Table Of Contents
Release Notes for Cisco Aironet
340 and 350 Series Access Points
Running Firmware Version 11.05a
This document describes requirements, installation procedures, and caveats for Cisco Aironet access point firmware version 11.05a. This release resolves caveats CSCdw63011 and CSCdw63031.
You must have a Cisco Aironet 340 or 350 series access point to install firmware version 11.05a.
Your access point must be running firmware version 10.x or later to install firmware version 11.05a.
Upgrading to a New Firmware Release
Determining the Firmware Version
The firmware version number appears in the upper-left corner of most access point management screens in the browser interface and at the top of the home (Summary Status) page in the command-line interface.
For instructions on installing access point firmware:
1. Follow this link to the Cisco Aironet documentation home page:
2. Follow this link to the product, document and chapter:
Aironet 350 Series Wireless LAN Products > Cisco Aironet 350 Series Access Points > Cisco Aironet Access Point Software Configuration Guide > Maintaining Firmware > Updating Firmware
3. Follow this link to the Software Center on Cisco.com and download firmware version 11.05a:
Note To upgrade firmware from a file server, you must enter settings on the access point's FTP Server Setup page. Consult the "Updating from a File Server" section in the Cisco Aironet Access Point Software Configuration Guide for more information.
Limitations and Restrictions
MIB File Compatible with Firmware Version 11.0x
The Cisco Aironet access point MIB file (AWCVX-MIB) is supported by access point firmware versions 11.00 and later. Earlier versions of firmware do not support this MIB.
The following caveats have been resolved in firmware version 11.05a:
•Resolved: CSCdw63011. An error can occur with management protocol processing. Please use this URL for further information:
•Resolved: CSCdw63031. An error can occur with management protocol processing. Please use this URL for further information:
The following caveats were resolved in firmware version 11.05 and are also resolved in version 11.05a:
•Resolved: Difficult to end Telnet session (CSCav00156).
When you finish running a Telnet session to the access point you must close the Telnet window to end the session.
•Resolved: SNMP account names visible through SNMP (CSCdr70629).
All SNMP account names configured on the access point are visible to all users through SNMP.
•Resolved: Network response times might be slow on networks with thousands of client devices (CSCdr95686).
On large, flat networks with thousands of client devices, the access point might respond slowly to network traffic. Segmenting the network into subnets can improve access point performance.
•Resolved: 340 series access points sometimes block Telnet access (CSCds22265).
Use the console port or the browser interface to communicate with the access point.
•Resolved: Corrupt characters sometimes appear in client names in the Association Table (CSCds56664).
Corrupt characters sometimes appear in the names of clients listed in the access point's Association Table.
•Resolved: Links to FTP Server Setup page broken in CLI (CSCds71375).
In the command-line interface, the links to the FTP Server Setup page on the Fully Update Firmware page and the Selectively Update Firmware page do not work.
•Resolved: User management passwords corrupted when updating firmware from version 10.12 to 11.0x (CSCdt07632).
When upgrading access point firmware from version 10.12 to 11.0x with user information in the User Manager database, the user passwords are corrupted during the upgrade.
•Resolved: Repeater access points do not pass traffic with WEP enabled (CSCdt15869).
Access Points can be set up as repeaters but will not pass traffic when WEP is enabled.
•Resolved: SNMP sysObjectID is identical for both 340 and 350 series access points (CSCdt21451).
Because both 340 and 350 series access points have the same SNMP sysObjectID, the devices are both perceived as 340 series access points by a network management platform such as HP OpenView.
•Resolved: Multiple access points respond to IPSU queries (CSCdt28674).
When the IP Setup Utility (IPSU) sends a MAC-address query to find an access point's IP address, several access points respond to the query.
•Resolved: PSP mode causes slow throughput for Symbol handheld scanning devices (CSCdt32927).
Symbol handheld scanning devices receive poor throughput when using power-save mode (PSP).
•Resolved: Protocol filters applied to the access point's Ethernet port are also applied to its radio port (CSCdt34043).
Protocol filters applied to the access point's Ethernet port are also automatically applied to packets received over the access point's radio. For example, a filter set up to block HTTP traffic from the Ethernet also blocks HTTP traffic over the radio even though the user did not set up the filter for radio traffic.
•Resolved: FTP Get throughput on workgroup bridge drops after FTP Put (CSCdt42769).
During an FTP put from a workgroup bridge to an access point, the access point's data rate drops to 1 Mbps. Subsequent FTP Gets from the workgroup bridge are performed at 1 Mbps.
•Resolved: Access points sometimes lock up when set to use long headers only (CSCdt43310).
350 series access points sometimes lock up when they are set to use long headers and antenna diversity and are associated to 350 series client devices using long headers.
•Resolved: Workgroup bridge loses connectivity when roaming from one switch leg to another (CSCdt55661).
When a workgroup bridge roams from one access point to an access point on a different switch leg, the access point to which the workgroup bridge roams does not update the switch with new source information for the workgroup bridge and any of its attached client devices.
•Resolved: Access points stop sending beacons when Symbol handheld scanning devices are associated (CSCdt64819).
When several Symbol hand-held scanning devices are associated to the access point, the access point stops sending beacons within two hours.
•Resolved: Shared-key authentication not available on repeater access points (CSCdt70175).
