Troubleshooting guide

Advanced System Diagnostics and Troubleshooting Guide 7

Contents

Asia TAC 104

EMEA TAC 104

Japan TAC 104

What Information Should You Collect? 105

Analyzing Data 105

Diagnostic Troubleshooting 106

Extreme Networks’ Recommendations 107

Using Memory Scanning to Screen I/O Modules 109

Appendix A Limited Operation Mode and Minimal Operation Mode

Limited Operation Mode 111

Triggering Limited Operation Mode 112

Bringing a Switch Out of Limited Operation Mode 112

Minimal Operation Mode 112

Triggering Minimal Operation Mode 112

Bringing a Switch Out of Minimal Operation Mode 113

Appendix B Reference Documents

General Information 115