![]() Click a controller software release number: The software releases are labeled as described here to help you determine which release to download.Click on the WLC model you have and then on Wireless LAN Controller Software.Search for the controller model: Downloads Home > Wireless > Wireless LAN Controller > Standalone Controllers.Browse the Software Download portal at:.Upload your controller configuration files to a server to back up the configuration files.For this reason, it is recommended that you use a console port connection in order to check the state of the controller in the upgrade process and expedite any recovery procedures, if necessary. When you upgrade the WLC with the use of the GUI, you lose Layer 3 (IP) connectivity within the periods of time when the controller reboots. In this section, you are presented with the information to upgrade the WLC with the use of the GUI on the controller. Note: It is highly recommended to back up the configuration on the Wireless LAN controller before you perform the upgrade. You can use CLI or GUI to upgrade the Cisco WLC. Note: Verify that your APs are compatible with the software you plan to upgrade to avoid the loss of APs in the upgrade. Cisco Virtual Wireless Controller (vWLC).Cisco 5520/8540 Series Wireless LAN ControllersĬisco 3504 Series Wireless LAN Controller.This document is also applicable to these hardware platforms: If your network is live, ensure that you understand the potential impact of any command. All of the devices used in this document started with a cleared (default) configuration. The information in this document was created from the devices in a specific lab environment. A Cisco 3504 WLC that runs 8.5.182.0 to be upgraded to software release 8.10.171.0.A PC with HTTP/S access to the WLC for file transfer via HTTPs.The information in this document is based on these software and hardware versions:Īn FTP server with the upgrade files stored Make sure your APs support the new version you try to upgrade to. A new CLI allows you to specify the boot image for both devices and to reset the access points when the controller resets.įor information on how to configure the WLC and LAPs for this feature read the section Predownloading an Image to an Access Point of Cisco Wireless LAN Controller Configuration Guide, Release 8.10.įor FlexConnect access points, use the FlexConnect Efficient AP upgrade feature to reduce traffic between the controller and the AP (main site and the branch).įor more information about the configuration of FlexConnect AP upgrades, see the Configuring FlexConnect AP Upgrades for FlexConnect APs chapter of Cisco Wireless LAN Controller Configuration Guide, Release 8.10. This feature allows you to download the upgrade image to the controller, and then download the image to the access points while the network is still up. ![]() You can reduce the network downtime with these options: The access points must remain powered, and the controller must not be reset at this time. However, with the increased number of concurrent access point upgrades supported in the controller software release, the upgrade time is significantly reduced. The upgrade of a controller with a large number of access points can take as long as 30 minutes (it depends on the size of your network). You can check the current recommended releases here: Recommended AireOS Wireless LAN Controller Releases.ĭo not power down the controller or any access point in this process otherwise, you can corrupt the software image. It is highly recommended that you keep your WLC up to date with the current recommended release. You can upgrade directly to Release 8.10.x You can upgrade directly to Release 8.10.x. ![]() Supported Upgrade Path to Cisco Wireless Release 8.10.x: Current Software Release For example, for version 8.10.171.0 you have them here. In addition to basic network knowledge and familiarity with the basic configuration and installation of Cisco Wireless LAN Controllers, ensure that you read the Guidelines and Recommendations present in the release notes. See WLC Software Release Notes for an accurate upgrade path, download information, and upgrade procedure information for each specific release.įor example, if you migrate to Release 8.10.171.0, see the 'Upgrading Cisco Wireless Release' section of Release Notes for Cisco Wireless Controllers and Lightweight Access Points, Cisco Wireless Release 8.10.171.0. This document describes and explains the procedure and requirements in order to upgrade software on a Wireless LAN Controller (WLC).
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