This chapter covers the following topics that you need to master for the CCNP SWITCH exam:
IEEE 802.1D Overview—This section discusses the original, or more traditional, Spanning Tree Protocol (STP). This protocol is the foundation for the default Catalyst STP and for all the enhancements that are described in Chapters 8, “Spanning-Tree Configuration,” through 10, “Advanced Spanning Tree Protocol.”
Types of STP—This section discusses other types of STP that might be running on a Catalyst switch—specifically, the Common Spanning Tree, Per-VLAN Spanning Tree (PVST), and PVST+.
Previous chapters covered ways to connect two switches together with a VLAN trunk link. What if something happens to the trunk ...