Manage the Internet Settings Manually
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N600 and AC750 WiFi DSL Modem Routers
9. Click the Apply button.
Your settings are saved.
10. Click the Test
button to test your Internet connection.
If the NETGEAR website does not display within one minute, see Troubleshoot the
Internet Connection on page 191.
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 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.
Internet IP Address
Get Dynamically from ISP Your ISP uses DHCP to assign your IP address. Your ISP automatically
assigns these addresses.
Use Static IP Address Your ISP assigned a static IP address. Enter the IP address and IP subnet
mask.
Domain Name Server (DNS) Address
The DNS server is used to look up site addresses based on their names.
Get Dynamically from ISP Your ISP uses DHCP to assign your DNS servers. Your ISP automatically
assigns this address.
Use These DNS Servers If you know that your ISP does not automatically transmit DNS addresses
to the modem router during login, select this option and enter the IP
address of your ISP primary DNS server
. If a secondary DNS server
address is available, enter it also.
NA
T (Network Address Translation)
NAT allows computers on your home network to share the modem router Internet connection. NAT is
enabled by default because it is needed in most situations. Select the NA
T settings:
• Enable
. NA
T is enabled.
This is the default setting.
• Disable. NAT is disabled.
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