Why Are Some Fast Ethernet Ports On The Switches Are Up And Others Are Down?
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Some fast Ethernet ports on the switches are up or down based on the configuration of the switch. A port may be down if it is not configured to be active, or if a loop has been detected and the port has been disabled to prevent broadcast storms. Also, a port may be down if it is connected to a dead or inactive device, or if there is a hardware issue with the port itself.