Читать книгу CCNP Enterprise Certification Study Guide: Implementing and Operating Cisco Enterprise Network Core Technologies - Ben Piper, David Higby Clinton - Страница 70

One way that RSTP achieves a fast convergence time is by avoiding putting some ports through the three-step process of discarding, learning, and forwarding. The idea is that by predefining ports that are directly connected to another switch or to an edge device, RSTP can more quickly figure out which ports to block and which to transition to the forwarding state. RSTP defines three link types:

 Point-to-point (P2P)

 P2P Edge

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