This module reviewed the fundamentals of the Spanning Tree Protocol
operation in a switched network. We discovered the purpose of the primary and
root bridge and how they are elected. PortFast, UplinkFast and BackboneFast
were discussed in their various rolls of enhancing the performance of STP.
EtherChannel was examined as well as its interoperability with STP. This module
provided guidelines for the enhancing the resiliency of STP when a network
faults occurs.