indicated by the underline (_) under the IPv6 address. If no address is acquired, the field displays
•Router’s IPv6 Address on LAN. This field shows the IPv6 address that is acquired for the router’s
LAN interface. The number after the slash (/) is the length of the prefix, which is also indicated by
the underline (_) under the IPv6 address. If no address is acquired, the field displays Not Available.
6. In the Login field, enter the login information for the ISP connection.
This is usually the name that you use in your email address. For example, if your main mail account is
JerAB@ISP.com, you would type JerAB in this field. Some ISPs (like Mindspring, Earthlink, and T-DSL)
require that you use your full email address when you log in. If your ISP requires your full email address,
type it in this field.
7. In the Password field, enter the password for the ISP connection.
8. In the Service Name field, enter a service name.
If your ISP did not provide a service name, leave this field blank.
The default setting of the Connection Mode menu is Always On to provide a steady
IPv6 connection. The router never terminates the connection. If the connection is
terminated, for example, when the modem is turned off, the router attempts to
reestablish the connection immediately after the PPPoE connection becomes available
9. Select an IP Address Assignment radio button:
•Use DHCP Server. This method passes more information to LAN devices but some IPv6 systems
might not support the DHCv6 client function.
•Auto Config. This is the default setting.
This setting specifies how the router assigns IPv6 addresses to the devices on your home network (the
10. (Optional) Select the Use This Interface ID check box and specify the interface ID to be used for the
IPv6 address of the router’s LAN interface.
If you do not specify an ID here, the router generates one automatically from its MAC address.
11. Select an IPv6 Filtering radio button:
•Secured. In secured mode, which is the default mode, the router inspects both TCP and UDP packets.
•Open. In open mode, the router inspects UDP packets only.
12. Click the Apply button.
Your settings are saved.
Change the MTU Size
The maximum transmission unit (MTU) is the largest data packet a network device transmits. When one
network device communicates across the Internet with another, the data packets travel through many devices
Specify Your Internet Settings
Nighthawk X6S AC4000 Tri-Band WiFi Router