Cisco Cisco 4404 Wireless LAN Controller

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Release Notes for Cisco Wireless LAN Controllers and Lightweight Access Points for Release 4.0.179.8
OL-11101-01
  Caveats
CSCsb87264—If WLAN ID 1 is not configured on the controller, a REAP access point broadcasts 
the “Airespace” SSID after entering standalone mode. Clients can access this unsecured SSID and 
use the REAP access point to access the network.
Workaround: Be sure to properly configure WLAN ID 1.
CSCsb88588—Incorrect power levels are reported for access points when the controller is set to 
country code SG.
Workaround: None for this release.
CSCsc02860—When users download the code image to a Cisco WiSM for the first time, the WiSM 
fails to download the new image to flash memory.
Workaround: Download new code images to the WiSM a second time.
CSCsc03644—Cisco lightweight access points do not retain location parameters after a reboot.
Workaround: None at this time.
CSCsc04907—Resetting the access point to factory defaults does not clear the static IP address. 
Workaround: Clear the access point’s static IP address by hand.
CSCsc05495—Controllers intermittently send a state attribute 24 in an access-request packet.
Workaround: Apply the Microsoft KB 883659 patch to IAS. The Microsoft patch may or may not 
work. There is no workaround on the controller.
CSCsc11660—The current country screen is not 100% accurate for all deployment scenarios, which 
may cause confusion in some instances. 
Workaround: None at this time. 
CSCsc20416—ACU site survey disassociates other clients in the LWAPP environment.
Workaround: None at this time.
CSCsc65354—IDS is unable to detect a deauthentication flood attack under certain conditions. 
Workaround: None at this time.
CSCsc68154—The controller’s error log repeatedly displays the “Got an idle-timeout message from 
an unknown client” error message for some unknown reason.
Workaround: None at this time.
CSCsd02837—The CB21AG client adapter may not send re-association requests with CCKM keys 
when roaming between controllers.
Workaround: Use a different client adapter.
CSCsd25491—The management IP address of a controller incorrectly sends an ARP request for a 
client IP address on a WLAN subnet over the wired interface. The ARP request is not answered 
because the management IP address and the client WLAN are on different subnets.
Workaround: None at this time.
CSCsd27529—Static WEP does not operate properly for a REAP access point in standalone mode. 
Workaround: None at this time.
CSCsd52483—When you make changes in the boot loader of a 2006 controller or a Controller 
Network Module, the bootup process may halt, and the controller may stop responding. 
Workaround: None at this time. The controller must be returned for repair through the RMA process.