Allied Telesis AT-WA7501 - Manual (Page 220)

Chapter 7: Configuring the Embedded Authentication Server (EAS)
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You should export the database so you have a backup version. You may
also want to create the database in the primary RADIUS server, and then
export it to a file that you can import to a backup RADIUS server.
To export a database
1. Log in to the access point whose EAS you are using.
2. From the menu bar, click File Import/Export > Read or write the EAS
RADIUS database. The EAS Database Import/Export screen appears.
3. If you are not using the secure web browser, click “A secure session is
available.” Repeat Steps 1 and 2.
4. Click Export the EAS database from this access point. A File
Download dialog box appears.