• 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
LAN).
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
along the way. If a device in the data path uses a lower 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.These web-based applications
might require an MTU change:
- A secure website that does not open, or displays only part of a web page
- Yahoo email
- MSN portal
- America Online’s DSL service
• 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
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Nighthawk X10 AD7200 Smart WiFi Router