Installing and Configuring DHCPv6 2

Overview
How DHCPv6 2.001 Works
Chapter 114
Figure 1-1 depicts how the client and the server, on the same link,
communicate with each other.
Figure 1-1 When Client and Server are on the Same Link
The client and the server communicate with each other by exchanging
packets as follows (see the numbers 1,2,3,4, and 5 in Figure 1-1):
1. The client sends a DHCP SOLICIT message to the ALL DHCP Agents
address (FF02::1:2) to locate suitable servers.
2. Multiple servers respond to the SOLICIT message by sending a DHCP
ADVERTISE message to the client.
3. The client sends a DHCP REQUEST message to the DHCPv6 2.001
server that has the highest preference value.
4. The server responds to the client’s message by sending a DHCP REPLY
message. The DHCP REPLY message contains the IPv6 address and
configuration parameters required by the client.
The server sends the DHCP REPLY message to respond to the client’s
REQUEST, RENEW, REBIND, RELEASE, RECONFIGURE, CONFIRM, and
INFORMATION REQUEST messages.
5. The client sends a DHCP RELEASE message to return one or more IPv6
addresses to the server when it has completed using an IPv6 address.
See “Message Types” on page 6 for more information about message
types.