User's Manual
Table Of Contents
- About this User Guide
- Table Of Contents
- Chapter 1– Setting Up And Administering The Switch
- Chapter 2 - Configuring MAC Address Management
- Chapter 3 – Configuring the Ports
- Chapter 4 – Configuring VLANs
- Chapter 5 – Configuring Class of Service
- Chapter 6 – Configuring Rapid Spanning Tree
- Chapter 7 – Configuring Multicast Filtering
- Chapter 8 – Diagnostics
- Chapter 9 – Using Ethernet And RMON Statistics
- Introduction
- View Ethernet Statistics
- View Ethernet Port Statistics
- Remote Monitoring (RMON)
- RMON Historical Statistics Concepts And Issues
- RMON Alarms And Events Concepts And Issues
- The Alarm Process
- Alarm Generation And Hysteresis
- Delta vs. Absolute Values
- Configure RMON Alarms
- Configure RMON Events
- RMON Event Logs
- Troubleshooting
- Chapter 10 - Using The CLI Shell
- Chapter 11 – Upgrading Firmware And Managing Configurations
- Appendix A - Menu Tree
- Appendix B - SNMP MIB Support
- Appendix C – SNMP Trap Summary
- Appendix D – RMON Acceptable MIB Parameters
- Index

Chapter 6 – Configuring Rapid Spanning Tree
Learned Hello Time
The actual Hello time provided by the root bridge as learned in configuration
messages. This time is used in designated bridges.
Configured Forward Delay
The configured Forward Delay time from the Bridge RSTP Parameters menu.
Learned Forward Delay
The actual Forward Delay time provided by the root bridge as learned in
configuration messages. This time is used in designated bridges.
Configured Max Age
The configured Maximum Age time from the Bridge RSTP Parameters menu.
Learned Max Age
The actual Maximum Age time provided by the root bridge as learned in
configuration messages. This time is used in designated bridges.
Total Topology Changes
A count of topology changes in the network, as detected on this bridge through
link failures or as signaled from other bridges. Excessively high or rapidly
increasing counts signal network problems.
RuggedCom
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