User's Manual

Table Of Contents
Chapter 7 Home Networking 90
DNS Query Mode Select how the Device handles clients’ DNS information requests.
IPv4 DNS Server First: The Device forwards the requests to the IPv4 DNS server
first and then the IPv6 DNS server. Then it sends clients the first DNS information
it receives.
IPv6 DNS Server First: The Device forwards the requests to the IPv6 DNS server
first and then the IPv4 DNS server. Then it sends clients the first DNS information
it receives.
IPv4 DNS Server Only: The Device forwards the requests to the IPv4 DNS server
and sends clients the DNS information it receives.
IPv6 DNS Server Only: The Device forwards the requests to the IPv6 DNS server
and sends clients the DNS information it receives.
Advanced Setup Click this to open the IPv6 LAN Setup Advanced Setup section.
RADVD Setup
Send RA on Select this to have the Device send router advertisement messages to the LAN hosts.
Router advertisement is a response to a router solicitation or a periodical multicast
advertisement from a router to advertise its presence and other parameters, such as
IPv6 prefix and DNS information.
Router solicitation is a request from a host to locate a router that can act as the
default router and forward packets.
Note: The LAN hosts neither generate global IPv6 addresses nor communicate with
other networks if you disable this feature.
Delegate M/O flag
from WAN
Select this to have the Device obtain the M/O (Managed/Other) flag setting from the
service provider or uplink router.
Manual Select this to specify the M/O flag setting manually.
Managed config
flag on
Select this to have the Device indicate to hosts to obtain network settings (such as
prefix and DNS settings) through DHCPv6.
Clear this to have the Device indicate to hosts that DHCPv6 is not available and they
should use the prefix in the router advertisement message.
Other config flag
on
Select this to have the Device indicate to hosts to obtain DNS information through
DHCPv6.
Clear this to have the Device indicate to hosts that DNS information is not available in
this network.
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interval option on
Select this to have the Router Advertisement messages the Device sends specify the
allowed interval between Router Advertisement messages.
Hop limit Enter the maximum number of network segments that a packet can cross before
reaching the destination. When forwarding an IPv6 packet, IPv6 routers are required
to decrease the Hop Limit by 1 and to discard the IPv6 packet when the Hop Limit is
0. Possible value for this field are 0-255.
Router Lifetime Enter the time in seconds that hosts should consider the Device to be the default
router. Possible values for this field are 0-9000.
Table 30 Network Setting > Home Networking > IPv6 LAN Setup (continued)
LABEL DESCRIPTION