Dhcpv6 Relay Agent Configuration; Introduction To The Dhcpv6 Relay Agent; Application Environment; Operation Of Dhcpv6 Relay Agent - HP A5120 EI Series Configuration Manual

DHCPv6 relay agent configuration

Introduction to the DHCPv6 relay agent

Application environment

Figure 66 Typical DHCPv6 relay agent application
DHCPv6 client
DHCPv6 client
A DHCPv6 client usually uses a multicast address to contact the DHCPv6 server on the local link to obtain
an IPv6 address and other configuration parameters. As shown in
resides on another subnet, the DHCPv6 client can contact the server via a DHCPv6 relay agent, so you
do not need to deploy a DHCPv6 server on each subnet.

Operation of DHCPv6 relay agent

Figure 67 Operating process of a DHCPv6 relay agent
DHCPv6 client
(1)
Solicit (contains a Rapid Commit option)
Figure 67 shows how the DHCPv6 client obtains the IPv6 address and other network configuration
parameters from the DHCPv6 server through the DHCPv6 relay agent, using the process of rapid
assignment involving two messages as an example.
DHCPv6 client
DHCPv6 relay agent
DHCPv6 client
DHCPv6 relay agent
(4) Reply
IPv6 network
DHCPv6 server
DHCPv6 server
(2) Relay-forward
(3) Relay-reply
154
Figure 66, if the DHCPv6 server