Configuring Open Transport

Apple has developed a network architecture called Open Transport which offers greater speed and easier configuration than MacTCP, which was originally designed for use only with Macs on a LAN (and therefore it was assumed that a network administrator would be available to set it up). While most PowerPC machines can still run MacTCP, the PCI-based PowerMacs (eg. 7200, 7500, 8500) must run Open Transport, which was included as part of the System software shipped with those machines (originally 7.5.2); in addition most 68K Macs (030 and 040 systems at least) can also run Open Transport. Version 1.1.2 of the Open Transport software has now been released, and all Mac users are advised to upgrade or migrate to the new Open Transport software if possible (users with less than 8MB of RAM might wish to stay with MacTCP, as Open Transport requires more memory - up to 1MB or more - to run. But any Mac with only 8MB or RAM will also have problems running Netscape Navigator and many other Internet clients). Of course, if MacTCP ain't broke, you may wonder, why fix it? Faster performance, easier configuration, and on-the-fly configuration switching are a few reasons; as is Apple's branding - as of System 7.6, MacTCP is no longer supported).
When you open the TCP/IP control panel ot-icon.gif (426 bytes), you should see a screen like this:
OT-config.gif (6193 bytes)

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