Which upgrade modes does an AP support

Currently, an AP can be upgraded using the AC, FTP, or SFTP.

- AC loading: The target version file of the AP is saved on the AC. During loading, the AC sends the target version file to the AP using CAPWAP.

- FTP loading: The target version file of the AP is saved on the FTP server. During loading, the AP logs in to the FTP server and obtains the target version file.

- SFTP loading: The target version file of the AP is saved on the SFTP server. During loading, the AP logs in to the SFTP server and obtains the target version file.

For information about how to configure AP upgrade modes, see "How do I configure an AP's upgrade mode."

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