Rapid Spanning Tree Protocol

• 1 Rapid Spanning Tree Protocol
  • 1.1 RSTP Overview
  • 1.2 RSTP Parameter Configuration
    • 1.2.1 RSTP Parameters and Defaults
    • 1.2.2 Configuring IEEE 802.1w Rapid Spanning Tree Protocol
      • 1.2.2.1 Note Regarding Pasting IEEE 802.1w Settings into the Running Configuration
    • 1.2.3 Displaying RSTP (IEEE 802.1w) Information
  • 1.3 Bridges and Bridge Port Roles
  • 1.4 Edge Ports and Edge Port Roles
  • 1.5 Point-to-Point Ports
  • 1.6 Bridge Port States
  • 1.7 Edge Port and Non-Edge Port States
  • 1.8 Changes to Port Roles and States
  • 1.9 IEEE 802.1w Convergence in a Simple Topology
  • 1.10 Convergence after a Link Failure
  • 1.11 Convergence at Link Restoration
  • 1.12 Convergence in a Complex IEEE 802.1w Topology
  • 1.13 Propagation of Topology Change
• 2 PVST/PVST+ Compatibility
  • 2.1 Overview of PVST and PVST+
  • 2.2 Configuring PVST+ Support
    • 2.2.1 Enabling PVST+ Support Manually
  • 2.3 Displaying PVST+ Support Information
  • 2.4 PVST+ Configuration Examples
    • 2.4.1 Tagged Port Using Default VLAN 1 as its Port Native VLAN
    • 2.4.2 Untagged Port Using VLAN 2 as Port Native VLAN
  • 2.5 PVST+ Protect
• 3 PVRST Compatibility
• 4 BPDU Guard
  • 4.1 Enabling STP BPDU Guard
  • 4.2 Displaying the BPDU Guard Status
    • 4.2.1 BPDU Guard Status Example Configurations
  • 4.3 BPDU Guard Status Example Console Messages
• 5 Root Guard
  • 5.1 Enabling STP Root Guard
  • 5.2 Displaying the STP Root Guard
• 6 Designated Protection
  • 6.1 Enabling Designated Protection on a Port
  • 6.2 Syslog Message for a Port in Designated Inconsistent State
• 7 Error Disable Recovery
  • 7.1 Enabling an Error-Disabled Port Automatically
  • 7.2 Enabling an Error-Disabled Port Manually
  • 7.3 Setting the Recovery Interval
  • 7.4 Displaying the Error Disable Recovery State by Interface
  • 7.5 Displaying the Recovery State for All Conditions
  • 7.6 Displaying the Recovery State by Port Number and Cause
  • 7.7 Errdisable Syslog Messages
• 8 802.1s Multiple Spanning Tree Protocol
  • 8.1 Multiple Spanning Tree Regions
  • 8.2 Configuration Notes
  • 8.3 Configuring MSTP Mode and Scope
  • 8.4 Reduced Occurrences of MSTP Reconvergence
    • 8.4.1 Example Application of MSTP Reconvergence
    • 8.4.2 Deleting a VLAN to MSTI Mapping
    • 8.4.3 Viewing the MSTP Configuration Digest
  • 8.5 Configuring Multiple Spanning Tree Protocol
  • 8.6 MSTP+ Overview
  • 8.7 Configuring MSTP+
  • 8.8 Switching Between Non-MSTP, MSTP, and MSTP+ Modes
  • 8.9 Disabling MSTP on a Port
  • 8.10 Changing MSTP Port Parameters
  • 8.11 Forcing Ports to Transmit an MSTP BPDU
  • 8.12 Enabling MSTP on a Device
  • 8.13 Displaying MSTP Statistics
  • 8.14 Displaying MSTP Information for a Specified Instance
  • 8.15 Displaying MSTP Information for CIST Instance 0
  • 8.16 MSTP Root Guard
    • 8.16.1 Configuring MSTP Root Guard
    • 8.16.2 Displaying MSTP Root Guard Configuration
• 9 Packet InError Detection
  • 9.1 Configuring Packet InError Detection
  • 9.2 Syslog Message for Error-Disabled Port Due to inError Packets