Using QoS Policy Manager 2.1
Index

Table of Contents

index
Numerics
A
B
C
D
E
F
G
H
I
J
L
M
N
O
P
Q
R
S
T
U
V
W

index


Numerics

1P2Q2T (1 Priority Queue, and 2 Queues 2 Thresholds) for managing voice traffic on switches   1-64

2Q2T (2 Queues, 2 Thresholds) for managing congestion on switch ports   1-62

A

accessing

Cisco.com   xxi

TAC

by telephone   xxii

website   xxi

adding

device group members   6-36

device interfaces   3-28, 6-27

devices

to the IP telephony database   3-89

to the QoS database   6-2

users to QPM user or guest groups   4-2

advanced traffic prioritization using CQ   1-54

application service aliases, working with   7-19

applications that benefit from QoS   1-34

audience for this document   xvii

audit trail of user logon   8-12

B

backing up and recovering QoS databases   5-9

backward compatibility in QoS databases   5-3

bandwidth, controlling   1-42

with GTS   1-43

browser requirements for QPM   2-2

C

CAR (committed access rate)

supported by IOS software devices

release 11.x   1-15

release 12.x   1-26

Catalyst 5000 family switches, coloring techniques   1-40

Catalyst 6000 family switches, coloring techniques   1-41

CBWFQ (Class-Based Weighted Fair Queuing)   1-57

changing

application service aliases   7-20

device group properties   6-37

device interfaces   6-30

device properties   6-6

host groups   7-17

policies   7-13

Cisco.com

accessing   xxi

features and services   xxi

Class-Based Weighted Fair Queuing (see CBWFQ)   1-57

CLI commands (see menu, tool, and command reference)   A-10

coloring techniques (see traffic coloring techniques)   1-39

committed access rate (CAR)

supported by IOS software devices

release 11.x   1-15

release 12.x   1-26

Compressed Real-Time Protocol (see CRTP)   1-73

connecting to a device via Telnet   6-26

CQ (Custom Queuing) for advanced traffic prioritization   1-54

creating

application service aliases   7-19

host groups   7-16

policy distribution reports   8-20

policy reports   7-22

QoS database   5-5

CRTP (Compressed Real-Time Protocol)   1-73

Custom Queuing (see CQ)   1-54

D

databases (see QoS databases)   5-1

deleting

application service aliases   7-21

device groups   6-40

device interfaces   6-31

devices from the QoS database   6-25

policies   7-14

QoS database   5-8

users   4-2

device groups (see IP telephony template reference)   9-12

devices, managing   6-1

adding   6-2

configurations

verifying   8-9

viewing   6-25

connecting a device via Telnet   6-26

device groups

adding or removing device group members   6-36

creating   6-33

deleting   6-40

how device software upgrades affect device groups   6-40

modifying device group properties   6-37

understanding which interfaces can be combined in a group   6-32

importing devices from a device inventory   6-21

interfaces and VLANS

device interfaces, adding   6-27

device interfaces, viewing or changing   6-30

removing device interfaces   6-31

working with   6-26

properties, viewing or changing   6-6

removing a device   6-25

uploading device QoS configurations   6-8

devices and QoS techniques supported by QPM

Catalyst devices (table)

2Q2T   1-30

classification   1-30

traffic policing   1-30

IOS software release 11.x devices (table)

CAR (committed access rate) coloring   1-15

CAR (committed access rate) limiting   1-15

coloring (classification)   1-15

CQ (custom queuing)   1-14

CRTP (compressed real-time protocol)   1-16

DWFQ (distributed weighted fair queuing   1-14

FQ (fair queuing)   1-14

FRTS (frame-relay traffic shaping)   1-15

GTS (generic traffic shaping)   1-15

LFI (link fragmentation and interleaving)   1-16

PBR (policy based routing)   1-15

PQ (priority queuing)   1-14

QoS group DWFQ   1-14

RSVP (resource reservation protocol)   1-15

WFQ (weighted fair queuing)   1-14

WRED (weighted random early detection)   1-14

IOS software release 12.x devices (table)   1-26

CAR (committed access rate) limiting   1-27

CBWFQ (class-based weighted fair queuing) using MQC with LLQ   1-21

CBWFQ (class-based weighted fair queuing) using MQC with LLQ, set/match, and RTP   1-22

CBWFQ (class-based weighted fair queuing) with MQC with FRTS   1-23

coloring (classification)   1-23

CQ (custom queuing)   1-18

CRTP (compressed real-time protocol)   1-29

DWFQ (distributed weighted fair queuing)   1-21

FQ (fair queuing)   1-20

FRTS (frame-relay traffic shaping)   1-25

FRTS (FRF.12), frame-relay fair queue, and frame-relay voice configuration   1-25

