Reference Guide

Syslog Warning for Discrepancies Between Configured Extended Prefixes............................234
Unified Forwarding Table (UFT) Modes........................................................................................... 234
Configuring UFT Modes..............................................................................................................235
11 Control Plane Policing (CoPP)..................................................................... 236
Configure Control Plane Policing.................................................................................................... 237
Configuring CoPP for Protocols................................................................................................ 238
Configuring CoPP for CPU Queues...........................................................................................240
Displaying CoPP Configuration ................................................................................................. 241
12 Data Center Bridging (DCB)......................................................................... 243
Ethernet Enhancements in Data Center Bridging........................................................................... 243
Priority-Based Flow Control.......................................................................................................244
Enhanced Transmission Selection............................................................................................. 245
Data Center Bridging Exchange Protocol (DCBx)..................................................................... 246
Data Center Bridging in a Traffic Flow....................................................................................... 247
Enabling Data Center Bridging.........................................................................................................247
DCB Maps and its Attributes.......................................................................................................248
Data Center Bridging: Default Configuration..................................................................................249
Configuring Priority-Based Flow Control........................................................................................249
Configuring PFC in a DCB Map........................................................................................................250
PFC Configuration Notes........................................................................................................... 250
PFC Prerequisites and Restrictions............................................................................................. 251
Applying a DCB Map on a Port.........................................................................................................252
Configuring PFC without a DCB Map.............................................................................................. 252
Priority-Based Flow Control Using Dynamic Buffer Method..........................................................253
Pause and Resume of Traffic......................................................................................................253
Buffer Sizes for Lossless or PFC Packets....................................................................................253
Behavior of Tagged Packets.............................................................................................................254
Configuration Example for DSCP and PFC Priorities.......................................................................255
SNMP Support for PFC and Buffer Statistics Tracking.....................................................................255
Performing PFC Using DSCP Bits Instead of 802.1p Bits................................................................ 256
PFC and ETS Configuration Examples............................................................................................. 257
Using PFC to Manage Converged Ethernet Traffic..........................................................................257
Operations on Untagged Packets.................................................................................................... 257
Generation of PFC for a Priority for Untagged Packets.................................................................. 258
Configure Enhanced Transmission Selection..................................................................................258
Creating an ETS Priority Group.................................................................................................. 258
ETS Operation with DCBx...........................................................................................................259
Configuring ETS in a DCB Map.................................................................................................. 260
Hierarchical Scheduling in ETS Output Policies.............................................................................. 261
Using ETS to Manage Converged Ethernet Traffic..........................................................................262
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