CLI Guide

Version Description
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information When enabled, the system begins creating entries in the binding table for the
specified VLANs.
NOTE: Learning only happens if there is a trusted port in the VLAN.
Related
Commands
ip dhcp snooping trust — configures an interface as trusted.
ipv6 dhcp snooping vlan
Enable ipv6 DHCP Snooping on VLAN or range of VLANs.
Syntax
[no] ip dhcp snooping vlan vlan-id
To disable the ipv6 dhcp snooping on VLAN basis or range of VLAN, use the no
ipv6 dhcp snooping vlan <vlan-id> command.
Parameters
vlan-id Enter the name of a VLAN id or list of the VLANs to enable
DHCP Snooping.
Defaults Disabled
Command Modes CONFIGURATION
Supported Modes Full–Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.7(0.0) Introduced on the MXL.
ip dhcp relay
Enable Option 82.
Syntax
ip dhcp relay information-option [remote-id | trust-downstream]
Parameters
remote-id Configure the system to enable the remote-id string in
option-82.
trust-downstream Configure the system to trust Option 82 when it is received
from the previous-hop router.
Defaults Disabled
Command Modes CONFIGURATION
Supported Modes Full–Switch
Dynamic Host Configuration Protocol
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