GTS (generic traffic shaping)   1-24

LFI (link fragmentation and interleaving)   1-29

NBAR (network-based application recognition)   1-28

PBR (policy based routing)   1-23

PQ (priority queuing)   1-17

QoS group DWFQ   1-21

RSVP (resource reservation protocol)   1-28

WFQ (weighted fair queuing)   1-20

WRED (weighted random early detection)   1-19

WRR (weighted round robin)   1-27

DFRF (Distributed Frame Relay Fragmentation)   1-72

disabling and enabling policies   7-14

disk space requirements for QPM   2-2

Distributed Frame Relay Fragmentation (see DFRF)   1-72

Distributed Traffic Shaping (see DTS)   1-46

distributing policies to network devices (see policies, distributing)   8-1

Distribution Manager, using

command reference   A-7

configuration settings, changing   8-3

dialog box reference   C-1

Create Job dialog box   C-1

Options dialog box   C-2

logs, reading   8-11

audit trail of user logon   8-12

error messages   8-15

informational messages   8-13

log messages   8-13

main window, understanding

All Jobs tree view, description   3-13

list view, description   3-14

log, description   3-15

documentation

audience for this   xvii

CD-ROM   xix

feedback, providing electronically   xx

for more QoS information

Catalyst   1-82

IOS software release 11.1 and 11.1cc   1-80

IOS software release 11.2   1-80

IOS software release 11.3   1-79

IOS software release 12.x   1-78

IOS software white papers   1-81

LocalDirector   1-82

QPM   1-77

VoIP   1-78

ordering   xix

related   xviii

typographical conventions used in   xviii

world wide web   xix

DSCP   1-74

mapping   B-24

markdown   B-25

values   B-25

DTS (Distributed Traffic Shaping), for controlling traffic on VIP interfaces   1-46

E

enabling and disabling policies   7-14

F

FIFO (First In, First Out) queuing for basic store and forward   1-51

First In, First Out (see FIFO)   1-51

FRF (Frame Relay Fragmentation)   1-71

FRTS (Frame Relay Traffic Shaping)   1-44

G

Generic Traffic Shaping (see GTS)   1-43

supported in IOS software release

11.x devices   1-15

getting started with QPM (see tutorial)   3-1

GTS (generic traffic shaping)

for controlling bandwidth   1-43

supported in IOS software release

11.x devices   1-15

H

help (see technical assistance)   xx

host groups, working with   7-16

creating   7-16

deleting   7-18

modifying   7-17

host names in a policy, resolving to their IP addresses   7-12

I

importing devices to the QoS database from a device inventory   6-21

installing QPM   2-1

hardware and software requirements   2-1

browser   2-2

disk space   2-2

operating system   2-2

processor   2-1

RAM   2-1

procedure

complete QPM   2-3

remote QPM   2-9

uninstalling   D-1

upgrades   2-2

interfaces that benefit from QoS   1-35

IP addresses, resolving host names in a policy to   7-12

IP precedence   1-74

IP RTP   1-69

IP telephony

(see also IP telephony, configuring QoS for)   9-1

(see also IP telephony template reference)   9-12

AVVID network   9-4

configuring commands other than QoS   9-12

database

adding devices in the example network to   3-89

assigning device interfaces to device groups   3-96

predefined   5-2

end-to-end network quality for voice traffic, importance of   3-86

network

model, typical   9-2

points that require QoS configuration for   9-3

QoS

configuration methods supported by QPM   9-3

database templates, table of   9-5

properties configured on a device basis   9-22

templates

location of   3-86

using   3-86

IP telephony, configuring QoS for   9-1

template reference   9-12

ATM WAN links   9-27

downlink ports from distribution or core to access layer Cat6k   9-17

downlink ports from distribution or core to access layer Catalyst 3500/4000/5000   9-19

Frame Relay WAN interfaces   9-25

interface from branch office router to Layer 2 switch   9-28

interface from distribution or core switch to WAN router   9-21

IP phone ports   9-13

per device scheduling   9-22

point-to-point WAN interfaces   9-23

SoftPhone ports   9-15

uplink ports   9-17

templates, working with   9-4

understanding   9-4

using   9-8

understanding QoS for IP telephony   9-1

IP telephony template reference   9-12

ATM WAN links

WAN-ATM-VirtualTempl   9-27

CallManager and Voice Gateway Ready ports   9-15

Acc6000=>VoIPControl   9-16

downlink ports from distribution or core to access layer Cat6k

Dist(IOS)=>6K-PFC   9-18

Dist=>Acc6K-PFC   9-17

downlink ports from distribution or core to access layer Catalyst 3500/4000/5000

Dist(IOS)=>Non6KPFC   9-20

Dist(IOS)-VoiceVLAN   9-20

Dist=>AccNon6KPFC   9-19

Frame Relay WAN interfaces

Low Speed Frame Relay Links   9-26

WAN-FR-1.5M-DLCI   9-26

WAN-FR-Interface   9-25

high-speed WAN interfaces

WAN-PPP-High(>768k)   9-25

interface from branch office router to Layer 2 switch

RouterWAN=>Non6KPFC   9-28

interface from distribution or core switch to WAN router

Dist(IOS)=>RouterWAN   9-22

Dist=>RouterWAN   9-21

Dist_GE=>RouterWAN   9-21

IP phone ports

Acc3500=>IP-Phones   9-14

Acc6000=>IP-Phones   9-13

AccDist6K-VoiceVLAN   9-14

multilink WAN interfaces

WAN-MLP-High(>768k)   9-24

WAN-MLP-Slow(   9-24

per device scheduling

Catalyst 6000   9-22

Catalyst 6000 with Supervisor IOS   9-23

SoftPhone ports

Acc6000=>SoftPhones   9-15

uplink ports

Acc6000_GE=>Dist   9-17

J

jitter on slower links, using LFI to reduce   1-71

L

Layer 3 switch congestion, managing with WRR   1-61

LFI (link fragmentation and interleaving)

