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Command examples
1.
(config)# interface fastethernet 0/1
(config-if)# ip arp inspection limit rate 100
(config-if)# exit
Sets 100 packets per second as the reception rate for port 0/1.
23.2.7 Setting how to save the binding database
(1) Setting the save location
(a) Saving the binding database in internal flash memory
Points to note
Internal flash memory can be specified as the location for saving the binding
database.
Command examples
1.
(config)# ip dhcp snooping database url flash
Sets internal flash memory as the save location.
Notes
If the
internal flash memory is also backed up. You can use the
command to restore the binding database.
(b) Saving a binding database on a memory card
Points to note
A memory card can be specified as the location for saving a binding database. If you
set a memory card, you can specify the name of the file for saving the database.
Command examples
1.
(config)# ip dhcp snooping database url mc dhcpsn-db
Sets a memory card as the save location and sets
for saving the binding database.
Notes
Before you set a memory card as the save location, make sure a card is already
inserted in the memory card slot on the Switch. In addition, use memory cards
manufactured by ALAXALA (AX-F2430-SD128).
(2) Setting the wait-to-write time
Points to note
The following example sets the wait-to-write time used when a binding database is
saved.
Command examples
1.
(config)# ip dhcp snooping database write-delay 3600
Sets 3600 seconds as the length of time to wait after one of the following save events
occurs before the save processing is actually executed:
Notes
The length of time set by this command becomes operationally effective from the
backup
operation command is executed, the binding database saved on
A dynamic binding database is registered, updated, or deleted.
When the
ip dhcp snooping database url
specified (includes a change of save location)
When the
clear ip dhcp snooping binding
23 DHCP Snooping
restore
operation
dhcpsn-db
as the name of the file
configuration command is
operation command is executed
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