Using PFC and ETS to Manage Converged Ethernet Traffic in a Switch Stack........................272
Applying DCB Policies in a Switch Stack..........................................................................................273
Configure a DCBx Operation............................................................................................................273
DCBx Operation..........................................................................................................................273
DCBx Port Roles..........................................................................................................................274
DCB Configuration Exchange....................................................................................................276
Configuration Source Election...................................................................................................276
Propagation of DCB Information...............................................................................................276
Auto-Detection and Manual Configuration of the DCBx Version.............................................277
DCBx Example.............................................................................................................................277
DCBx Prerequisites and Restrictions..........................................................................................278
Configuring DCBx.......................................................................................................................279
Verifying the DCB Configuration.....................................................................................................283
QoS dot1p Traffic Classification and Queue Assignment...............................................................293
Configuring the Dynamic Buffer Method........................................................................................294
13 Debugging and Diagnostics.........................................................................296
Offline Diagnostics...........................................................................................................................296
Important Points to Remember.................................................................................................296
Running Offline Diagnostics.......................................................................................................296
Trace Logs.........................................................................................................................................299
Auto Save on Crash or Rollover.................................................................................................299
Using the Show Hardware Commands...........................................................................................300
Enabling Environmental Monitoring.................................................................................................301
Recognize an Over-Temperature Condition.............................................................................303
Troubleshoot an Over-Temperature Condition........................................................................303
Recognize an Under-Voltage Condition...................................................................................304
Troubleshoot an Under-Voltage Condition..............................................................................304
Troubleshooting Packet Loss...........................................................................................................305
Displaying Drop Counters..........................................................................................................305
Dataplane Statistics.....................................................................................................................306
Display Stack Port Statistics........................................................................................................307
Displaying Stack Member Counters...........................................................................................307
Enabling Application Core Dumps...................................................................................................308
Mini Core Dumps..............................................................................................................................308
Enabling TCP Dumps........................................................................................................................309
Enabling Buffer Statistics Tracking ..................................................................................................310
14 Dynamic Host Configuration Protocol (DHCP)........................................ 311
DHCP Packet Format and Options...................................................................................................311
Assign an IP Address using DHCP...............................................................................................313
Implementation Information............................................................................................................314
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