D-Link DSR-500N User Manual download pdf (Page 22)

Unified Services Router User Manual

As with an IPv4 LAN network, the router has a DHCPv6 s erver. If enabled, the

router ass igns an IP address within the specified range plus additional s pecified

information to any LAN PC that reques ts DHCP s erved addres s es .

The following s ettings are us ed to configure the DHCPv6 s erver:

 DHCP Mode: The IPv6 DHCP s erver is either stateless or stateful. If stateless is

selected an external IPv6 DHCP s erver is not required as the IPv6 LAN hos ts

are auto-configured by this router. In this case the router advertisement daemon

(RADVD) mus t be configured on this device and ICMPv6 router discovery

mes s ages are us ed by the hos t for auto -configuration. There are no managed

addres ses to serve the LAN nodes. If stateful is selected the IPv6 LAN hos t will

rely on an external DHCPv6 s erver to provide required configuration s ettings

 The domain name of the DHCPv6 s erver is an optional s etting

 Server Preference is us ed to indicate the pre ference level of this DHCP s erver.

DHCP advertise mess ages with the highes t s erver preference value to a LAN

hos t are preferred over other DHCP s erver advertise mes s ages . The default is

255.

 The DNS s erver details can be manually entered here (primary/s econdary

options . An alternative is to allow the LAN DHCP client to receive the DNS

server details from the ISP directly. By s electing Us e DNS proxy, this router

acts as a proxy for all DNS reques ts and communicates with t h e ISP’s DNS

servers (a WAN configuration parameter).

 Primary and Secondary DNS s ervers : If there is configured domain name

sys tem (DNS) servers available on the LAN enter the IP addres s es here.

 Leas e/Rebind time sets the duration of the DHCPv6 leas e 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

addres ses to be s erv ed b y th e gat eway ’s DHCPv 6 s e rv e r . Us ing a delegation prefix

you can automate the process of informing other networking equipment on the LAN

of DHCP information s pecific for the as s igned prefix.

Prefix Delegation

The following s ettings are us ed to configure the Prefix Delegation:

 Prefix Delegation: Select this option to enable prefix delegation in DHCPv6

server. This option can be s elected only in Stateles s Addres s Auto

Configuration mode of DHCPv6 s erver.

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D-Link DSR-500N User Manual Page 22