Alcatel-Lucent 6850-48 参照ガイド

DHCP Relay Commands

page 36-42

OmniSwitch CLI Reference Guide

Configures the amount of time between each automatic save of the DHCP Snooping binding table contents 
maintained in memory to a file on the switch. This functionality preserves binding table contents across 
switch reboots.

ip helper dhcp-snooping port binding timeout seconds

The number of seconds (180 to 600) to wait before the next save.

By default, the timeout value is set to 300 seconds.

OmniSwitch 6400, 6850, 6855, 9000, 9000E

• The timeout value is only valid if the DHCP Snooping binding table functionality is enabled.

• The contents of the binding table is saved to the dhcpBinding.db file in the /flash/switch directory.

• The dhcpBinding.db file is time stamped when a save of the binding table contents is successfully 

completed.

-> ip helper dhcp-snooping binding timeout 600

-> ip helper dhcp-snooping binding timeout 250

Release 6.1.2; command was introduced.

iphelperDhcpSnoopingBindingDatabaseSyncTimeout

iphelperDhcpSnoopingBindingDatabaseLastSyncTime

.Enables or disables the DHCP Snooping binding table functionality.

Synchronizes the contents of the DHCP Snooping binding table with the 
contents of the dhcpBinding.db file saved on the switch.