How to Configure Automatic Saving of DHCP Data on Huawei S2700?

Questions:
How to configure Automatic Huawei GPON Saving of DHCP Data on Huawei Quidway S2700?

Answer:
Procedure
Run:system-view,The system view is displayed.
Run:dhcp server database enable,The function that saves DHCP data to the Flash memory is enabled.After this command is executed, the system generates the lease.txt and conflict.txt files in the Flash memory. The two files save the address lease information and address conflict information.
Run:dhcp server database write-delay interval
The interval for saving DHCP data is set.
After the device is configured to automatically save DHCP data, the device saves data every 7200 seconds by default and the latest data overwrites the previous data.
Run:dhcp server database recover,The DHCP data in the storage device is restored.After this command is executed, the device restores DHCP data in the Flash memory.
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