Repeater access points use open authentication even when shared-key authentication is selected.
The following caveats have not been resolved for firmware version 11.05a:
•Must restart unit twice to enable standby mode (CSCds36123).
When you set up an access point as a standby unit, follow the instructions on page 7-5 in the Cisco Aironet Access Point Software Configuration Guide. When you complete the instruction steps, return to the Hot Standby page and click Start Hot Standby Mode again. When the unit restarts it is in standby mode.
•Access point does not support client devices using LEAP with WEP keys of different lengths (CSCds61358).
The length of the transmit WEP key set on the access point determines the length of the session keys used by LEAP clients. For example, if the transmit key on the access point is a 128-bit key, all LEAP clients associated to the access point must use 128-bit WEP keys.
•Password on FTP Server Setup page ignored in command-line interface (CSCds71448).
In the CLI the password for the FTP Server Setup page is ignored. Workaround: Access the FTP Server Setup page through the browser interface.
•No address filtering pages in console and Telnet interfaces (CSCdt02327).
You cannot set up MAC address filters through the console and Telnet interfaces. Use the browser interface to create and enable MAC address filters.
•Broken help links on access point and bridge CD (CSCdt12716).
If you change the default help root URL on a 350 series access point's Web Server Setup page to use the help files on the Cisco Aironet access point and bridge CD, the help buttons on the AP Radio Port, AP Radio Advanced, AP Radio Hardware, and AP Radio Identification pages will not work. To use the most up-to-date online help, leave the default help root URL at its default setting.
•Successful firmware distribution reports error (CSCdt31501).
When distributing firmware to an access point running firmware version 11.01 or later, the distribute status on the distributing access point reports an error even when the distribution is successful. To verify that the distribution was successful, browse to the access point to which you sent the firmware and check that the firmware has been loaded.
•Filters can be disabled but not edited from the command-line interface (CSCdt34104).
Although an edit link appears for MAC address filters on the command-line interface, the link does not work. However, you can use the CLI's Ethernet Protocol Filters and AP Radio Protocol Filters pages to disable filters.
•Client devices sometimes remain associated to disabled access point instead of switching to standby access point (CSCdt44184).
When the primary access point loses Ethernet connectivity, the standby access point tells the primary access point to shut off its radio so that clients associated to it will associate with the standby access point instead. However, sometimes the primary access point does not shut off its radio and does not disassociate its clients. Workaround: Power cycle both access points and set up Hot Standby again.
•Unauthorized reset of access point possible through Telnet (CSCdt47758).
Unauthorized users can reset the access point by opening a Telnet session and pressing Ctrl-x even when the access point's User Manager is enabled.
Getting Bug Information on Cisco.com
If you are a Cisco registered user, you can use the Cisco TAC Software Bug Toolkit, which consists of three tools (Bug Navigator, Bug Watcher, and Search by Bug ID Number) that help you identify existing bugs (or caveats) in Cisco software products.
Access the TAC Software Bug Toolkit at http://www.cisco.com/support/bugtools/.
For the most up-to-date, detailed troubleshooting information, refer to the Cisco TAC website at http://www.cisco.com/tac. Select Wireless LAN under Top Issues.
Use the following documents in conjunction with this document.
•Quick Start Guide: Cisco Aironet Access Points
•Cisco Aironet Access Point Hardware Installation Guide
•Cisco Aironet Access Point Software Configuration Guide
The following sections provide sources for obtaining documentation from Cisco Systems.
World Wide Web
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Software Configuration Tips on the Cisco TAC Home Page
Visit these Cisco TAC pages for more information on upgrading software. These pages require you to log in as a Cisco registered user.
Obtaining Technical Assistance
Cisco provides Cisco.com as a starting point for all technical assistance. Customers and partners can obtain documentation, troubleshooting tips, and sample configurations from online tools. For Cisco.com registered users, additional troubleshooting tools are available from the TAC website.
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To access Cisco.com, go to the following website:
Technical Assistance Center
The Cisco TAC website is available to all customers who need technical assistance with a Cisco product or technology that is under warranty or covered by a maintenance contract.
Contacting TAC by Using the Cisco TAC Website
If you have a priority level 3 (P3) or priority level 4 (P4) problem, contact TAC by going to the TAC website:
P3 and P4 level problems are defined as follows:
•P3—Your network performance is degraded. Network functionality is noticeably impaired, but most business operations continue.
•P4—You need information or assistance on Cisco product capabilities, product installation, or basic product configuration.
In each of the above cases, use the Cisco TAC website to quickly find answers to your questions.
To register for Cisco.com, go to the following website:
If you cannot resolve your technical issue by using the TAC online resources, Cisco.com registered users can open a case online by using the TAC Case Open tool at the following website:
Contacting TAC by Telephone
If you have a priority level 1(P1) or priority level 2 (P2) problem, contact TAC by telephone and immediately open a case. To obtain a directory of toll-free numbers for your country, go to the following website:
P1 and P2 level problems are defined as follows:
•P1—Your production network is down, causing a critical impact to business operations if service is not restored quickly. No workaround is available.
•P2—Your production network is severely degraded, affecting significant aspects of your business operations. No workaround is available.
This document is to be used in conjunction with the documents listed in the "Related Documentation" section.
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