USER GUIDE Brocade Fabric OS Troubleshooting and Diagnostics User Guide, 8.2.1 Supporting Fabric OS 8.2.1 FOS-821-TD-UG101 28 September 2018 Copyright © 2018 Brocade Communications Systems LLC. All Rights Reserved. Brocade and the stylized B logo are among the trademarks of Brocade Communications Systems LLC. Broadcom, the pulse logo, and Connecting everything are among the trademarks of Broadcom. The term "Broadcom" refers to Broadcom Inc. and/or its subsidiaries. Brocade, a Broadcom Inc. Company, reserves the right to make changes without further notice to any products or data herein to improve reliability, function, or design. Information furnished by Brocade is believed to be accurate and reliable. However, Brocade does not assume any liability arising out of the application or use of this information, nor the application or use of any product or circuit described herein, neither does it convey any license under its patent rights nor the rights of others. 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Brocade Fabric OS Troubleshooting and Diagnostics User Guide, 8.2.1 2 FOS-821-TD-UG101 Contents Introduction.......................................................................................................................................................................................................................... 7 About This Guide....................................................................................................................................................................................................................................... 7 What's new in this document for Fabric OS 8.2.1.......................................................................................................................................................................7 Supported Hardware and Software.................................................................................................................................................................................................... 7 Brocade Gen 5 (16Gb/s) Fixed-Port Switches....................................................................................................................................................................7 Brocade Gen 5 (16Gb/s) Directors...........................................................................................................................................................................................8 Brocade Gen 6 (32Gb/s) Fixed-Port Switches....................................................................................................................................................................8 Brocade Gen 6 (32Gb/s) Directors...........................................................................................................................................................................................8 Contacting Brocade Technical Support............................................................................................................................................................................................ 8 Document Feedback................................................................................................................................................................................................................................9 Overview.............................................................................................................................................................................................................................10 Network Time Protocol.........................................................................................................................................................................................................................10 Most Common Problem Areas.........................................................................................................................................................................................................10 Questions for common symptoms.................................................................................................................................................................................................11 Gathering Information for Your Switch Support Provider.......................................................................................................................................................13 Setting up your switch for FTP................................................................................................................................................................................................ 14 Using The supportsave Command...................................................................................................................................................................................14 Capturing Output From a Console.........................................................................................................................................................................................15 Capturing Command Output....................................................................................................................................................................................................16 Building a Case for Your Switch Support Provider................................................................................................................................................................... 16 Gathering Basic Information..................................................................................................................................................................................................... 16 Gathering Detailed Problem Information.............................................................................................................................................................................17 Gathering Additional Information............................................................................................................................................................................................ 18 General Troubleshooting.................................................................................................................................................................................................19 License Issues..........................................................................................................................................................................................................................................19 Time Issues................................................................................................................................................................................................................................................19 Frame Dropping...................................................................................................................................................................................................................................... 20 Switch message logs.............................................................................................................................................................................................................................20 Switch Boot .............................................................................................................................................................................................................................................. 21 Rolling Reboot Detection............................................................................................................................................................................................................21 FC-FC routing connectivity................................................................................................................................................................................................................ 23 Generating and routing an ECHO...........................................................................................................................................................................................23 Superping..........................................................................................................................................................................................................................................25 Routing and statistical information......................................................................................................................................................................................... 28 Performance issues...................................................................................................................................................................................................................... 29 Connectivity.......................................................................................................................................................................................................................30