Allied Telesis AT-9000/28POE, AT-9000/12POE manual Slow Performance Between Switch and Host Device

Chapter 6: Troubleshooting

Slow Performance Between Switch and Host Device

If network performance between a twisted-pair port on the switch and a host device is slow, there might be a duplex mode mismatch between the port and the host device. This occurs when a twisted-pair port using Autonegotiation is connected to a device with a fixed duplex mode of full duplex.

If this is the cause of the problem, adjust the duplex mode of the port on the host device or switch so that both ports are using the same duplex mode.

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