What happens if I connect a 100Mbit Ethernet port to a switch which does not support auto-negotiation?
The GTH will sense the link speed and run at that speed (either 10 or 100Mbit/s. The GTH will assume half-duplex. This behaviour is required by IEEE 802.3:2000. Some 10/100Mbit/s Ethernet devices, such as high-end switches, allow auto-negotiation to be disabled and the link speed/duplex setting to be manually configured.
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