>> Gotta use a hub....my Duo and the iMac coexist nicely on a network, but
>> not directly.  It is the way the iMac senses speed for the network
>> connection.
>
>I second this, but it is the Asante that doesn't play well with the
>iMac, not the other way around. I have the same problem with the
>MicroAsanteprint I use to connect my printer. It needs to be on a 10
>base-T hub. If I connect it to a 100bT capable port (even 10/100) I only
>get a flashing link LED.

Accurately, the problem is with the speed and duplex autonegotiation
protocol, but it's not specific to the iMac. Ethernet autosensing just
works badly much of the time, and you'll have better results forcing any
port that wants to use it into the correct fixed mode. In this case Apple
has a set of 4 extensions you can use on the iMac, one for each possible
mode combination (10/100, full or half duplex). You can also usually
control this from Unix (Linux or OS X) via the ethernet driver in question
by using the ifconfig command.

Similarly, with a managed hub you can usually force a port into 10/half
(for a passive hub) or 10/full (for a switch, which it's more likely to be
if it has a management interface in the first place :). Using a simple
"dumb" 10Base-T passive hub is effectively a blanket way of doing just that.




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