What should I do if the configuration of an AR router is lost

Restore the configuration file from the storage.
1. Restore the configuration file in the router sd as the configuration file for the current system.

<Huawei> copy sd1:/backup.cfg sd1:/config.cfg
2. Restart the router to complete the configuration restoration.
<Huawei> reboot
Info: The system is comparing the configuration, please wait.
Warning: All the configuration will be saved to the next startup configuration. Continue? [y/n]: n
System will reboot! Continue? [y/n]: y
Info: system is rebooting ,please wait...

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