IMPORTANT: Before you can proceed in restoring a configuration file, you need to make sure that you have the Backup configuration file saved on your computer. To know more about this, click here.
Access the router's web-based setup page. To learn how, click here.
Click the Maintenance tab on the header.
Click Backup and Restore.
Click Choose File and select the Startup Configuration file for your router.
QUICK TIP: The default filename for the Startup Configuration file is Startup.config.
Click Restore to import the configuration.
The different types of passwords on your Linksys router