DHCP Relay Commands
page 32-38 OmniSwitch 6250 CLI Reference Guide November 2009
ip helper dhcp-snooping binding timeout
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
Syntax Definitions
seconds The number of seconds (180 to 600) to wait before the next save.
Defaults
By default, the timeout value is set to 300 seconds.
Platforms Supported
OmniSwitch 6250
Usage Guidelines
• 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.
Examples
-> ip helper dhcp-snooping binding timeout 600
-> ip helper dhcp-snooping binding timeout 250
Release History
Release 6.6.1; command was introduced.
Related Commands
MIB Objects
iphelperDhcpSnoopingBindingDatabaseSyncTimeout
iphelperDhcpSnoopingBindingDatabaseLastSyncTime
ip helper dhcp-snooping
binding
.Enables or disables the DHCP Snooping binding table functionality.
ip helper dhcp-snooping
binding action
Synchronizes the contents of the DHCP Snooping binding table with the
contents of the dhcpBinding.db file saved on the switch.
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