ZyXEL Communications VMG8825-B Series User Manual page 131

Table 31 Network Setting > Home Networking > LAN Setup (continued)
LABEL DESCRIPTION
Delegate prefix Select this option to automatically obtain an IPv6 network prefix from the service provider or an
from WAN uplink router.
Static Select this option to configure a fixed IPv6 address for the VMG's LAN IPv6 address.
MLD Snooping
Active Multicast Listener Discovery (MLD) allows an IPv6 switch or router to discover the presence of
MLD hosts who wish to receive multicast packets and the IP addresses of multicast groups the
hosts want to join on its network.
Select Active to enable MLD Snooping on the VMG. This allows the VMG to check MLD packets
passing through it and learn the multicast group membership. It helps to reduce multicast traffic.
MLD Mode
LAN IPv6 Select how you want to obtain an IPv6 address:
Address Assign
• Stateless: The VMG uses IPv6 stateless autoconfiguration. RADVD (Router Advertisement
Setup
Daemon) is enabled to have the VMG send IPv6 prefix information in router advertisements
periodically and in response to router solicitations. DHCPv6 server is disabled.
• Stateful: The VMG uses IPv6 stateful autoconfiguration. The DHCPv6 server is enabled to have
the VMG act as a DHCPv6 server and pass IPv6 addresses to DHCPv6 clients.
LAN IPv6 DNS Select how the VMG provide DNS server and domain name information to the clients:
Assign Setup
• From Router Advertisement: The VMG provides DNS information through router
advertisements.
• From DHCPv6 Server: The VMG provides DNS information through DHCPv6.
• From RA & DHCPv6 Server: The VMG provides DNS information through both router
advertisements and DHCPv6.
DHCPv6 Configuration
DHCPv6 Active This shows the status of the DHCPv6. DHCP Server displays if you configured the VMG to act as a
DHCPv6 server which assigns IPv6 addresses and/or DNS information to clients.
IPv6 Router Advertisement State
RADVD State This shows whether RADVD is enabled or not.
IPv6 DNS Values
IPv6 DNS Server Select From ISP if your ISP dynamically assigns IPv6 DNS server information.
1-3
Select User-Defined if you have the IPv6 address of a DNS server. Enter the DNS server IPv6
addresses the VMG passes to the DHCP clients.
Select None if you do not want to configure IPv6 DNS servers.
DNS Query Select how the VMG handles clients' DNS information requests.
Scenario
• IPv4/IPv6 DNS Server: The VMG forwards the requests to both the IPv4 and IPv6 DNS servers
and sends clients the first DNS information it receives.
• IPv6 DNS Server Only: The VMG forwards the requests to the IPv6 DNS server and sends clients
the DNS information it receives.
• IPv4 DNS Server Only: The VMG forwards the requests to the IPv4 DNS server and sends clients
the DNS information it receives.
• IPv6 DNS Server First: The VMG 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 First: The VMG 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.
Apply Click Apply to save your changes.
Cancel Click Cancel to restore your previously saved settings.
Chapter 8 Home Networking
VMG8825-B Series User's Guide
131