Layer 1
- The installation of cables and connectors.
- The behavior of LED status lights. For additional information about LEDs, see LEDs.
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That the port is enabled, the link status is active,
and speed and duplex parameters match the port settings at the other
end of the cable.
- To display the configuration of one or more ports, use the show ports configuration command.
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That the packets are being received and transmitted.
- To display the number of packets being received and transmitted, use the show ports {port_list | stack-ports stacking-port-list} statistics {no-refresh} command.
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That there are no packet errors.