Glossary

Rapid Spanning Tree Protocol (RSTP)
The Rapid Spanning Tree Protocol (RSTP) is a Layer 2 protocol — specified by IEEE 802.1w — that is essentially the same as
spanning-tree protocol (STP) but provides faster convergence and interoperability with switches configured with STP and
multiple spanning tree protocol (MSTP).
Topics:
• Protocol Overview
• Configuring Rapid Spanning Tree
• Important Points to Remember
• Configuring Interfaces for Layer 2 Mode
• Enabling Rapid Spanning Tree Protocol Globally
• Adding and Removing Interfaces
• Modifying Global Parameters
• Modifying Interface Parameters
• Enabling SNMP Traps for Root Elections and Topology Changes
• Influencing RSTP Root Selection
• Configuring an EdgePort
• Configuring Fast Hellos for Link State Detection
Protocol Overview
RSTP is a Layer 2 protocol — specified by IEEE 802.1w — that is essentially the same as spanning-tree protocol (STP) but
provides faster convergence and interoperability with switches configured with STP and multiple spanning tree protocol
(MSTP).
The Dell EMC Networking OS supports three other variations of spanning tree, as shown in the following table.
Table 82. Spanning Tree Variations Dell EMC Networking OS Supports
Dell EMC Networking Term IEEE Specification
Spanning Tree Protocol (STP) 802.1d
Rapid Spanning Tree Protocol (RSTP) 802.1w
Multiple Spanning Tree Protocol (MSTP) 802.1s
Per-VLAN Spanning Tree Plus (PVST+) Third Party
Configuring Rapid Spanning Tree
Configuring RSTP is a two-step process.
1. Configure interfaces for Layer 2.
2. Enable the rapid spanning tree protocol.
Related Configuration Tasks
● Adding and Removing Interfaces
● Modifying Global Parameters
● Modifying Interface Parameters
● Configuring an EdgePort
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