Administrator Guide

Creating an ETS Priority Group................................................................................................................................ 222
ETS Operation with DCBx........................................................................................................................................223
Conguring Bandwidth Allocation for DCBx CIN...................................................................................................... 223
Applying DCB Policies in a Switch Stack........................................................................................................................ 224
Applying DCB Policies with an ETS Conguration.......................................................................................................... 224
Congure a DCBx Operation.......................................................................................................................................... 225
DCBx Operation....................................................................................................................................................... 225
DCBx Port Roles...................................................................................................................................................... 225
DCB Conguration Exchange................................................................................................................................... 227
Conguration Source Election.................................................................................................................................. 227
Propagation of DCB Information.............................................................................................................................. 228
Auto-Detection and Manual Conguration of the DCBx Version.............................................................................. 228
DCBx Example......................................................................................................................................................... 228
DCBx Prerequisites and Restrictions........................................................................................................................ 229
Conguring DCBx.................................................................................................................................................... 229
Verifying the DCB Conguration.................................................................................................................................... 233
PFC and ETS Conguration Examples............................................................................................................................ 241
Using PFC and ETS to Manage Data Center Trac.................................................................................................. 241
Using PFC and ETS to Manage Converged Ethernet Trac in a Switch Stack........................................................ 244
Hierarchical Scheduling in ETS Output Policies........................................................................................................ 245
Conguring DCB Maps and its Attributes.......................................................................................................................245
DCB Map: Conguration Procedure......................................................................................................................... 245
Important Points to Remember................................................................................................................................ 246
Applying a DCB Map on a Port.................................................................................................................................246
Conguring PFC without a DCB Map.......................................................................................................................247
Conguring Lossless Queues....................................................................................................................................247
Priority-Based Flow Control Using Dynamic Buer Method........................................................................................... 248
Pause and Resume of Trac....................................................................................................................................248
Buer Sizes for Lossless or PFC Packets.................................................................................................................249
Interworking of DCB Map With DCB Buer Threshold Settings.....................................................................................249
Conguring the Dynamic Buer Method........................................................................................................................250
13 Debugging and Diagnostics........................................................................................252
Oine Diagnostics......................................................................................................................................................... 252
Important Points to Remember................................................................................................................................ 252
Running Oine Diagnostics......................................................................................................................................252
Trace Logs..................................................................................................................................................................... 255
Auto Save on Crash or Rollover................................................................................................................................255
Using the Show Hardware Commands...........................................................................................................................255
Enabling Environmental Monitoring................................................................................................................................ 256
Recognize an Over-Temperature Condition.............................................................................................................. 258
Troubleshoot an Over-Temperature Condition.......................................................................................................... 258
Recognize an Under-Voltage Condition....................................................................................................................259
Troubleshoot an Under-Voltage Condition................................................................................................................259
Buer Tuning................................................................................................................................................................. 259
Deciding to Tune Buers...........................................................................................................................................261
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