Users Guide

48 Contents
DiffServ Policy Creation. . . . . . . . . . . . . . 1517
Simple DiffServ Policy Attributes
Configuration . . . . . . . . . . . . . . . . . . . 1518
DiffServ Service Configuration
. . . . . . . . . . 1521
DiffServ Configuration Examples
. . . . . . . . . . . 1522
Providing Subnets Equal Access to
External Network
. . . . . . . . . . . . . . . . . 1522
DiffServ for VoIP
. . . . . . . . . . . . . . . . . 1525
44 Class-of-Service . . . . . . . . . . . . . . . . . 1529
CoS Overview . . . . . . . . . . . . . . . . . . . . . 1529
What Are Trusted and Untrusted Port
Modes?
. . . . . . . . . . . . . . . . . . . . . . 1530
How Is Traffic Shaping Used on Egress
Traffic? . . . . . . . . . . . . . . . . . . . . . . 1530
How Are Traffic Queues Defined?
. . . . . . . . 1531
Which Queue Management Methods
Are Supported?
. . . . . . . . . . . . . . . . . . 1531
CoS Queue Usage. . . . . . . . . . . . . . . . . 1533
Default CoS Values. . . . . . . . . . . . . . . . . . . 1533
Configuring CoS (Web)
. . . . . . . . . . . . . . . . . 1535
Mapping Table Configuration
. . . . . . . . . . . 1535
Interface Configuration
. . . . . . . . . . . . . . 1538
Interface Queue Configuration
. . . . . . . . . . 1539
Interface Queue Drop Precedence
Configuration
. . . . . . . . . . . . . . . . . . . 1540
Configuring CoS (CLI)
. . . . . . . . . . . . . . . . . 1542
Mapping Table Configuration
. . . . . . . . . . . 1542
CoS Interface Configuration Commands
. . . . . 1543
Interface Queue Configuration
. . . . . . . . . . 1543