Allied Telesis AlliedWare Plus Operating System Version 5.4.4C (x310-26FT,x310-26FP,x310-50FT,x310-50FP) - Manual (Page 973)

Software Reference for x310 Series Switches
C613-50046-01 REV A AlliedWare Plus TM Operating System - Version 5.4.4C 38.1
Chapter 38: Quality of Service (QoS)
Introduction
Introduction ........................................................................................................................................ 38.2
QoS Operations .......................................................................................................................... 38.2
QoS Packet Information.................................................................................................................. 38.3
Link Layer QoS............................................................................................................................. 38.3
Differentiated Services Architecture................................................................................... 38.4
The Differential Services Field ............................................................................................... 38.5
Processing pre-marked packets ........................................................................................... 38.6
Applying QoS on Your Switch ...................................................................................................... 38.7
Classifying your Data ....................................................................................................................... 38.8
Class Maps .................................................................................................................................... 38.8
Policy Maps ................................................................................................................................38.11
Premarking and Remarking Your Traffic.................................................................................38.12
CoS to egress queue premarking.......................................................................................38.12
DSCP to egress queue premarking....................................................................................38.14
Rate Limiting Traffic .......................................................................................................................38.16
Policing (Metering) Your Data ....................................................................................................38.17
Single-rate Three-color Policing .........................................................................................38.17
Two-rate Three-color Policing.............................................................................................38.18
Configuring and Applying a Policer..................................................................................38.19
Remarking Your Data.....................................................................................................................38.20
Configuring the Egress Queues .................................................................................................38.21
Egress Queues and QoS markers........................................................................................38.21
Egress Queue Commands Hierarchy ................................................................................38.21
Egress Queue Shaping ..................................................................................................................38.23
Scheduling..................................................................................................................................38.23
Drop Mode .................................................................................................................................38.24
Storm Protection .............................................................................................................................38.26
Policy-Based Routing .....................................................................................................................38.27
Practical Example.....................................................................................................................38.27