Renew Ip Dhcp Snooping Database - Cisco Catalyst 4500 Series Command Reference Manual

Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches

renew ip dhcp snooping database

To renew the DHCP binding database, use the renew ip dhcp snooping database command.
Syntax Description
validation none
url
Defaults This command has no default settings.
Command Modes Privileged EXEC mode
Command History Release
12.1(19)EW
Usage Guidelines If the URL is not provided, the switch tries to read the file from the configured URL.
Examples
This example shows how to renew the DHCP binding database while bypassing the CRC checks:
Switch# renew ip dhcp snooping database validation none
Switch#
Related Commands Command
ip dhcp snooping
ip dhcp snooping binding
ip dhcp snooping information option
ip dhcp snooping trust
ip dhcp snooping vlan
show ip dhcp snooping
show ip dhcp snooping binding
OL-25342 -01
renew ip dhcp snooping database [validation none] [url]
(Optional) Specifies that the checksum associated with the contents of the file
specified by the URL is not verified.
(Optional) Specifies the file from which the read is performed.
Modification
Support for this command was introduced on the Catalyst 4500 series switch.
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.3.0SG and IOS 15.1(1)SG)
Description
Globally enables DHCP snooping.
Sets up and generates a DHCP binding configuration to
restore bindings across reboots.
Enables DHCP option 82 data insertion.
Enables DHCP snooping on a trusted VLAN.
Enables DHCP snooping on a VLAN or a group of VLANs.
Displays the DHCP snooping configuration.
Displays the DHCP snooping binding entries.
renew ip dhcp snooping database
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