Chapter 1 Introduction Introduction
Chapter 2 Overview
List five benefits for implementing QoS in
enterprise networks
Describe how a converged network behaves
without QoS
Correctly describe the QoS framework
Describe correctly what Call Admission Control
does
Describe the difference between Integrated
Services and Differentiated Services
Why Qos: 7
Convergence Challenges: 12
What is Qos: 5
QoS Service Types: 5
Cisco QoS Tools: 13
QoS Introduction
Describe the need for IP QoS
Describe the Integrated Services model
Describe the Differentiated Services model
Describe the building blocks of IP QoS mechanisms
(classification, marking, metering, policing, shaping,
dropping, forwarding, queuing)
List the IP QoS mechanisms available in the Cisco
IOS
Describe what QoS features are supported by
different IP QoS mechanisms
Need for QoS: 14
IntServ Model: 11
DiffServ Model: 19
QoS Building Blocks: 12
Enterprise Case Study: 6
SP Case Study: 5
Chapter 3
Classification and
Marking
Explain the reason for classification and marking
Explain the difference between classification and
marking
Explain class of service (CoS), IP Precedence,
and DiffServ code points
Configure QoS policy using Modular QoS CLI
Explain the role of network-based application
recognition (NBAR)
Classify and mark traffic
Classification: 1
Packet Marking: 8 (DiffServ
PHB)
MQC Classification (DSCP
map example)
Class-Based marking example
MQC l2-l3 map example
NBAR (inc. Protocol
Discovery):8
Classification w/ Route Map:2
Classification w/ Dial Peer:2
Precedence marking w/ CAR:1
Classification and
Marking
Mechanisms
Describe Policy-based routing and how it can be
used to classify and mark IP packets
Describe QoS Policy Propagation through BGP and
how it can be used to classify and mark IP packets
List other mechanisms that also support
classification and marking capabilities (Committed
Access Rate, Class-based Marking).
Policy Based Routing -
configuring and case
study: 17
QPPB (inc/ CEF review):
20
CAR, Class-based
marking: 4
Chapter 4
Congestion
Management
Identify and differentiate between the different IOS
queuing techniques
Correctly apply each queuing technique to the
appropriate application
Describe the difference between IP RTP Priority
and low latency queuing (LLQ)
Configure WFQ, CBWFQ, and LLQ
Queuing Overview:
FIFO: 1
PQ: 1
CQ:1
WRR: 1
WFQ: 4
CBWFQ: 11
IP RTP Priority: 8
LLQ: 9
Queueing
Mechanisms
Describe and configure FIFO Queuing (FQ).
Describe and configure Priority Queuing (PQ).
Describe and configure Custom Queuing (CQ).
Describe and configure basic Weighted Fair
Queuing (WFQ), distributed WFQ, ToS-based
distributed WFQ and QoS-group-based distributed
WFQ.
Describe and configure Modified Weighted Round
Robin (MDRR) queuing.
Describe and configure IP RTP Prioritization.
Explain,Cfg, Monitor and
Troubleshoot All:
FIFO:6
Priority Q:14
Custom Q:18
WFQ:29
dWFQ:31
MDRR:15
IP RTP:8
Chapter 5
Congestion
Avoidance
Explain how TCP responds to congestion
Understand tail drop and global synchronization
Identify and differentiate between the following
IOS congestion avoidance tools: RED, WRED,
and flow-based WRED
Configure IOS congestion avoidance features
TCP Behavior: 6
Avoidance Techniques:
RED: 3
Configuring:
WRED: 9
FRED: 2 (no explanation of
FRED)
Traffic Shaping and
Policing
Describe and configure Generic Traffic Shaping
(GTS).
Describe and configure Frame Relay Traffic Shaping
(FRTS).
Describe and configure Committed Access Rate
(CAR).
Name other mechanisms that support traffic shaping
and policing (Class-based Policing and Class-based
Shaping).
Shaping and Policing: 9
GTS: 25
FRTS: 20
CAR: 32
DQoS QoS
Chapter 6 Link Efficiency
Understand the need for link efficiency tools
Understand available LFI techniques, including
MLP interleaving and Frame Relay fragmentation
using FRF.11 Annex C or FRF.12
Understand Compressed Real-Time Protocol
(CRTP) header as a tool for improving link
efficiency
Configure and monitor various LFI methods and
CRTP
LFI: 3
MLP Interleaving: 9
FR Fragmentation:
FRF.11/.12: 15
cRTP: 12
Congestion
Avoidance
Describe Random Early Detection (RED).
