Chapter 9. Spanning Tree Protocol Concepts
This chapter covers the following exam topics:
2.0 Network Access
2.4 Configure and verify (Layer 2/Layer 3) EtherChannel (LACP)
2.5 Describe the need for and basic operations of Rapid PVST+ Spanning Tree Protocol and identify basic operations
2.5.a Root port, root bridge (primary/secondary), and other port names
2.5.b Port states (forwarding/blocking)
2.5.c PortFast benefits
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. ...
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