information, refer to Microsoft Knowledge Base article 157025 at this URL:
Layer 3 Mobility Not Supported on Repeaters and Workgroup Bridges
Repeater access points and workgroup bridges cannot associate to an SSID configured for Layer 3 
mobility. Layer 3 mobility is not supported on repeaters and workgroup bridges.
WLSM Required for Layer 3 Mobility
You must use a Wireless LAN Services Module (WLSM) as your WDS device in order to properly 
configure Layer 3 mobility. If you enable Layer 3 mobility for an SSID and your WDS device does not 
support Layer 3 mobility, client devices cannot associate using that SSID.