R21xx-HP FlexFabric 11900 Layer 3 IP Services Command Reference

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Syntax
dhcp snooping binding database update interval seconds
undo dhcp snooping binding database update interval
Default
The device does not update DHCP snooping entries periodically.
Views
System view
Predefined user roles
network-admin
Parameters
Seconds: Sets the update interval in the range of 60 to 864000 seconds.
Usage guidelines
When a DHCP snooping entry is learned or removed, the device does not update the database file until
after the specified waiting period. All changed entries during that period will be updated. If no file has
been specified, this command does not take effect.
Examples
# Set the interval to update DHCP snooping entries to 10 minutes (600 seconds).
<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 file.
Syntax
dhcp snooping binding database update now
Views
System view
Predefined user roles
network-admin
Usage guidelines
Use this command to manually save DHCP snooping entries into the file specified by the dhcp snooping
binding database filename command. If no file has been specified, this command does not take effect.
Examples
# Save DHCP snooping entries to the file.
<Sysname> system-view
[Sysname] dhcp snooping binding database update now