Your switch has a port status LED that is alternating between green and amber. What could this indicate?

A The port is experiencing errors
B The port is shut down
C The port is in STP blocking mode
D Nothing, this is normal.

Correct Answer: The port is experiencing errors

When you connect to a switch port, at first the link lights are orange/amber, and then they turn green, indicating normal operation. If the  link light is blinking, you have a problem.

Related Questions

You connect a host to a switch port, but the new host cannot log into the server that is plugged into the same switch. What could the problem be?
Which type of cable is used to connect COM port of a host to the COM port a router or switch

Next steps