Table of Contents
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Topics:
•
Spanning Tree Variations
•
Configure Multiple Spanning Tree Protocol
•
Enable Multiple Spanning Tree Globally
•
Adding and Removing Interfaces
•
Creating Multiple Spanning Tree Instances
•
Influencing MSTP Root Selection
•
Interoperate with Non-Dell Bridges
•
Changing the Region Name or Revision
•
Modifying Global Parameters
•
Modifying the Interface Parameters
•
Configuring an EdgePort
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Flush MAC Addresses after a Topology Change
•
MSTP Sample Configurations
•
Debugging and Verifying MSTP Configurations
Spanning Tree Variations
The Dell Networking OS supports four variations of spanning tree, as shown in the following table.
Table 56. Spanning Tree Variations
Dell Networking Term
Spanning Tree Protocol (STP)
Rapid Spanning Tree Protocol (RSTP)
Multiple Spanning Tree Protocol (MSTP)
Per-VLAN Spanning Tree Plus (PVST+)
Implementation Information
MSTP is implemented as follows on the Dell Networking OS:
•
The MSTP implementation is based on IEEE 802.1Q-2003 and interoperates only with bridges that also
use this standard implementation.
•
MSTP is compatible with STP and RSTP.
•
The system supports only one MSTP region.
•
When you enable MSTP, all ports in Layer 2 mode participate in MSTP.
IEEE Specification
802 .1d
802 .1w
802 .1s
Third Party
Multiple Spanning Tree Protocol (MSTP)
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Troubleshooting
