Ip Dhcp Snooping Vlan; Ip Dhcp Relay; Show Ip Dhcp Snooping - Dell Force10 MXL Blade Reference Manual

ip dhcp snooping vlan

Syntax
Parameters
Command Modes
Default
Command
History
Usage
Information
Related
Commands

ip dhcp relay

Syntax
Parameters
Command Modes
Default
Command
History

show ip dhcp snooping

Syntax
202 | Dynamic Host Configuration Protocol (DHCP)
1 Use the command cam-acl l2acl from CONFIGURATION mode
2 Save the running-config to the startup-config
3 Reload the system.
Enable DHCP snooping on one or more VLANs.
[no] ip dhcp snooping vlan name
name Enter the name of a VLAN on which to enable DHCP Snooping.
CONFIGURATION
Disabled
Version 8.3.16.1 Introduced on MXL 10/40GbE Switch IO Module
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.
ip dhcp snooping trust
Enable Option 82.
ip dhcp relay information-option [remote-id | trust-downstream]
remote-id
trust-downstream
CONFIGURATION
Disabled
Version 8.3.16.1 Introduced on MXL 10/40GbE Switch IO Module
Display the contents of the DHCP binding table or display the interfaces configured with IP source
guard.
show ip dhcp snooping [binding | source-address-validation]
Configures an interface as trusted.
Configure the system to enable remote-id string in Option 82.
Configure the system to trust Option 82 when it is received from the
previous-hop router.