Table of Contents
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Configuring the Dynamic Buffer Method......................................................................... 338
12 Debugging and Diagnostics.............................................................................................340
Offline Diagnostics................................................................................................................ 340
Running Port Extender Offline Diagnostics on the Switch......................................341
Running Offline Diagnostics on a Standalone Switch..............................................348
TRACE Logs..............................................................................................................................371
Auto Save on Reload, Crash, or Rollover..................................................................... 371
Uploading Trace Logs...................................................................................................... 371
Last Restart Reason................................................................................................................372
show hardware Commands.................................................................................................372
Environmental Monitoring....................................................................................................375
Displaying Port Extender Environment Information ................................................ 375
Display Power Supply Status.......................................................................................... 376
Display Fan Status............................................................................................................. 377
Display Transceiver Type.................................................................................................377
Recognize an Over-Temperature Condition............................................................. 379
Troubleshoot an Over-Temperature Condition....................................................... 380
Troubleshooting Packet Loss.............................................................................................. 382
Displaying Drop Counters.............................................................................................. 383
Displaying Dataplane Statistics......................................................................................384
Displaying Line-Card Counters.....................................................................................386
Accessing Application Core Dumps...................................................................................387
Mini Core Dumps................................................................................................................... 388
Full Kernel Core Dumps....................................................................................................... 388
Enabling TCP Dumps............................................................................................................ 389
Accessing Port Extender Core and Mini Core Dumps...................................................390
13 Dynamic Host Configuration Protocol (DHCP)............................................................ 391
DHCP Packet Format and Options..................................................................................... 391
Assign an IP Address using DHCP...................................................................................... 393
Implementation Information............................................................................................... 394
Configure the System to be a DHCP Server.....................................................................395
Configuring the Server for Automatic Address Allocation...................................... 396
Specifying a Default Gateway........................................................................................ 397
Configure a Method of Hostname Resolution...........................................................397
Using DNS for Address Resolution............................................................................... 398
Using NetBIOS WINS for Address Resolution............................................................ 398
Creating Manual Binding Entries...................................................................................398
Debugging the DHCP Server......................................................................................... 399
Using DHCP Clear Commands..................................................................................... 399
Configure the System to be a Relay Agent.......................................................................399
Version 9.10(0.0)
11
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Table of Contents
Troubleshooting
