AC1750 WiFi Cable Modem Router

The user name is admin. The default password is password. The user name and password are case-sensitive.

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.

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 1. Common MTU sizes

MTU

Application

 

 

1500

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 modem routers, adapters, and

 

switches.

 

 

1492

Used in PPPoE environments.

 

 

1472

Maximum size to use for pinging. (Larger packets are fragmented.)

 

 

1468

Used in some DHCP environments.

 

 

1460

Usable by AOL if you do not use large email attachments, for example.

 

 

1436

Used in PPTP environments or with VPN.

 

 

1400

Maximum size for AOL DSL.

 

 

576

Typical value to connect to dial-up ISPs.

 

 

Specify Network Settings

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NETGEAR C6300 user manual Common MTU sizes