TP-Link Pharos Series User Manual page 60

Primary DNS Enter the DNS IP address provided by your ISP.
Secondary DNS Enter alternative DNS IP address if your ISP provides it.
IPv6 Enable or disable the IPv6 function. If the IPv6 function is enabled, the
device will obtain a WAN IPv6 address. Select a method for the device to
obtain the WAN IPv6 address according to the information provided by
your ISP.
•
Select static and enter the WAN IPv6 address, IPv6 netmask, IPv6
gateway, primary DNS and secondary DNS provided by your ISP.
• SLAAC
Select SLAAC and the device will obtain the WAN IPv6 address
automatically.
•
Select DHCPv6 and the device will obtain the WAN IPv6 address
automatically.
MTU Size The normal MTU (Maximum Transmission Unit) value for most Ethernet
networks is 1500 Bytes. For some ISPs you need to modify the MTU. But
this is rarely required, and should not be done unless you are sure it is
necessary for your ISP connection. This number should be an integer
between 576 and 2026.
WAN MAC Specify the MAC address of WAN interface. This field displays the
Address
current MAC address of the WAN port. If your ISP requires that you
register the MAC address, enter the correct MAC address into this
field. The format for the MAC Address is XX-XX-XX-XX-XX-XX (X is
any hexadecimal digit). Click Restore Factory MAC to restore the MAC
address of WAN port to the factory default value.
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