CCNA Exam Prep 21, Rapid PVST+ Port Roles and States
Jul 27, 2026
This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams.
In this episode you will learn:
- The four port roles in Rapid PVST+: Root, Designated, Alternate, and Backup.
- The three simplified port states in RSTP: Discarding, Learning, and Forwarding.
- How the Alternate port provides a fast-converging backup path to the root bridge.
- The specific difference between an Alternate port (backup to the root) and a Backup port (backup to a segment).
- How Edge Ports immediately transition to forwarding, similar to the classic PortFast feature.
For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep
Show More Show Less 