A network administrator suspects that an unauthorized device is connected to the network because of sporadic connectivity issues reported by users. They decide to use a command to display the current MAC address entries on a Cisco switch to investigate. Which command will provide the best information for identifying devices on specific ports?
The command 'show mac address-table' is used on Cisco switches to display the MAC address table that maps MAC addresses to their corresponding ports. This helps in identifying which devices are connected to which ports on the switch. Using this command, an administrator can track down unknown or unauthorized devices by correlating MAC addresses with specific ports. Other listed commands are valid Cisco commands but do not directly provide the necessary information for resolving the issue at hand.
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What is a MAC address and why is it important in networking?
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Can you explain the role of a Cisco switch in a network?
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What other commands might be useful for a network administrator troubleshooting connectivity issues?