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 page displays.
4.
Select ADVANCED > Setup > WAN Setup.
The WAN Setup page displays.
5.
In the MTU Size field, enter a value from 64 to 1500.
The normal maximum transmit unit (MTU) value for most Ethernet networks is 1500 bytes, 1492 bytes
for PPPoE connections, or 1436 for PPTP connections.
6.
Click the Apply button.
Your settings are saved.
Specify Your Internet Settings
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Nighthawk AC1900 Smart WiFi Router Model R6900v2