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 a web browser from a computer or mobile device that is connected to the
modem router network.
2.
Enter http://routerlogin.net or 192.168.1.1.
A login window opens.
3. Enter the modem 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.
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 4. Common MTU sizes
ApplicationMTU
The largest Ethernet packet size. This setting is typical for connections
that do not use VPN, and is the default value for NETGEAR routers,
adapters, and switches.
1500
User Manual23Specify Your Internet Settings
Nighthawk AX6 AX2700 WiFI Cable Modem Router Model CAX30
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