Configuring
Priority-Based Flow Control
....................................................................................................................
236
Configuring
Lossless Queues
..................................................................................................................................
237
Configuring
PFC in a DCB Map
...................................................................................................................................
238
PFC
Configuration
Notes
........................................................................................................................................
238
PFC Prerequisites and Restrictions
.......................................................................................................................
239
Applying a DCB Map on a Port
....................................................................................................................................
239
Configuring
PFC without a DCB Map
.........................................................................................................................
240
Configuring
Lossless QueuesExample:
..................................................................................................................
240
Priority-Based Flow Control Using Dynamic
Buffer
Method
....................................................................................
241
Pause and Resume of
Traffic
...................................................................................................................................
241
Buffer
Sizes for Lossless or PFC Packets
.............................................................................................................
242
Behavior of Tagged Packets
.........................................................................................................................................
242
Configuration
Example for DSCP and PFC Priorities
................................................................................................
243
Using PFC to Manage Converged Ethernet
Traffic
...................................................................................................
243
Configure
Enhanced Transmission Selection
..............................................................................................................
244
ETS Prerequisites and Restrictions
........................................................................................................................
244
Creating an ETS Priority Group
..............................................................................................................................
244
ETS Operation with DCBx
......................................................................................................................................
245
Configuring
Bandwidth Allocation for DCBx CIN
.................................................................................................
246
Configuring
ETS in a DCB Map
..............................................................................................................................
246
Hierarchical Scheduling in ETS Output Policies
.........................................................................................................
248
Using ETS to Manage Converged Ethernet
Traffic
...................................................................................................
248
Applying DCB Policies in a Switch Stack
....................................................................................................................
248
Configure
a DCBx Operation
........................................................................................................................................
248
DCBx Operation
.......................................................................................................................................................
249
DCBx Port Roles
......................................................................................................................................................
249
DCB
Configuration
Exchange
................................................................................................................................
250
Configuration
Source Election
................................................................................................................................
251
Propagation of DCB Information
............................................................................................................................
251
Auto-Detection and Manual
Configuration
of the DCBx Version
.......................................................................
251
DCBx Example
..........................................................................................................................................................
252
DCBx Prerequisites and Restrictions
.....................................................................................................................
252
Configuring
DCBx
....................................................................................................................................................
253
Verifying the DCB
Configuration
.................................................................................................................................
256
Sample DCB
Configuration
...........................................................................................................................................
264
PFC and ETS
Configuration
Command Examples
...............................................................................................
266
QoS dot1p
Traffic
Classification
and Queue Assignment
..........................................................................................
266
Configuring
the Dynamic
Buffer
Method
....................................................................................................................
267
13 Dynamic Host
Configuration
Protocol (DHCP)
.........................................................................................
269
DHCP Packet Format and Options
.............................................................................................................................
269
Assign an IP Address using DHCP
................................................................................................................................
271
Implementation Information
..........................................................................................................................................
272
Configure
the System to be a DHCP Server
..............................................................................................................
272
Configuring
the Server for Automatic Address Allocation
..................................................................................
273
Specifying a Default Gateway
.................................................................................................................................
274
Configure
a Method of Hostname Resolution
......................................................................................................
274
Contents
9