Ip Dhcp Snooping - Cisco Catalyst 4500 Series Configuration Manual

ip dhcp snooping

ip dhcp snooping
To enable DHCP snooping globally, use the ip dhcp snooping command. To disable DHCP snooping,
use the no form of this command.
Syntax Description
This command has no arguments or keywords.
Command Default DHCP snooping is disabled.
Command Modes Global configuration mode
Command History Release
12.1(12c)EW
Usage Guidelines You must enable DHCP snooping globally before you can use DHCP snooping on a VLAN.
Examples The following example shows how to enable DHCP snooping:
Switch(config)# ip dhcp snooping
Switch(config)#
The following example shows how to disable DHCP snooping:
Switch(config)# no ip dhcp snooping
Switch(config)#
Related Commands Command
ip dhcp snooping information option
ip dhcp snooping limit rate
ip dhcp snooping trust
ip dhcp snooping vlan
show ip dhcp snooping
show ip dhcp snooping binding
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release XE 3.9.xE and 15.2(5)Ex
2-318
ip dhcp snooping
no ip dhcp snooping
Modification
This command was introduced on the Catalyst 4500 series switch.
Description
Enables DHCP option 82 data insertion.
Configures the number of the DHCP messages that an
interface can receive per second.
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.
Chapter 2