Chapter 8. Protecting the Spanning Tree Protocol Topology
This chapter covers the following topics that you need to master for the CCNP SWITCH exam:
Protecting Against Unexpected BPDUs: This section covers the Root Guard and BPDU Guard features, which protect against unexpected root candidates and unexpected BPDUs, respectively.
Protecting Against Sudden Loss of BPDUs: This section discusses the Loop Guard and Unidirectional Link Detection (UDLD) features, which detect and protect against the loss of root bridge BPDUs and conditions causing unidirectional ...