Dell S6000–ON

Priority-Based Flow Control.......................................................................................................238
Enhanced Transmission Selection............................................................................................. 240
Data Center Bridging Exchange Protocol (DCBx)......................................................................241
Data Center Bridging in a Traffic Flow....................................................................................... 241
Enabling Data Center Bridging.........................................................................................................242
DCB Maps and its Attributes.......................................................................................................242
Data Center Bridging: Default Configuration..................................................................................243
Configuring Priority-Based Flow Control........................................................................................244
Configuring Lossless Queues.....................................................................................................245
Configuring PFC in a DCB Map........................................................................................................246
PFC Configuration Notes........................................................................................................... 246
PFC Prerequisites and Restrictions.............................................................................................247
Applying a DCB Map on a Port.........................................................................................................248
Configuring PFC without a DCB Map..............................................................................................248
Configuring Lossless QueuesExample:......................................................................................249
Priority-Based Flow Control Using Dynamic Buffer Method..........................................................250
Pause and Resume of Traffic...................................................................................................... 251
Buffer Sizes for Lossless or PFC Packets.................................................................................... 251
Behavior of Tagged Packets.............................................................................................................252
Configuration Example for DSCP and PFC Priorities...................................................................... 252
SNMP Support for PFC and Buffer Statistics Tracking.....................................................................253
Performing PFC Using DSCP Bits Instead of 802.1p Bits................................................................ 254
PFC and ETS Configuration Examples............................................................................................. 255
Using PFC to Manage Converged Ethernet Traffic......................................................................... 255
Operations on Untagged Packets.................................................................................................... 255
Generation of PFC for a Priority for Untagged Packets.................................................................. 255
Configure Enhanced Transmission Selection..................................................................................256
ETS Prerequisites and Restrictions............................................................................................. 256
Creating an ETS Priority Group.................................................................................................. 256
ETS Operation with DCBx...........................................................................................................257
Configuring Bandwidth Allocation for DCBx CIN..................................................................... 258
Configuring ETS in a DCB Map...................................................................................................259
Hierarchical Scheduling in ETS Output Policies..............................................................................260
Using ETS to Manage Converged Ethernet Traffic.......................................................................... 261
Applying DCB Policies in a Switch Stack..........................................................................................261
Configure a DCBx Operation............................................................................................................261
DCBx Operation..........................................................................................................................262
DCBx Port Roles..........................................................................................................................262
DCB Configuration Exchange.................................................................................................... 264
Configuration Source Election...................................................................................................264
Propagation of DCB Information............................................................................................... 265
Auto-Detection and Manual Configuration of the DCBx Version............................................ 265
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