Does the Duo serial port have any of the high speed modem issues, i.e. will a 56k
modem come close to that speed or does it suffer from older Mac serial port
problems that can't keep up much past 14.4?

Thanks for the EN/SC tip. However, the speed coming in from the DSL modem may not
be that critical since it only travels at about 1Mbps, if that. I could then use
something like an E-Machines EthererDock and connect the modem via EN/SC and the
rest of the network via "real"Ethernet. Is there any good way to measure Ethernet
activity speed via EN/SC, like with Tech Tool Pro, etc.? Obviously OT
compatibility will be an easy test.

Alex Timbol wrote:

> About the only acceptabl solution, performance wise, for using the Duo
> as an IP router is to use an Ethernet capable dock, [snip]  Attach the
> modem to the serial port as the fastest available internal modem tops
> out at 19.2 kbps.
>
> EN/SC is about 1/3 the speed of real Ethernet (there was a macworld
> report on this in 1993, damn, forgot the issue) and most EN/SC drivers
> are not OT compliant.  This is a problem because IPNetRouter requires
> OT.

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