196Figure 63 Operating process of a DHCPv6 relay agentDHCPv6 relay agent tasks at a glanceTasks at a glance(Required.) Enabling the DHCPv6 relay agent on an interface(Required.) Specifying DHCPv6 servers on the relay agent(Optional.) Specifying a gateway address for DHCPv6 clients(Optional.) Setting the DSCP value for DHCPv6 packets sent by the DHCPv6 relay agent(Optional.) Specifying a padding mode for the Interface-ID option(Optional.) Configuring DHCPv6 relay security features(Optional.) Enabling the DHCPv6 relay agent to advertise IPv6 prefixesEnabling the DHCPv6 relay agent on an interfaceStep Command Remarks1. Enter system view. system-view N/A2. Enter interface view. interface interface-typeinterface-number N/A3. Enable DHCPv6 relayagent on the interface. ipv6 dhcp select relayBy default, the DHCPv6 relay agentis disabled on the interface.Do not enable the DHCPv6 relayagent and DHCPv6 client on thesame interface.Specifying DHCPv6 servers on the relay agentSpecifying the DHCPv6 server IP addressesYou can use the ipv6 dhcp relay server-address command to specify a maximum of eight DHCPv6servers on the DHCPv6 relay agent interface. The DHCPv6 relay agent forwards DHCP requests toall the specified DHCPv6 servers.(1) Solicit (contains a Rapid Commit option)(4) ReplyDHCPv6 client DHCPv6 relay agent DHCPv6 server(2) Relay-forward(3) Relay-reply