Lan Setup - NETGEAR CG3300CMR User Manual

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.
An incorrect MTU setting causes Internet communication problems.
Note:
These problems include the inability 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 1. Common MTU sizes
MTU Application
1500 The largest Ethernet packet size and the default value. This size is the typical setting for
non-PPPoE, non-VPN connections, and is the default value for NETGEAR gateways,
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.
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To change the MTU size:
Select Advanced > Setup > WAN Setup.
1.
In the MTU Size field, enter a new size from 64 through 1500.
2.
Click Apply to save the settings.
3.

LAN Setup

The LAN Setup screen allows you to configure LAN services such as the IP address of the
gateway and DHCP. The TCP/IP and DHCP default values work fine in most cases.
The gateway is shipped preconfigured to use private IP addresses on the LAN side and to act
as a DHCP server. The default LAN IP configuration of the gateway is:
Wireless Cable Gateway CG3300CMR
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