Did you know Cybrary's video training is FREE? Join more than 2,500,000 IT and cyber security professionals, students, career changers, and more, growing their careers on Cybrary.
Spanning Tree Protocol This lesson covers spanning tree protocol, which prevents a packet from doing an endless loop in a network. This is accomplished by turning certain links to blocking mode. It sends out a packet that lets spanning tree protocol know not to send data on certain links; a certain bridge can block off its link to other bridges which prevents loops.