This Information applies to:
- Buffalo Airstation
- Mac OSX
This document explains how to adjust the MTU (Maximum
Transmission Unit) settings to optimise your ADSL Service on Mac
OS Panther 10.3.x.
BT Wholesale recommend an MTU setting of 1458 (bytes)
and state that it is best suited to the performance of the ADSL
If your computer is connected via Ethernet (Not Airport)
the MTU can be changed in the system preferences. System preferences
can be found under the Apple Menu.
on the network icon to open the network preferences. Select "Built-In
Ethernet" from the Show: menu.
Now click the button (Tab) labeled "Ethernet". The default setting
is set to Configure: "Automatically". Change this to Configure:
Under the section Maximum Packet Size (MTU) select
the Custom option and type 1458 in to the box. Click Apply Now
to apply settings.
Changes are complete.
Instructions for configuring MTU with Airport are
currently being produced.