108
Views
System view
Predefined user roles
network-admin
Parameters
interval: Specifies the waiting time in seconds, in the range of 60 to 864000.
Usage guidelines
When a DHCP snooping entry is learned, updated, or removed, the waiting period starts. The DHCP
snooping device updates the backup file when the waiting period is reached. All changed entries
during the period will be saved to the backup file.
The waiting time takes effect only after you configure the DHCP snooping entry auto backup by using
the dhcp snooping binding database filename command.
Examples
# Set the waiting time to 600 seconds for the DHCP snooping device to update the backup file.
<Sysname> system-view
[Sysname] dhcp snooping binding database update interval 600
Related commands
dhcp snooping binding database filename
dhcp snooping binding database update now
Use dhcp snooping binding database update now to manually save DHCP snooping entries to
the backup file.
Syntax
dhcp snooping binding database update now
Views
System view
Predefined user roles
network-admin
Usage guidelines
Each time this command is executed, the DHCP snooping entries are saved to the backup file.
This command takes effect only after you configure the DHCP snooping auto backup by using the
dhcp snooping binding database filename command.
Examples
# Manually save DHCP snooping entries to the backup file.
<Sysname> system-view
[Sysname] dhcp snooping binding database update now
Related commands
dhcp snooping binding database filename
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