Extreme Networks ExtremeWare Version 7.8 Troubleshooting Manual page 4

Contents
Chapter 4
Chapter 5
4
Definition of Terms
Standard Ethernet Detection for Packet Errors on the Wire
Extreme Networks' Complementary Detection of Packet Errors Between Wires
Hardware System Detection Mechanisms
Software System Detection Mechanisms
Failure Modes
Transient Failures
Systematic Failures
Soft-State Failures
Permanent Failures
Responding to Reported Failures
Health Check Messages
Alert Messages
Checksum Error Messages:
Corrective Behavior Messages
Software Exception Handling
Overview of Software Exception Handling Features
System Watchdog Behavior
System Software Exception Recovery Behavior
Redundant MSM Behavior
Configuring System Recovery Actions
Related Commands
Configuring System Recovery Actions on "i" Series Switches
Configuring System Recovery Actions on "e" Series Switches
Usage Notes
Configuring Reboot Loop Protection
Related Commands
Configuring Reboot Loop Protection
Dumping the "i" Series Switch System Memory
Related Commands
Configuring an Automatic System Dump During System Recovery
Initiating a Manual System Dump
Example Log for a Software Exception
Diagnostics
Diagnostic Test Functionality
How Diagnostic Tests are Run
How the Test Affects the Switch
System Health Checks: A Diagnostics Suite
Diagnostic Suite Components
The Role of Memory Scanning and Memory Mapping
Modes of Operation
Advanced System Diagnostics and Troubleshooting Guide
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