Chapter 2
Catalyst 3750 Switch Cisco IOS Commands
ip dhcp snooping vlan
Use the ip dhcp snooping vlan global configuration command on the switch stack or on a standalone
switch to enable Dynamic Host Configuration Protocol (DHCP) snooping on a VLAN. Use the no form
of this command to disable DHCP snooping on a VLAN.
Syntax Description
vlan vlan-range
Defaults
DHCP snooping is disabled on all VLANs.
Command Modes
Global configuration
Command History
Release
12.1(19)EA1
Usage Guidelines
You must first globally enable DHCP snooping before enabling DHCP snooping on a VLAN.
Examples
This example shows how to enable DHCP snooping on VLAN 10:
Switch(config)# ip dhcp snooping vlan 10
You can verify your settings by entering the show ip dhcp snooping privileged EXEC command.
Related Commands
Command
show ip dhcp snooping
show ip dhcp snooping binding
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ip dhcp snooping vlan vlan-range
no ip dhcp snooping vlan vlan-range
Specify a VLAN ID or a range of VLANs on which to enable DHCP snooping. The
range is 1 to 4094.
You can enter a single VLAN ID identified by VLAN ID number, a series of VLAN
IDs separated by commas, a range of VLAN IDs separated by hyphens, or a range
of VLAN IDs separated by entering the startingand ending VLAN IDs separated by
a space.
Modification
This command was introduced.
Description
Displays the DHCP snooping configuration.
Displays the DHCP snooping binding information.
Catalyst 3750 Switch Command Reference
ip dhcp snooping vlan
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