Reference Guide

Table Of Contents
Reconfiguring Jumpstart and Normal Modes.................................................................................249
Jumpstart Mode................................................................................................................................ 251
DHCP Server/Configuration........................................................................................................251
MAC-Based IP Assignment......................................................................................................... 253
DHCP Retry Mechanism............................................................................................................. 253
File Server..........................................................................................................................................254
Domain Name Server....................................................................................................................... 254
Switch Boot and Set-up Behavior in Jumpstart Mode....................................................................255
12 Content Addressable Memory (CAM)......................................................... 257
CAM Allocation..................................................................................................................................257
Re-Allocating CAM for Ingress ACLs and QoS................................................................................258
Re-Allocating CAM for Egress ACLs.................................................................................................259
Testing CAM Usage for QoS Policies...............................................................................................260
Displaying CAM-ACL Settings..........................................................................................................260
Displaying CAM-ACL-Egress Settings.............................................................................................. 261
CAM Optimization.............................................................................................................................261
Troubleshoot CAM Profiling.......................................................................................................262
13 Control Plane Policing (CoPP)..................................................................... 263
Configure Control Plane Policing....................................................................................................264
Configuring CoPP for Protocols...................................................................................................... 265
Configuring CoPP for CPU Queues.................................................................................................267
Show Commands............................................................................................................................. 268
14 Data Center Bridging (DCB)......................................................................... 270
Ethernet Enhancements in Data Center Bridging........................................................................... 270
Priority-Based Flow Control........................................................................................................271
Enhanced Transmission Selection..............................................................................................272
Data Center Bridging Exchange Protocol (DCBx)......................................................................273
Data Center Bridging in a Traffic Flow....................................................................................... 274
Enabling Data Center Bridging.........................................................................................................274
QoS dot1p Traffic Classification and Queue Assignment............................................................... 275
DCB Maps and its Attributes.............................................................................................................276
DCB Map: Configuration Procedure.......................................................................................... 276
Important Points to Remember..................................................................................................276
Applying a DCB Map on a Port................................................................................................... 277
Configuring PFC without a DCB Map.........................................................................................277
Configuring Lossless Queues..................................................................................................... 278
Data Center Bridging: Default Configuration.................................................................................. 279
Configuring PFC and ETS in a DCB Map......................................................................................... 280
PFC Configuration Notes........................................................................................................... 280