Cisco Catalyst 4500 Series - Renew Ip Dhcp Snooping Database

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
renew ip dhcp snooping database
renew ip dhcp snooping database
To renew the DHCP binding database, use the renew ip dhcp snooping database command.
renew ip dhcp snooping database [validation none] [url]
Syntax Description
Defaults This command has no default settings.
Command Modes Privileged EXEC mode
Command History
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
validation none (Optional) Specifies that the checksum associated with the contents of the file
specified by the URL is not verified.
url (Optional) Specifies the file from which the read is performed.
Release Modification
12.1(19)EW Support for this command was introduced on the Catalyst 4500 series switch.
Command Description
ip dhcp snooping Globally enables DHCP snooping.
ip dhcp snooping binding Sets up and generates a DHCP binding configuration to
restore bindings across reboots.
ip dhcp snooping information option Enables DHCP option 82 data insertion.
ip dhcp snooping trust Enables DHCP snooping on a trusted VLAN.
ip dhcp snooping vlan Enables DHCP snooping on a VLAN or a group of VLANs.
show ip dhcp snooping Displays the DHCP snooping configuration.
show ip dhcp snooping binding Displays the DHCP snooping binding entries.