The speed setting defaults to its automatic configuration.
What happens if I use the no speed command on an interface? The speed setting defaults to autoconfiguration. Which of the following is the most important fact that makes the IEEE auto-negotiation protocol work?
Switch ports can be manually configured with specific duplex and speed settings. To manually specify the duplex mode of a switch port, use the duplex interface configuration mode command. To manually specify the speed of the switch port, use the speed interface configuration mode command.
Auto-negotiation is a feature that allows a port on a switch, router, server, or other device to communicate with the device on the other end of the link to determine the optimal duplex mode and speed for the link.
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