Chapter 4 WAN
PMG5318-B20A User’s Guide
35
First DNS Server
Second DNS Server
Third DNS Server
Select From ISP if the ISP dynamically assigns DNS server information (and the
GPON Device's WAN IP address) and you select Obtain an IP Address
Automatically.
Select UserDefined if you have the IP address of a DNS server. Enter the DNS
server's IP address in the field to the right.
Select None if you do not want to configure DNS servers. You must have another
DNS server on your LAN, or else the computers must have their DNS server
addresses manually configured. If you do not configure a DNS server, you must know
the IP address of a computer in order to access it.
IPv6 IP Address
Address Configuration
Mode
Select DHCP if you want to obtain an IPv6 address from a DHCPv6 server.
The IP address assigned by a DHCPv6 server has priority over the IP address
automatically generated by the Device using the IPv6 prefix from an RA.
Select SLAAC (Stateless address autoconfiguration) to have the Device use the prefix
to automatically generate a unique IP address that does not need to be maintained by
a DHCP server.
Select Auto to have the Device indicate to hosts for IPv6 address generation
depending on the M/O (Managed/Other) flag values in the router advertisements
sending to hosts. You can configure the M/O flag settings in the IPv6 Router
Advertisement Setting section below.
Link-Local Address This field displays the link-local address the GPON Device generated itself for the
WAN.
IPv6 Address Enter the IPv6 address assigned by your ISP for this WAN.
Prefix Length Enter the address prefix length to specify how many most significant bits in an IPv6
address compose the network address.
Default Gateway Enter the IP address of the next-hop gateway. The gateway is a router or switch on
the same segment as your GPON Device's interface(s). The gateway helps forward
packets to their destinations.
IPv6 DNS Server
First DNS Server
Second DNS Server
Third DNS Server
Select From ISP if the ISP dynamically assigns DNS server information (and the
GPON Device's WAN IP address) and you select Obtain an IP Address
Automatically.
Select UserDefined if you have the IP address of a DNS server. Enter the DNS
server's IP address in the field to the right.
Select None if you do not want to configure DNS servers. You must have another
DNS server on your LAN, or else the computers must have their DNS server
addresses manually configured. If you do not configure a DNS server, you must know
the IP address of a computer in order to access it.
IPv6 Router
Advertisement
Setting
Select this option if you want to have the GPON Device use the IPv6 prefix from the
connected router’s Router Advertisement (RA) to generate an IPv6 address.
M Flag
Select this to have the GPON Device indicate to hosts to obtain network settings (such
as WAN IP, LAN prefix and DNS settings) through DHCPv6.
Clear this to have the GPON Device check O flag.
O Flag
Select this to have the GPON Device indicate to hosts to obtain DNS information and
LAN prefix through DHCPv6.
Clear this to have the GPON Device not get information through DHCPv6.
Table 6 Internet Access Setup - IP (continued)
LABEL DESCRIPTION
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