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16.3 ipv6 dhcp snooping vlan 
Description 
The ipv6 dhcp snooping vlan command is used to enable DHCPv6 Snooping 
function on a specified VLAN. To disable DHCPv6  Snooping function on this 
VLAN, please use no ipv6 dhcp snooping vlan command. 
Syntax 
ipv6 dhcp snooping vlan vlan-range 
no ipv6 dhcp snooping vlan vlan-range 
Parameter 
vlan-range —— Specify the VLANs to enable the DHCPv6 snooping function, in 
the format of 1-3, 5. 
Command Mode 
Global Configuration Mode 
Privilege Requirement 
Only Admin, Operator and Power User level users have access to these 
commands. 
Example 
Enable the DHCPv6 Snooping function on VLAN 1,4,6-7: 
T2600G-28TS(config)#ipv6 dhcp snooping vlan 1,4,6-7 
 
16.4 ipv6 dhcp snooping trust 
Description 
The ipv6 dhcp snooping trust command is used to configure a port to be a 
Trusted Port. Only the Trusted Port can forward  the DHCPv6  packets from 
DHCPv6 servers. To turn the port back to a distrusted port, please use no ipv6 
dhcp snooping trust command. 
Syntax 
ipv6 dhcp snooping trust   
no ipv6 dhcp snooping trust