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How to recover AC & AP firmware under boot ?

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Post time 2021-4-30 16:57:28 | Show all posts |Read mode
The processing methods are different for different types of equipment:
1. AC&AP with console port
2. Wall ap

For AC&AP with console port, the guide for firmware recovery is shown as below:
I. Network Topology




II. Requirements
1. Generally, we recover firmware under BOOT mode if we deletes firmware on Main Mode by mistake, firmware broken or any other unknown reasons that devices cannot boot up and enter Main Mode.
2. Finish reading Device Management --> System Management --> Firmware Upgrade, have knowledge of how to transfer firmware with TFTP server.
3. It's applicable for both AC and APs with console port. Not applicable for Wall APs without console port.
Note: remember to turn off Windows Defender protection and system firewall.

III. Configuration Steps
1. Assign IP address 192.168.64.1 to laptop, enable TFTP Server and also prepare the firmware, the firmware put on same folder with tftp server.

图片2.png


2. Console in device, restart devices,   press "CTRL + C"  when system prompts,  enter BOOT Mode, Input 0

图片3.png
3. Input 1, then upgrade firmware with the following steps.

图片4.png
4. Input "yes"  

图片5.png

5. Press "CTRL+Z" return to upper level, then choose "2" to run main

图片6.png

IV. Verification
Devices succeed to enter Main mode, execute command "show version", check the firmware version.
Ruijie#show version

图片7.png

Notice: If upload the firmware failed or after uploading the firmware, the device stuck on the run main step.
    Please try to format the flash, and then re-recover the firmware.



For Wall AP, the guide for firmware recovery is shown as below:
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