Tenda teg2124t User Manual page 39

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Yahoo email
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B. You use VPN and encounter serious performance problems.
C. You used a program to optimize MTU for performance reasons, and now you have connectivity
or performance problems.
If you suspect an MTU problem, try changing the MTU to 1400. If this does not help, gradually
reduce the MTU from the maximum value of 1500 until the problem disappears.
The common MTU sizes and applications are listed in the table below.
MTU
1500
1492
1472
1468
1436
Note ---------------------------------------------------------------------------------------------------------------------
A wrong/improper MTU value may cause Internet communication problems. For example, you
may be unable to access certain websites, frames within websites, secure login pages, or FTP or
POP servers.
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Application
Typical for connections that do not use PPPoE or VPN.
Used in PPPoE environments.
Maximum size to use for pinging. (Larger packets are
fragmented.)
Used in some DHCP environments.
Used in PPTP environments or with VPN.
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III Features &Connectivity