Netgear DGN1000v3 User Manual download pdf (Page 46)

NETGEAR genie ADVANCED Home

N150 Wireless ADSL2+ Modem Router DGN1000v3

These web-based applications might require an MTU change:

- A secure website that does not open, or displays only part of a web page

- Y

ahoo 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.

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 2. 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 have 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.

 To change the MTU size:

1. Select ADVANCED > Setup > WAN Setup

The WAN Setup screen displays.

2. In the MTU Size field, enter a value from 64 to 1500.

3. Click the Apply button.

Your settings are saved.

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Netgear DGN1000v3 User Manual Page 46