Configuration procedure

# Enable DHCPv6 snooping globally.

<Switch> system-view
[Switch] ipv6 dhcp snooping enable

# Add GigabitEthernet 1/0/1, GigabitEthernet 1/0/2, and GigabitEthernet 1/0/3 to VLAN 2.

[Switch] vlan 2
[Switch-vlan2] port GigabitEthernet 1/0/1 GigabitEthernet 1/0/2 GigabitEthernet 1/0/3

# Enable DHCPv6 snooping for VLAN 2.

[Switch-vlan2] ipv6 dhcp snooping vlan enable
[Switch] quit

# Configure GigabitEthernet 1/0/1 as a DHCPv6 snooping trusted port.

[Switch] interface GigabitEthernet 1/0/1
[Switch-GigabitEthernet1/0/1] ipv6 dhcp snooping trust