Dell PowerConnect PC5524

568 DHCP Snooping and ARP Inspection Commands
FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\CLI Folders\Dell Contax
CLI\files\DHCP_Snooping.fm
DELL CONFIDENTIAL – PRELIMINARY 5/15/12 - FOR PROOF ONLY
ip dhcp snooping vlan
Use the ip dhcp snooping vlan Global Configuration mode command to
enable DHCP Snooping on a VLAN. Use the no form of this command to
disable DHCP Snooping on a VLAN.
Syntax
ip dhcp snooping vlan vlan-id
no ip dhcp snooping vlan-id
Parameters
vlan-id—Specifies the VLAN ID.
Default Configuration
DHCP Snooping on a VLAN is disabled.
Command Mode
Global Configuration mode
User Guidelines
DHCP Snooping must be enabled globally before enabling DHCP Snooping
on a VLAN.
Example
The following example enables DHCP Snooping on VLAN 21.
Console(config)# ip dhcp snooping vlan 21
ip dhcp snooping trust
Use the ip dhcp snooping trust Interface Configuration (Ethernet, Port-
channel) mode command to configure a port as trusted for DHCP snooping
purposes. Use the no form of this command to restore the default
configuration.