Install Guide

Table Of Contents
Data Center Bridging: Default Configuration............................................................................................................216
Configuring Priority-Based Flow Control...................................................................................................................216
Configuring Lossless Queues.................................................................................................................................. 217
Configuring PFC in a DCB Map....................................................................................................................................218
Applying a DCB Map on a Port.....................................................................................................................................219
Configuring PFC without a DCB Map.........................................................................................................................219
Priority-Based Flow Control Using Dynamic Buffer Method................................................................................ 221
Behavior of Tagged Packets........................................................................................................................................ 222
Configuration Example for DSCP and PFC Priorities.............................................................................................222
SNMP Support for PFC and Buffer Statistics Tracking........................................................................................223
Performing PFC Using DSCP Bits Instead of 802.1p Bits.....................................................................................224
PFC and ETS Configuration Examples.......................................................................................................................225
Using PFC to Manage Converged Ethernet Traffic...............................................................................................225
Operations on Untagged Packets...............................................................................................................................225
Generation of PFC for a Priority for Untagged Packets.......................................................................................226
Configure Enhanced Transmission Selection........................................................................................................... 226
ETS Prerequisites and Restrictions...................................................................................................................... 226
Creating an ETS Priority Group............................................................................................................................. 226
ETS Operation with DCBx.......................................................................................................................................227
Configuring Bandwidth Allocation for DCBx CIN.............................................................................................. 227
Configuring ETS in a DCB Map..............................................................................................................................228
Hierarchical Scheduling in ETS Output Policies...................................................................................................... 229
Using ETS to Manage Converged Ethernet Traffic............................................................................................... 230
Applying DCB Policies in a Switch Stack.................................................................................................................. 230
Configure a DCBx Operation........................................................................................................................................230
DCBx Operation.........................................................................................................................................................230
DCBx Port Roles........................................................................................................................................................ 231
DCB Configuration Exchange.................................................................................................................................232
Configuration Source Election............................................................................................................................... 232
Propagation of DCB Information........................................................................................................................... 233
Auto-Detection and Manual Configuration of the DCBx Version..................................................................233
DCBx Example............................................................................................................................................................233
DCBx Prerequisites and Restrictions................................................................................................................... 234
Configuring DCBx......................................................................................................................................................234
Verifying the DCB Configuration.................................................................................................................................237
QoS dot1p Traffic Classification and Queue Assignment.......................................................................................241
Configuring the Dynamic Buffer Method..................................................................................................................242
Sample DCB Configuration........................................................................................................................................... 243
Chapter 12: Dynamic Host Configuration Protocol (DHCP)........................................................ 245
DHCP Packet Format and Options.............................................................................................................................245
Assign an IP Address using DHCP.............................................................................................................................. 246
Implementation Information..........................................................................................................................................247
Configure the System to be a DHCP Server............................................................................................................248
Configuring the Server for Automatic Address Allocation..............................................................................248
Specifying a Default Gateway................................................................................................................................249
Configure a Method of Hostname Resolution....................................................................................................249
Using DNS for Address Resolution....................................................................................................................... 249
Using NetBIOS WINS for Address Resolution................................................................................................... 250
Creating Manual Binding Entries...........................................................................................................................250
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