Allied Telesis AT-GS950/24 - Manual (Page 232)

Chapter 16: DHCP Snooping
232
through the switch without regard to the IP and MAC Address
information in the packet header.
6. From the Backup Database field, select one of the following choices
from the pull-down menu:
Enable - The AT-S109 Version 1.1.0 Management software saves
a backup copy of the Binding Table to flash at a specified interval
(Database Update Interval) of time.
Disable - The AT-S109 Version 1.1.0 Management software does
not save a backup copy of the Binding Table to flash.
7. Select an interval of time for the Database Update Interval field. The
range of this interval is 600 to 86400 seconds.
8. From the DHCP Option 82 Insertion field, select one of the following
choices from the pull-down menu:
Enable - The AT-S109 Version 1.1.0 Management software
inserts the DHCP Option 82 information into the DHCP packets.
Disable - The AT-S109 Version 1.1.0 Management software does
not insert the DHCP Option 82 information into the DHCP packets.
9. Click Apply. The values for the DHCP Snooping General Settings take
effect.
10. From the main menu on the left side of the page, select Save
Configuration to Flash to permanently save your changes.