I installed Mac OS 7.6 and when I run the Network Software Selector a dialog reports, "You have selected Classic AppleTalk for your network services. Classic AppleTalk is not supported on your CPU. Open Transport will be used instead." Does Classic AppleTalk work with Mac OS 7.6?
Open Transport 1.1.1 is installed as a standard part of Mac OS 7.6 on every system. Classic networking is no longer an option, therefore the Network Software Selector switch is no longer included and will not function properly.