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 8 – Diagnostics
Chapter 8 – Diagnostics
Introduction
This chapter familiarizes the user with:
• Using The Alarm System to view and clear Alarms
• Viewing and clearing the System Log
• Viewing CPU Diagnostics
• Loading the Factory Default Configuration
• Viewing the Product Identification
• Resetting the switch
Using The Alarm System
Alarm Concepts And Issues
Alarms are the occurrence of events of interest that are logged by the switch. If
alarms have occurred the switch will indicate the number of alarms in the top right
corner of all menu screens.
Figure 47: Diagnostics Menu Showing Alarm Commands
My Switch Diagnostics 5 ALARMS!
View Alarms
Clear Alarms
View System Log
Clear System Log
View CPU Diagnostics
View Product Identification
Load Factory Default Configuration
Reset Unit
<CTRL> Z-Help S-Shell
Types Of Alarms
There are two broad types of alarms, active and passive alarms.
Active Alarms
Active alarms are ongoing. They signify states of operation that are not in
accordance with normal operation. Examples of active alarms include links that
should be active but are not or error rates that are continuously exceeding a certain
threshold.
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