How can I delete patches from a WLAN device

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Run the following command to delete patches from a WLAN device:

patch delete all //Delete all patches.



Delete patches when the following situations occur:

- If you find errors in patches that have been loaded to the system, run this command to delete the patches to prevent patch errors from affecting system operating.

- If the patch installation fails and a rollback procedure is necessary, run this command to delete all patches.

Other related questions:
What is a patch of a WLAN device
A patch is a kind of software compatible with the system software. It is used to remove some critical bugs from system software. Patch classification: - Hot patch Hot patches do not interrupt running services of a WLAN device and can repair software defects of the current system without restarting the device. - Cold patch Cold patches repair software defects of the current system only after a device restart. SPH indicates a hot patch, while SPC indicates a cold patch. The patch file uses .pat as the file name extension.

Downloading patch files for WLAN devices
To download a patch file of a WLAN device, perform the following operations: 1. Visit http://support.huawei.com/enterprise/en/index.html. 2. Click Software Download. Under By Product, click WLAN. 3. Select a WLAN device model. 4. Select the latest patch file ending with SPHxxx, and download the related patch release notes and patch installation guide.

How do I delete the configuration on a specified interface of a WLAN device
To delete all configurations on a specified interface of a WLAN device, you need to delete the configurations one by one. For example, if GE0/0/1 works in auto-negotiation mode and automatically negotiates both the rate and the duplex mode, run the following commands to delete corresponding configurations: - Run the undo auto duplex command in the interface view to restore the default duplex mode for the Ethernet electrical interface in auto-negotiation mode. - Run the undo auto speed command in the interface view to restore the default negotiation rate for the Ethernet electrical interface in auto-negotiation mode.

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