This means that you do not need to con?¬?gure a relay
with all the static addresses of the DHCP servers, as in IPv4. If you want only speci?¬?c
DHCP servers to receive the messages, or if there is a problem forwarding multicast traf?¬?c
to all the network segments that contain a DHCP server, a relay can contain a static list of
DHCP servers.
You can con?¬?gure different DHCPv6 servers, or the same server with different contexts, to
assign addresses based on different polices. For example, you could con?¬?gure one DHCPv6
server to give global addresses using a more restrictive policy, such as, ???do not give
addresses to printers.??? You could then con?¬?gure another DHCPv6 server, or the same server
within a different context, to give site-local addresses using a more liberal policy, such as,
???give to anyone.???
Routing Considerations with IPv6
IPv6 uses longest-pre?¬?x match routing just like IPv4 classless interdomain routing (CIDR)
does. Many of the common routing protocols have been modi?¬?ed to handle longer IPv6
addresses and different header structures.
You can use and con?¬?gure IPv6 static routing in the same way you would with IPv4.
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