Which two things could be causing the Port-Extender to show “offline”?

A network engineer has connected a Port Extender to a C-Series switch. While issuing the command “show pe brief” on the C-Series switch, the engineer sees a status of “offline”.

Which two things could be causing the Port-Extender to show “offline”? (Choose two.)
A . Mismatched software version
B . Communication error
C . Physical interfaces are shutdown
D . Incorrect Port-Channel numbering

View Answer

Answer: AB