Which of the following reasons may lead to the MSTP protocol in LAN does not work? (Multiple Choice)

Which of the following reasons may lead to the MSTP protocol in LAN does not work? (Multiple Choice)
A . MSTP configuration error
B . The physical link oscillates, triggering the device to send many TC packets
C .  Enable MSTP device to receive the client or pass-through of MSTP TC messages
D .  The priority of the unconfigured port in the specified spanning tree instance

View Answer

Answer: ABC