Configuration procedure
# Enable DHCPv6 snooping.
<SwitchB> system-view [SwitchB] ipv6 dhcp snooping enable
# Specify as a trusted port.
[SwitchB] interface [SwitchB-] ipv6 dhcp snooping trust [SwitchB-] quit
# Enable the recording of DHCPv6 snooping entries on .
[SwitchB]interface [SwitchB-] ipv6 dhcp snooping binding record [SwitchB-] quit