2.1.4 Configuring Ipv6 Router Advertisements - D-Link DSR-150 User Manual

Unified Services Router
As with an IPv4 LAN network, the router has a DHCPv6 server. If enabled, the router assigns an IP
address within the specified range plus additional specified information to any LAN PC that
requests DHCP served addresses.
The following settings are used to configure the DHCPv6 server:

DHCP Mode: The IPv6 DHCP server is either stateless or stateful. If stateless is selected an
external IPv6 DHCP server is not required as the IPv6 LAN hosts are auto-configured by this
router. In this case the router advertisement daemon (RADVD) must be configured on this
device and ICMPv6 router discovery messages are used by the host for auto-configuration.
There are no managed addresses to serve the LAN nodes. If stateful is selected the IPv6 LAN
host will rely on an external DHCPv6 server to provide required configuration settings

The domain name of the DHCPv6 server is an optional setting

Server Preference is used to indicate the preference level of this DHCP server. DHCP advertise
messages with the highest server preference value to a LAN host are preferred over other DHCP
server advertise messages. The default is 255.

The DNS server details can be manually entered here (primary/secondary options. An
alternative is to allow the LAN DHCP client to receive the DNS server details from the ISP
directly. By selecting Use DNS proxy, this router acts as a proxy for all DNS requests and
communicates with the ISP's DNS servers (a WAN configuration parameter).

Primary and Secondary DNS servers: If there is configured domain name system (DNS) servers
available on the LAN enter the IP addresses here.

Lease/Rebind time sets the duration of the DHCPv6 lease from this router to the LAN client.
IPv6 Address Pools
This feature allows you to define the IPv6 delegation prefix for a range of IP addresses to be served
by the gateway's DHCPv6 server. Using a delegation prefix you can automate the process of
informing other networking equipment on the LAN of DHCP information specific for the assigned
prefix.
Prefix Delegation
The following settings are used to configure the Prefix Delegation:

Prefix Delegation: Select this option to enable prefix delegation in DHCPv6 server. This option
can be selected only in Stateless Address Auto Configuration mode of DHCPv6 server.

Prefix Address: IPv6 prefix address in the DHCPv6 server prefix pool

Prefix Length: Length prefix address

2.1.4 Configuring IPv6 Router Advertisements

Router Advertisements are analogous to IPv4 DHCP assignments for LAN clients, in that the router
will assign an IP address and supporting network information to devices that are configured to
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