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Syntax
dhcp server database update interval interval
undo dhcp server database update interval
Default
The DHCP server waits 300 seconds to update the backup file after a DHCP binding change. If no
DHCP binding changes, the backup file is not updated.
Views
System view
Predefined user roles
network-admin
Parameters
interval: Specifies the waiting time in the range of 60 to 864000 seconds.
Usage guidelines
When a DHCP binding is created, updated, or removed, the waiting period starts. The DHCP server
updates the backup file when the waiting period is reached. All bindings changed during the period
will be saved to the backup file.
The waiting time takes effect only after you configure the DHCP binding auto backup by using the
dhcp server database filename command.
Examples
# Set the waiting time to 10 minutes for the DHCP server to update the backup file.
<Sysname> system-view
[Sysname] dhcp server database update interval 600
Related commands
dhcp server database filename
dhcp server database update now
dhcp server database update stop
dhcp server database update now
Use dhcp server database update now to manually save the DHCP bindings to the backup file.
Syntax
dhcp server database update now
Views
System view
Predefined user roles
network-admin
Usage guidelines
Each time this command is executed, the DHCP bindings are saved to the backup file.
For this command to take effect, you must configure the DHCP auto backup by using the dhcp
server database filename command.
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