Cisco 10000 Series User Manual

1-9
Cisco 10000 Series Router Quality of Service Configuration Guide
OL-7433-09
Chapter 1 Quality of Service Overview
QoS Models
Model F supports multiple IP and/or PPP sessions per subscriber line with shaping occurring at the
subscriber line level, by using the line ID information present in DHCP option 82 and the PPP tag.
Shaping sessions with a common line ID effects traffic shaping for a particular subscriber line. See
Example 1-3 for more configuration information.
Model F configuration requires three levels of shaping/queuing hierarchy on the BRAS or NPE –at the
Subinterface, Session and Class levels.
Configuration Steps for QoS Model F
To configure QoS Model F follow the steps given below:
Step 1 Discover the GE interface.
Step 2 Create subinterface1 on the GE interface.
Step 3 Apply isp_A shape policy to subinterface1.
Step 4 Create sessions on subinterface 1.
Step 5 Apply session-parent policy-map to session S1 belonging to subinterface1
Configuration Examples
An example of Model D.2 subinterface configuration is described in Example 1-1.
Example 1-1 Configuring Model D.2 Subinterface Configuration
Policy business-A-child
class voip
priority level 1
police <rate> <nb>
set cos <cos>
class video
priority level 2
police <rate> <nb>
set cos <cos>
class gaming
bandwidth remaining ratio <i> [account qinq aalx xxx]
set cos <cos>
class class-default
bandwidth remaining ratio <j> [account qinq aalx xxx]
set cos <cos>
Policy company-A-parent
class class-default
bandwidth remaining ratio <number> [account qinq aalx xxx]
shape average <cir> <nb> [account qinq aalx xxx]
service policy business-A-child
…
interface GigabitEthernet1/0/0.n
description Company A
encapsulation dot1q 1 second-dot1q n
service-policy output company-A-parent
interface GigabitEthernet1/0/0.m
description Company B
encapsulation dot1q 1 second-dot1q m
service-policy output company-B-parent

Cisco 10000 Series Specifications

General

Brand	Cisco
Model	10000 Series
Category	Network Router
Language	English