Reference Guide

Jumpstart Mode................................................................................................................................250
DHCP Server/Configuration.......................................................................................................250
MAC-Based IP Assignment......................................................................................................... 252
DHCP Retry Mechanism............................................................................................................. 252
File Server.......................................................................................................................................... 253
Domain Name Server........................................................................................................................253
Switch Boot and Set-up Behavior in Jumpstart Mode....................................................................254
12 Content Addressable Memory (CAM)......................................................... 256
CAM Allocation................................................................................................................................. 256
Re-Allocating CAM for Ingress ACLs and QoS................................................................................256
Re-Allocating CAM for Egress ACLs.................................................................................................257
Testing CAM Usage for QoS Policies...............................................................................................258
Displaying CAM-ACL Settings.......................................................................................................... 258
Displaying CAM-ACL-Egress Settings..............................................................................................259
CAM Optimization............................................................................................................................ 260
Troubleshoot CAM Profiling.......................................................................................................260
13 Control Plane Policing (CoPP)..................................................................... 262
Configure Control Plane Policing.................................................................................................... 263
Configuring CoPP for Protocols...................................................................................................... 264
Configuring CoPP for CPU Queues.................................................................................................266
Show Commands............................................................................................................................. 267
14 Data Center Bridging (DCB)......................................................................... 269
Ethernet Enhancements in Data Center Bridging........................................................................... 269
Priority-Based Flow Control.......................................................................................................270
Enhanced Transmission Selection.............................................................................................. 271
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..........................................................................................279
PFC Configuration Notes............................................................................................................279
PFC Prerequisites and Restrictions.............................................................................................281