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• Auto Config. This is the default setting.
This setting specifies how the router assigns IPv6 addresses to the devices on your home
network (the LAN).
7. (Optional) Select the Use This Interface ID check box and specify the interface ID that you
want 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.
8. 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.
9. Click the Apply button.
Your settings are saved.
Manage the MTU size
The maximum transmission unit (MTU) is the largest data packet a network device transmits.
MTU concepts
When one network device communicates across the Internet with another, the data packets
travel through many devices along the way. If a device in the data path uses a lower maximum
transmission unit (MTU) setting than the other devices, the data packets must be split or
"fragmented" to accommodate the device with the smallest MTU.
The best MTU setting for NETGEAR equipment is often the default value. In some situations,
changing the value fixes one problem but causes another. Leave the MTU unchanged unless
one of these situations occurs:
• You experience problems connecting to your ISP or other Internet service, and the technical
support of either the ISP or NETGEAR recommends changing the MTU setting.
For example, if a secure website does not open, or displays only part of a web page, you might
need to change the MTU.
• You use VPN and experience severe performance problems.
• You used a program to optimize MTU for performance reasons and now you are experiencing
connectivity or performance problems.
Specify Your Internet Settings
Nighthawk AX8 8-Stream AX6000 WiFi Router
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User Manual
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