Примечания к выпуску для Cisco Cisco 2000 Series Wireless LAN Controller

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This section lists resolved and open caveats for Cisco controllers and lightweight access points.

CSCsd23638—LWAPP-enabled access points are able to join a controller running software release 
4.0.155.0 but are unable to download the image.

CSCsd34445—An AP1230 joined to a controller may show periodic trace backs, indicating a leak 
in IO memory.

CSCse58195—When you upgrade from controller software release 3.0.x.x to 3.2.x.x, any access 
control lists (ACLs) that were previously configured or applied to interfaces are removed or 
disabled.

CSCse60203—Cisco Aironet 1100 and 1200 series access points sometimes fail to upgrade from 
release 3.2.150.6 to release 4.0.

CSCse64027—LWAPP-enabled IOS access points joined to a controller running software release 
3.2.150.6 or 4.0.155.0 may disconnect and reconnect every 120 hours when the access point's 
heartbeat timer is set to the default value of 30 seconds. When the heartbeat timer is set to a smaller 
value (such as 10 seconds), the disconnect occurs more frequently (such as every 40 hours). While 
the access point is disconnected from the controller, clients are unable to associate to this access 
point.

CSCek16101—The Controller Network Module does not have the correct time when it is first 
booted up because it does not have a real-time clock. Therefore, it contacts the NTP server during 
the initial bootup to obtain the correct time. If the controller cannot reach the NTP server, it 
eventually gives up and boots without the correct time. When this happens, access points cannot 
register with the controller. The controller must wait for at least one hour before trying to poll the 
NTP server again for the correct time.

CSCsb39522—When a user changes the setting from a static IP address to DHCP and the DHCP IP 
address is not available, the supervisor loses keepalive, and the WiSM sends a WCP going down 
trap. Similarly, when a user changes a static IP address and enters an incorrect subnet on the service 
port, the supervisor detects a loss of WCP keepalive, and the WiSM sends a WCP going down trap.