Allied Telesis AlliedWare Plus Operating System Version 5.4.4C (x310-26FT,x310-26FP,x310-50FT,x310-50FP) - Manual (Page 1453)

DHCP Snooping Commands
Software Reference for x310 Series Switches
C613-50046-01 REV A AlliedWare Plus TM Operating System - Version 5.4.4C 56.15
ip dhcp snooping database
Use this command to set the location of the file to which the dynamic entries in the DHCP
snooping database are written. This file provides a backup for the DHCP snooping
database.
Use the no variant of this command to set the database location back to the default, nvs.
Syntax ip dhcp snooping database {nvs|flash}
no ip dhcp snooping database
Default NVS
Mode Global Configuration
Usage If the location of the backup file is changed by using this command, a new file is created in
the new location, and the old version of the file remains in the old location. This can be
removed if necessary (hidden file: .dhcp.dsn.gz).
Example To set the location of the DHCP snooping database to non-volatile storage on the switch,
use the commands:
Related Commands show ip dhcp snooping
Parameter Description
nvs The switch checks the database and writes the file to non-volatile
storage (NVS) on the switch at 2 second intervals if it has changed.
flash The switch checks the database and writes the file to Flash memory on
the switch at 60 second intervals if it has changed.
awplus# configure terminal
awplus(config)# ip dhcp snooping database nvs