Describe and configure Weighted Random Early
Detection (WRED).
Describe and configure Flow-based WRED.
RED / TCP Behavior: 11
WRED: 22
FRED: 11
Chapter 7
Policing and
Shaping
Describe the difference between policing and
shaping and how each one relates to QoS
Describe various mechanisms for policing, when
to apply each, and how to configure them
Identify the various types of traffic shaping, their
differences, and how to apply each
Configure the different types of traffic shaping
Shaping and Policing: 3
Token Bucket: 3
CAR Policing: 19
CB Policing: 7
Shaping: 5
CB Shaping: 6
GTS: 14
DTS: 3
FRTS: 27
Link Efficiency
Mechanisms
Describe and configure Stacker payload
compression
Describe and configure Predictor payload
compression
Describe and configure TCP header compression
Describe and configure RTP header compression
Describe and configure Link Fragmentation and
Interleaving
Describe and configure Frame Relay Fragmentation
Payload Compression: 20
Predictor
Stacker
MPPC
Header Compression: 19
TCP
RTP
LFI: 21
MLP
FRF.11 / .12
Chapter 8
Call Admission
Control
Correctly list five local CAC methods and their
primary functions
Correctly list two measurement-based CAC
methods and their primary functions
Correctly describe IntServ/RSVP and its main
function
Given an enterprise network scenario, correctly
determine which method(s) of achieving call
admission control best meets the customer
requirements
CAC: 5
Local CAC: 16
Meas. Based CAC: 11
Resource Basec CAC: 10
RSVP: 12
CAC Features: 5
QoS Signalling
Describe Resource Reservation Protocol (RSVP).
Configure RSVP.
Describe and configure RSVP on shared media
using Subnet Bandwidth Management (SBM).
Monitor and troubleshoot RSVP.
RSVP:20
SBM:8
Chapter 9 Management Tools
Utilize QoS Device Manager to monitor
performance, establish baselines and configure
QoS policies
Utilize QoS Policy Manager to configure advanced
QoS policies, scale policy deployment,
upload/verify/rollback policies, and deploy QoS
policies by external time-based/event-based
scripts
Configure Cisco Service Assurance Agent to
measure key SLA metrics and monitor network
performance between local and remote devices
Monitor and troubleshoot network performance
with IPM and SMS
Overfview: 6
QDM: 8
QPM: 17
SAA: 9
IPM: 4
SMS: 11
Modular QoS CLI
Classification
Describe the classification part of the Modular QoS
CLI
Describe and configure all currently supported
classification options within the MQC
Understand Network-based Application Recognition
(NBAR)
Monitor and troubleshoot class maps
Chapter 10 QoS Design
Design a converged multiservice network to
provide proper QoS for voice, video, and data
traffic
Design 1(Policy): 5
Design 2(characterize):4
Design 3(implement):6
Design 4(monitor):3
Voice Design: 13
Video Design: 8
VVD: 4
Campus QoS: 8
SNA & QoS:5
Tunnels: 3
Modular QoS CLI
Service Policy
Describe the policy part of the Modular QoS CLI
Configure packet marking with modular CLI
Configure policing and shaping with modular CLI
Configure class-based WFQ with modular CLI
Configure congestion avoidance mechanisms
(WRED) with modular CLI
Configure low-latency queuing
Monitor and troubleshoot policy maps.
Chapter 11 Wrap-Up IP over ATM QoS
List the requirements of IP QoS in combination with
ATM QoS
Describe the hardware and software requirements
for advanced IP QoS mechanisms on ATM
interfaces
Describe per-VC queuing
Describe and configure per-VC WRED
Describe and configure VC bundling
Describe and configure per-VC CB-WFQ
Describe RSVP to SVC mapping
Monitor and troubleshoot IP QoS on ATM interfaces
Chapter 12 IP over MPLS QoS
Explain the need for integration of QoS into MPLS
Describe the QoS mechanisms available in Frame-
mode MPLS
Describe the QoS mechanisms in Cell-mode MPLS
Configure and troubleshoot QoS in Frame-mode
MPLS
Basic MPLS: 14
Frame-mode MPLS QoS:
12
Cell-mode MPLS: 8
. and Class-based
Shaping).
Shaping and Policing: 9
GTS: 25
FRTS: 20
CAR: 32
DQoS QoS
Chapter 6 Link Efficiency
Understand the need for link efficiency tools