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FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\CLI Folders\Dell Contax
CLI\files\DHCP_Snooping.fm
Default Configuration
DHCP packets with option-82 information from an untrusted port are
discarded.
Command Mode
Global Configuration mode
Example
The following example allows a device to accept DHCP packets with option-
82 information from an untrusted port.
Console(config)#
ip dhcp snooping information option allowed-
untrusted
ip dhcp snooping verify
Use the ip dhcp snooping verify Global Configuration mode command to
configure a device to verify that the source MAC address in a DHCP packet
received on an untrusted port matches the client hardware address. Use the
no form of this command to disable MAC address verification in a DHCP
packet received on an untrusted port.
Syntax
ip dhcp snooping verify
no ip dhcp snooping verify
Default Configuration
The switch verifies that the source MAC address in a DHCP packet received
on an untrusted port matches the client hardware address in the packet.
Command Mode
Global Configuration mode
D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 5 / 1 5 / 1 2 - F O R P R O O F O N LY
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DHCP Snooping and ARP Inspection Commands
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