DHCP Relay Commands
page 32-40 OmniSwitch 6250 CLI Reference Guide November 2009
ip helper dhcp-snooping binding persistency
Retains the entries in the DHCP Snooping binding table for the duration of the lease regardless of the
existence of the MAC address in the MAC address table.
ip helper dhcp-snooping binding persistency {enable | disable}
Syntax Definitions
enable Enables DHCP Snooping binding persistency.
disable Disables DHCP Snooping binding persistency.
Defaults
By default, DHCP Snooping binding persistency is disabled.
Platforms Supported
OmniSwitch 6250
Usage Guidelines
• With this option disabled, the entry will be removed if the MAC address is missing from the MAC
address table when the database is synchronized.
• Use the show ip helper command to display the current status.
Examples
-> ip helper dhcp-snooping binding persistency enable
-> ip helper dhcp-snooping binding persistency disable
Release History
Release 6.6.1; command was introduced.
Related Commands
ip helper dhcp-snooping
binding
Enables or disables the DHCP Snooping binding table functionality.
ip helper dhcp-snooping
binding timeout
Configures the amount of time between each automatic save of the bind-
ing table contents to a file on the switch.
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