User manual
Table Of Contents
- Nighthawk X6 AC3200 Tri-Band WiFi Router
- Contents
- 1. Hardware Setup
- 2. Connect to the Network and Access the Router
- 3. Specify Your Internet Settings
- 4. Optimize Performance
- 5. Control Access to the Internet
- 6. Tri-Band WiFi Connections
- 7. Share USB Devices Attached to the Router
- 8. Access USB Devices Through the Internet
- 9. Use the Router as a Media Server
- 10. Share a USB Printer
- 11. Network Settings
- Set Up a Default DMZ Server
- Change the Router’s Device Name
- Change the LAN TCP/IP Settings
- Specify the IP Addresses That the Router Assigns
- Disable the DHCP Server Feature in the Router
- Reserve LAN IP Addresses
- Use the WPS Wizard for WiFi Connections
- Specify Basic WiFi Settings
- Change the WiFi Password or Security Level
- Set Up a Guest Network
- Control the Wireless Radios
- Set Up a Wireless Schedule
- Specify WPS Settings
- 12. Manage Your Network
- 13. Use VPN to Access Your Network
- 14. Specify Internet Port Settings
- 15. Troubleshooting
- Sequence to Restart Your Network
- Check Ethernet Cable Connections
- Wireless Settings
- Network Settings
- Standard LED Behavior When the Router is Powered On
- Power LED Is Off or Blinking
- Power LED Stays Amber
- LEDs Never Turn Off
- Internet or Ethernet Port LEDs Are Off
- WiFi LED Is Off
- Cannot Log In to the Router
- Cannot Access the Internet
- Changes Not Saved
- Wireless Connectivity
- Troubleshoot Your Network Using the Ping Utility
- A. Supplemental Information

Specify Your Internet Settings
37
Nighthawk X6 AC3200 Tri-Band WiFi Router
A login screen displays.
3. Enter the router user name and password.
The user name is admin.
The default password is password. The user name and
password are case-sensitive.
The BASIC Home screen displays.
4. Select ADV
ANCED > Setup > WAN Setup.
5. In the MTU Size field, enter a value from 64 to 1500.
6. Click the Apply button.
Your settings are saved.
If you suspect an MTU problem, a common solution is to change the MTU to 1400. If you are
willing to experiment, you can gradually reduce the MTU from the maximum value of 1500
until the problem goes away
. The following table describes common MTU sizes and
applications.
Table 2. Common MTU sizes
MTU Application
1500 The largest Ethernet packet size. This setting is typical for connections that do not use
PPPoE or VPN and is the default value for NETGEAR routers, adapters, and switches.
1492 Used in PPPoE environments.
1472 Maximum size to use for pinging. (Larger packets are fragmented.)
1468 Used in some DHCP environments.
1460 Usable by AOL if you do not have large email attachments, for example.
1436 Used in PPTP environments or with VPN.
1400 Maximum size for AOL DSL.
576 Typical value to connect to dial-up ISPs.