Users Guide

show fc switch Command Example .....................................................................................................................322
29 Upgrade Procedures................................................................................................................................323
Get Help with Upgrades............................................................................................................................................... 323
30 Debugging and Diagnostics......................................................................................................................324
Supported Modes..........................................................................................................................................................324
Debugging Aggregator Operation............................................................................................................................... 324
All interfaces on the Aggregator are operationally down................................................................................... 324
Broadcast, unknown multicast, and DLF packets switched at a very low rate...............................................325
Flooded packets on all VLANs are received on a server.................................................................................... 326
Software show Commands..........................................................................................................................................326
Offline Diagnostics.........................................................................................................................................................328
Important Points to Remember............................................................................................................................. 328
Running Offline Diagnostics................................................................................................................................... 328
Trace Logs......................................................................................................................................................................329
Auto Save on Crash or Rollover.............................................................................................................................329
Using the Show Hardware Commands.......................................................................................................................329
Environmental Monitoring............................................................................................................................................. 331
Recognize an Over-Temperature Condition........................................................................................................ 332
Troubleshoot an Over-Temperature Condition................................................................................................... 332
Recognize an Under-Voltage Condition............................................................................................................... 333
Troubleshoot an Under-Voltage Condition...........................................................................................................333
Buffer Tuning................................................................................................................................................................. 334
Deciding to Tune Buffers........................................................................................................................................335
Sample Buffer Profile Configuration..................................................................................................................... 338
Troubleshooting Packet Loss.......................................................................................................................................338
Displaying Drop Counters....................................................................................................................................... 339
Dataplane Statistics.................................................................................................................................................340
Displaying Stack Port Statistics..............................................................................................................................341
Enabling Buffer Statistics Tracking ............................................................................................................................342
Restoring the Factory Default Settings......................................................................................................................344
Important Points to Remember............................................................................................................................. 344
31 Standards Compliance............................................................................................................................. 345
IEEE Compliance............................................................................................................................................................345
RFC and I-D Compliance.............................................................................................................................................. 345
General Internet Protocols..................................................................................................................................... 346
General IPv4 Protocols........................................................................................................................................... 346
Network Management............................................................................................................................................ 347
MIB Location..................................................................................................................................................................349
Contents
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