
Nighthawk AC1750 Smart WiFi Router
Change the MTU Size
To change the MTU size:
1.Launch an Internet browser from a computer or wireless device that is connected to the network.
2.Type http://www.routerlogin.net or http://www.routerlogin.com. 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
The BASIC Home screen displays.
4.Select ADVANCED > Setup > WAN Setup.
5.In the MTU Size field, enter a value from 64 to 1500.
6.Click the Apply button. Your change is saved.
Common MTU Sizes
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
1500
1492
1472
Application
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.
Used in PPPoE environments.
Maximum size to use for pinging. (Larger packets are fragmented.)
Specify Your Internet Settings
39