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Home Forums duplex, router, g4...ugh — #2 duplex, router, g4...ugh — #2
Post #2 by Camelot
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Apple recommends setting all NICs to auto negotiate speed and duplex.

If you try to hard-code a NIC to 100-full, you HAVE to also nail the switch/router port to 100-full. If the switch is set to auto, but your Mac isn't, you won't get a reliable connection.
mp.ls