Cisco Cisco 2000 Series Wireless LAN Controller
20
Release Notes for Cisco Wireless LAN Controllers and Lightweight Access Points for Release 4.0.155.5
OL-10826-02
Caveats
Caveats
This section lists open and resolved caveats for Cisco controllers and lightweight access points.
Open Caveats in Software Release 4.0.155.5
•
CSCse68633—Controllers in hybrid-REAP standalone mode support new WPA-PSK clients using
only TKIP (not AES) and new WPA2-PSK clients using only AES (not TKIP).
only TKIP (not AES) and new WPA2-PSK clients using only AES (not TKIP).
Workaround: Be sure to use WPA-PSK TKIP clients and WPA2-PSK AES clients.
•
CSCse73315—When the controller is upgraded from 3.2.150.10 to 4.0.155.5, any access point
group VLAN configuration may be lost.
group VLAN configuration may be lost.
Workaround: Save your configuration before upgrading the controller software and restore it if you
experience any configuration loss.
experience any configuration loss.
Open Caveats in Software Release 4.0.155.0
•
CSCar14535—When configuring a mobility group anchor that is not part of the mobility member
list, the controller displays an “Invalid Parameter Provided” error message.
list, the controller displays an “Invalid Parameter Provided” error message.
Workaround: Make sure that the anchor controller is a mobility group member.
•
CSCsb01980—When the operator enters incorrect data for the management interface in the
controller web configuration wizard, error messages are shown only at the end of the wizard, and
the user must return to the Management Interface page for correction. The data entered on the
Management Interface page, such as the port number, are not validated immediately but at the end
of the wizard. As a result, any error messages are shown only at the end.
controller web configuration wizard, error messages are shown only at the end of the wizard, and
the user must return to the Management Interface page for correction. The data entered on the
Management Interface page, such as the port number, are not validated immediately but at the end
of the wizard. As a result, any error messages are shown only at the end.
Workaround: This problem can cause some inconvenience, and the user may prefer to use the CLI
configuration wizard instead to avoid it.
configuration wizard instead to avoid it.
•
CSCsb01983—The controller web configuration wizard is not reachable after making repeated
invalid entries for the management interface port. If an operator connects to the wizard on address
192.168.1.1 and enters an invalid port number on the Management Interface page, the operator is
redirected at the end of the wizard to the Management Interface page to correct the port. If the
operator enters an incorrect port and submits, the wizard becomes inaccessible.
invalid entries for the management interface port. If an operator connects to the wizard on address
192.168.1.1 and enters an invalid port number on the Management Interface page, the operator is
redirected at the end of the wizard to the Management Interface page to correct the port. If the
operator enters an incorrect port and submits, the wizard becomes inaccessible.
Workaround: Reboot the controller through the CLI to access the wizard again.
•
CSCsb20269—On the Cisco WiSM, when the service VLAN is configured as one of the VLANs on
a data port, it does not operate correctly.
a data port, it does not operate correctly.
Workaround: Do not configure the service VLAN as one of the VLANs on a data port.
•
CSCsb77595—When logging out from Telnet/SSH sessions, the session always prompts the user to
save changes, even when no changes have been made.
save changes, even when no changes have been made.
Workaround: Ignore the prompt and exit as usual.
•
CSCsb85113—When users download the code image to the Cisco WiSM using the CLI, associated
access points are sometimes disconnected.
access points are sometimes disconnected.
Workaround: Download new code images to the WiSM at times when there are no clients to be
affected.
affected.