202 | Dynamic Host Configuration Protocol (DHCP)
www.dell.com | support.dell.com
1 Use the command cam-acl l2acl from CONFIGURATION mode
2 Save the running-config to the startup-config
3 Reload the system.
ip dhcp snooping vlan
Enable DHCP snooping on one or more VLANs.
Syntax
[no] ip dhcp snooping vlan name
Parameters
Command Modes
CONFIGURATION
Default
Disabled
Command
History
Usage
Information
When enabled the system begins creating entries in the binding table for the specified VLAN(s). Note 
that learning only happens if there is a trusted port in the VLAN.
Related
Commands
ip dhcp relay
Enable Option 82.
Syntax
ip dhcp relay information-option [remote-id | trust-downstream]
Parameters
Command Modes
CONFIGURATION
Default
Disabled
Command
History
show ip dhcp snooping
Display the contents of the DHCP binding table or display the interfaces configured with IP source 
guard.
Syntax
show ip dhcp snooping [binding | source-address-validation]
name
Enter the name of a VLAN on which to enable DHCP Snooping.
Version 8.3.16.1 Introduced on MXL 10/40GbE Switch IO Module
ip dhcp snooping trust
Configures an interface as trusted.
remote-id
Configure the system to enable remote-id string in Option 82.
trust-downstream
Configure the system to trust Option 82 when it is received from the 
previous-hop router.
Version 8.3.16.1 Introduced on MXL 10/40GbE Switch IO Module