Ip Dhcp Snooping - Cisco Catalyst 3560-X Command Reference Manual

Chapter 2 Catalyst 3750-X and 3560-X Switch Cisco IOS Commands

ip dhcp snooping

Syntax Description
Defaults
Command Modes
Command History
Usage Guidelines
Examples
Related Commands
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Use the ip dhcp snooping global configuration command on the switch stack or on a standalone switch
to globally enable DHCP snooping. Use the no form of this command to return to the default setting.
ip dhcp snooping
no ip dhcp snooping
This command has no arguments or keywords.
DHCP snooping is disabled.
Global configuration
Release Modification
12.2(53)SE2 This command was introduced.
For any DHCP snooping configuration to take effect, you must globally enable DHCP snooping.
DHCP snooping is not active until you enable snooping on a VLAN by using the ip dhcp snooping vlan
vlan-id global configuration command.
This example shows how to enable DHCP snooping:
Switch(config)# ip dhcp snooping
You can verify your settings by entering the show ip dhcp snooping user EXEC command.
Command
ip dhcp snooping vlan
show ip dhcp snooping
show ip dhcp snooping binding
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Description
Enables DHCP snooping on a VLAN.
Displays the DHCP snooping configuration.
Displays the DHCP snooping binding information.
Catalyst 3750-X and 3560-X Switch Command Reference
ip dhcp snooping
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