Nighthawk AC1900 WiFi Cable Modem Router
Specify Your Internet Settings
User Manual
29
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Yahoo email
-
MSN portal
-
America Online’s DSL service
•
You use VPN and have severe performance problems.
•
You 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.
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 window opens.
3.
Enter the modem router user name and password.
The user name is
admin
. The user name and password are case-sensitive.
The BASIC Home page 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.
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