Chapter 2. Spanning Tree Protocol Concepts
Spanning Tree Protocol (STP) allows Ethernet LANs to have the added benefits of installing redundant links in a LAN, while overcoming the known problems that occur when adding those extra links. Using redundant links in a LAN design allows the LAN to keep working even when some links fail or even when some entire switches fail. Proper LAN design should add enough redundancy so that no single point of failure crashes the LAN; STP allows the design to use redundancy without causing some other problems.
STP affects many aspects of how switch forwarding logic works. Because Cisco puts the STP exam topics into the ICND2 half of the CCNA Routing and Switching exam, all the detailed examples in the ICND1 Cert ...
Get CCNA Routing and Switching ICND2 200-105 Official Cert Guide, Academic Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.