Nighthawk AC1900 WiFi Cable Modem Router
Specify Your Internet Settings User Manual29
- Yahoo email
- MSN port
al
- America Onlin
e’s DSL service
• Y
ou use VPN and have severe performance problems.
• Y
ou used a program to optimize MTU for performance reasons, and now you have
connectivity or performance problems.
Note: An incorrect MTU setting can cause Internet communication
problems. For example, you might not be able to access certain
websites, frames within websites, secure login pages, or FTP or POP
servers.
To change the MTU size:
1. L
aunch an Internet browser from a computer or wireless device that is connected to the
network.
2. T
ype http://www.routerlogin.net or http://www.routerlogin.com.
A login window opens.
3. Ente
r the modem router user name and password.
The user name is adm
in. The user name and password are case-sensitive.
The BASIC Home page displays.
4. Select AD
VANCED > Setup > WAN Setup.
5. In the MTU Size field, enter a value from 64 to 1500.
6. Click the Ap
ply button.
Your change is saved.
If you suspect an MTU problem, a common solution is to change the MTU to 1400. If you are
willing to e
xperiment, you can gradually reduce the MTU from the maximum value of 1500