Administrator Guide

Layer 2 Switching Commands 361
Syntax
ipv6 dhcp snooping vlan vlan-list
no ipv6 dhcp snooping vlan-list
• vlan-list —A single VLAN, one or more VLANs separated by commas, or
two VLANs separated by a single dash indicating all VLANs between the
first and second inclusive. Multiple VLAN identifiers can be entered
provided that no embedded spaces are contained within the vlan-list.
Default Configuration
By default, DHCP snooping is not enabled on any VLANs.
Command Modes
Global Configuration mode
User Guidelines
DHCP snooping must be enabled on at least one VLAN and globally enabled
to become operational.
Example
console(config)#ipv6 dhcp snooping
console(config)#ipv6 dhcp snooping vlan 5-10,15,30
console(config)#interface Te1/0/1
console(config-if-Te1/0/1)#switchport mode access
console(config-if-Te1/0/1)#switchport access vlan 10
console(config-if-Te1/0/1)#no ipv6 dhcp snooping trust
ipv6 dhcp snooping binding
Use the ipv6 dhcp snooping binding command to configure a static IPv6
DHCP snooping binding. Use the no form of the command to remove the
entry from the binding database.
Syntax
ipv6 dhcp snooping binding mac-address vlan vlan-id ip-address interface
{gigabitethernet unit/slot/port | tengigabitethernet unit/slot/port |
fortygigabitethernet unit/slot/port | port-channel port-channel-number}
no ipv6 dhcp snooping binding mac-address