Section II: Advanced Operations 139

Chapter 13

Quality of Service
This chapter describes Quality of Service (QoS). Sections in the chapter
include:
“Supported Platforms” on page 140
“Overview” on page 141
“Classifiers” on page 143
“Flow Groups” on page 144
“Traffic Classes” on page145
“Policies” on page 146
“QoS Policy Guidelines” on page 147
“Packet Processing” on page 148
“Bandwidth Allocation” on page 148
“Packet Prioritization” on page 148
“Replacing Priorities” on page 150
“VLAN Tag User Priorities” on page150
“DSCP Values” on page150
“DiffServ Domains” on page 151
“Examples” on page 153