Specifications

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Catalyst 4500 Se ries S wit ch C is co IO S C om mand R efer ence —Re lease I OS XE 3 .3.0 XO(1 5.1 (1)XO)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
clear ip dhcp snooping binding
clear ip dhcp snooping bi nding
To clear the DHCP snooping binding, use the clear ip dhcp snooping binding command.
clear ip dhcp snooping binding [*] [ip-address] [vlan vlan_num] [interface interface_num ]
Syntax Description
Defaults This command has no default settings.
Command Modes Privileged EXEC mode
Usage Guidelines These commands are mainly used to clear DHCP snooping binding entries.
DHCP snooping is enabled on a VLAN only if both the global snooping and the VLAN snooping are
enabled.
Examples This example shows how to clear all the DHCP snoop bind ing entries:
Switch# clear ip dhcp snooping binding *
Switch#
This example shows how to clear a specific DHCP snoop binding entry:
Switch# clear ip dhcp snooping binding 1.2.3.4
Switch#
This example shows how to clear all the DHCP snoop bi nding entries on the Gig abitEthernet int erface
1/1:
Switch# clear ip dhcp snooping binding interface gigabitEthernet 1/1
Switch#
This example shows how to clear all the DHCP snoop bi nding entries on VLA N 40:
Switch# clear ip dhcp snooping binding vlan 40
Switch#
* (Optional) Clears all DHCP snooping binding entries.
ip-address (Optional) IP address for the DHCP snooping binding entries.
vlan vlan_num (Optional) Specifies a VLAN.
interface interface_ num (Optional) Specifies an interface.