2024年5月24日 · Primary and Backup Images on WLCs. The WLC, by default, maintains two images. These images are the primary image and the backup image. The primary image is the active image used by the WLC while the backup image is used as a backup for the active image. The controller bootloader (ppcboot) stores a copy of the active primary image and the backup ...

Understand and Configure EAP-TLS with a WLC and ISE ; Configure 802.1X Supplicant for Access Points with 9800 Controller ; Generate CSR for Third-Party Certificates and Download Chained Certificates to the WLC

本文档介绍如何在无线LAN控制器(WLC)上使用备份映像。 先决条件 要求. Cisco 建议您了解以下主题： 关于如何配置WLC和轻量级接入点(LAP)以满足基本运作的知识. 使用的组件. 本文档中的信息基于以下软件和硬件版本： 运行AireOS和Cisco BootLoader版本8.5.103.0的所有Cisco ...

2020年11月18日 · In order to see the active image that your controller is currently running, click on Monitor from the WLC GUI and look at the Software Version field under Controller Summary on the controller GUI. From the CLI, you can issue the show boot command to view the primary and backup image present on the WLC.

2024年5月22日 · We can do AP image pre-download without rebooting WLC and load them with correct image. When you do WLC Code upgrade, it'll be stored as backup image first and then we switch it to primary before rebooting your WLC.

2019年12月5日 · is it possible to transfer a new software image to the wlc as backup image and not disturbing the primary boot image? i need to do this so i can predownload the later new backup image software down to the AP.

2021年9月16日 · To minimize network outages, you can predownload an image to the access point from the controller without resetting the access point or losing network connectivity. The process is simple and be done via CLI or via GUI. Check the current release: Download the new release to the WLC (in that case 8.10.130.0):

In order to minimize the network outage of upgrading WLC and AP images, we could download an upgrade image to the controller and access point while the network is still up. Then we can schedule a reboot of the controller and access point at a specific date and time.

2020年8月20日 · This document describes a scenario where you want to validate whether a new release of Wireless LAN Controllor (WLC) code addresses a lingering WiFi issue but then it turns out it doesn’t so you have to rollback to the previous release whilst minimizing the service outage time only to find that the Access Point (AP) is re-downloading the ...

2019年11月21日 · If your WLC failed to load image, you may need to recovery the WLC using RTOS image. We need to contact TAC to get the RTOS image. The following are the upgrade steps. Press <ESC> now to access the Boot Menu... 1. Run primary image (8.5.151.0) - Active. 2. Run backup image (8.5.140.0) 3. Change active boot image. 4. Clear configuration. 5.