D-Link DSR-150 User Manual page 22

Unified Services Router
A s wit h an IPv 4 LA N n et wo rk, t h e ro u t er h as a DHCPv 6 s erv er. If en ab led , t h e
ro u t er as s ig n s an IP ad d res s wit h in t h e s p ecified ran g e p lu s ad d it io n al s p ecified
in fo rmat io n t o an y LA N PC t h at req u es t s DHCP s erv ed ad d res s es .
Th e fo llo win g s et t in g s are u s ed t o co n fig u re t h e DHCPv 6 s erv er:

DHCP M o d e: Th e IPv 6 DHCP s erv er is eit h er s t at eless o r s t at efu l. If s t ateless is
s elect ed an ext ern al IPv 6 DHCP s erv er is n o t req u ired as t h e IPv 6 LA N h o s t s
are au t o -co nfig ured b y t h is ro u ter. In t h is case t h e ro u ter ad vertis emen t d aemo n
(RA DVD) mu s t b e co n fig u red o n t h is d ev ice an d ICM Pv 6 ro u t er d is co v ery
mes s ag es are u s ed b y t h e h o s t fo r au t o -co n fig u rat io n . Th ere are n o man ag ed
ad d res ses t o s erv e t h e LA N n o d es. If s t at efu l is s elected t h e IPv 6 LA N h o s t will
rely o n an ext ern al DHCPv 6 s erv er t o p ro v id e req u ired co n fig u rat io n s et t in g s

Th e d o main n ame o f t h e DHCPv 6 s erv er is an o p t io n al s et t in g

Serv er Preferen ce is u s ed t o in d icat e t h e p re feren ce lev el o f t h is DHCP s erv er.
DHCP ad v ert is e mes s ag es wit h t h e h ig h es t s erv er p referen ce v alu e t o a LA N
h o s t are p referred o v er o t h er DHCP s erv er ad v ert is e mes s ag es . Th e d efau lt is
255.

Th e DNS s erv er d et ails can b e man u ally en t ered h ere (p rimary / s eco n d ary
o p t io n s . A n alt ern at iv e is t o allo w t h e LA N DHCP clien t t o receiv e t h e DNS
s erv er d et ails fro m t h e ISP d irect ly . By s elect in g Us e DNS p ro xy , t h is ro u t er
act s as a p ro xy fo r all DNS req u es t s an d co mmu n icat es wit h t h e ISP's DNS
s erv ers (a W A N co n fig u ra t io n p aramet er).

Primary an d Seco n d ary DNS s erv ers : If t h ere is co n fig u red d o main n ame
s y s t em (DNS) s erv ers av ailab le o n t h e LA N en t er t h e IP ad d res s es h ere.

Leas e/ Reb in d t ime s et s t h e d uratio n o f t h e DHCPv 6 leas e fro m t h is ro u t er to the
LA N clien t .
IPv6 Address Pools
Th is feat u re allo ws y o u t o d efin e t h e IPv 6 d eleg at io n p refix fo r a ran g e o f IP
ad d res ses t o b e s erv ed b y t h e g at eway 's DHCPv 6 s erv er . Us in g a d eleg at io n p refix
y o u can au t omat e t he p ro cess o f in fo rmin g o t h er n et workin g eq uip men t o n t h e LA N
o f DHCP in fo rmat io n s p ecific fo r t h e as s ig n ed p refix.
Prefix Delegation
Th e fo llo win g s et t in g s are u s ed t o co n fig u re t h e Prefix Deleg at io n :

Prefix Deleg at io n : Select t h is o p t io n t o en ab le p refix d eleg at io n in DHCPv 6
s erv er. Th is o p t io n can b e s elect ed o n ly in St at eles s A d d res s A u t o
Co n fig u rat io n mo d e o f DHCPv 6 s erv er.
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User Manual