Extreme Networks ExtremeWare XOS Guide - Page 18

Contents
ExtremeWare XOS 11.3 Concepts Guide
18
Appendix B: Troubleshooting ....................................................................................................... 609
Troubleshooting Checklists.......................................................................................................609
Layer 1 ............................................................................................................................609
Layer 2 ............................................................................................................................610
Layer 3 ............................................................................................................................610
LEDs......................................................................................................................................612
Using the Command Line Interface...........................................................................................614
General Tips and Recommendations ...................................................................................614
MSM Prompt—Modular Switches Only ................................................................................616
Command Prompt .............................................................................................................616
Port Configuration .............................................................................................................617
VLANs..............................................................................................................................618
STP .................................................................................................................................618
ESRP...............................................................................................................................619
VRRP...............................................................................................................................620
Using Standalone ELRP to Perform Loop Tests ..........................................................................620
About Standalone ELRP.....................................................................................................621
Configuring Standalone ELRP.............................................................................................621
Displaying Standalone ELRP Information.............................................................................622
Using the Rescue Software Image—Modular Switches Only.........................................................623
Obtaining the Rescue Image from a TFTP Server ..................................................................623
Obtaining the Rescue Image from an External Compact Flash Memory Card—
BlackDiamond 8800 Family of Switches Only ......................................................................624
Debug Mode ...........................................................................................................................626
Saving Debug Information to the Memory Card...........................................................................626
Enabling the Switch to Send Debug Information...................................................................627
Copying Debug Information ................................................................................................627
Managing Files on the External Memory Card—Modular Switches Only...................................627
TOP Command........................................................................................................................629
TFTP Server Requirements.......................................................................................................629
System Health Check—Modular Switches Only ..........................................................................629
Overview of the System Health Checker...............................................................................629
Enabling and Disabling Backplane Diagnostic Packets on the Switch .....................................630
Configuring Backplane Diagnostic Packets on the Switch ......................................................631
System Odometer....................................................................................................................631
Monitored Components ......................................................................................................631
Recorded Statistics ...........................................................................................................631
Temperature Operating Range ..................................................................................................632
Corrupted BootROM on the BlackDiamond 8800 Family of Switches............................................633
Inserting Powered Devices in the PoE Module—BlackDiamond 8800 Family of Switches Only........633
Untagged Frames on the 10 Gbps Module—BlackDiamond 10K Switch Only................................633
Running MSM Diagnostics from the Bootloader—BlackDiamond 10K Switch Only ........................633
Contacting Extreme Networks Technical Support........................................................................634
Appendix C: CNA Agent................................................................................................................ 635
Overview ................................................................................................................................635
Redundancy—BlackDiamond 10K Switch and BlackDiamond 8800 Family of Switches Only ...636
Downloading the CNA Agent Software Module............................................................................636
Running the Tests ...................................................................................................................636