for reducing delay and jitter on slower links   1-71

supported by IOS software devices

release 11.x   1-16

release 12.x   1-29

limiting action on switches   B-95

limiting techniques (see traffic shaping or limiting techniques)   1-42

link fragmentation and interleaving (LFI)

supported by IOS software devices

release 11.x   1-16

release 12.x   1-29

Link Fragmentation and Interleaving (see LFI)   1-71

LLQ (Low Latency Queuing)

CBWFQ with MQC, set/match, RTP and, supported by IOS release 12.x devices   1-22

CBWFQ with MQC and, supported by IOS release 12.x devices   1-21

for strict priority queuing   1-69

Low Latency Queuing (see LLQ)   1-69

M

managing

traffic through access control   1-73

users (see users, managing)   4-1

voice and other real-time traffic   1-68

memory (RAM) requirements for QPM   2-1

menu, tool, and command reference   A-1

CLI commands for QPM actions   A-10

Catalyst 5000 coloring policies   A-23

Catalyst 6000 2Q2T and 1P2Q2T queuing configuration   A-25

Catalyst 6000 coloring policies   A-23

Catalyst 6000 limiting policies   A-24

Catalyst 6000 port configuration   A-24

CBWFQ configuration   A-12

CRTP configuration   A-20

custom queuing configuration   A-19

FIFO queueing configuration   A-19

FRTS configuration   A-17

FRTS with FRF.12 (voice configuration) configuration   A-18

IP RTP priority configuration   A-20

LFI configuration   A-20

limiting policies (CAR)   A-21

LocalDirector coloring policies   A-23

NBAR port map configuration   A-19

priority queuing configuration   A-18

router coloring policies (PBR and CAR)   A-22

RSVP configuration   A-20

shaping policies (GTS)   A-21

WFQ configuration   A-15

WFQ on VIP cards (DWFQ with QoS group) Configuration   A-16

WFQ with FRTS configuration   A-15

WRED configuration   A-16

WRR policies   A-21

Distribution Manager   A-7

Policy Manager   A-1

modifying

application service aliases   7-20

device group properties   6-37

device properties   6-6

host groups   7-17

interface properties   6-30

policies   7-13

N

naming conventions in QPM   8-26

NBAR (Network Based Application Recognition)   1-9

network devices, distributing policies to (see policies, distributing)   8-1

O

opening an existing QoS database   5-4

operating system requirements for QPM   2-2

overview of QPM   1-4

P

policies

distribution problems, troubleshooting   10-3

policies, distributing to network devices   8-1

(see also policies, working with)   7-1

distribution jobs, deploying from an external program   8-21

examples   8-23

example script   8-24

return codes and logs   8-22

syntax description   8-21

Distribution Manager configuration settings, changing   8-3

Distribution Manager logs, reading   8-11

audit trail of user logon   8-12

error messages   8-15

informational messages   8-13

log messages   8-13

naming conventions   8-26

policies and QoS configurations, distributing   8-4

policy distribution, understanding   8-2

policy distribution reports, creating   8-20

restoring a database version   8-8

resuming a stopped distribution job   8-8

stopping a distribution job   8-7

verifying device configuration   8-9

viewing the configuration commands for a device   8-10

policies, working with   7-1

building blocks for policies, creating   7-15

application service aliases, working with   7-19

host groups, working with   7-16

implementation sequence on an interface, understanding   1-37

modifying   7-13

policy priority, changing   7-21

policy reports, creating   7-22

understanding policies   7-2

creating   7-4

resolving the host names in a policy to their IP addresses   7-12

policing traffic

supported for Catalyst devices   1-30

Policy Manager, using   3-3

cutting, copying, and pasting policies   3-8

dialog box reference   B-1

Add/Remove Group Members dialog box   B-2

Application Service dialog box   B-4

Application Services dialog box   B-5

Detect Interfaces dialog box   B-6

Device Group dialog box   B-7

DNS Host to IP Address Resolution dialog box   B-22

DSCP Mapping dialog box   B-24

DSCP Markdown dialog box   B-25

Edit Database Description dialog box   B-26

Find Device dialog box   B-27

Global Settings Overwrite dialog box   B-27

Host Groups dialog box   B-29

Import Device dialog box   B-30

Logon Information dialog box   B-32

NBAR Port Mapping dialog box   B-33

NBAR Port Mapping Properties dialog box   B-34

NBAR Properties dialog box   B-35

New Device and Device Properties dialog boxes   B-37

New Interface and Properties of Interface dialog boxes   B-42

Open Database dialog box   B-57

Properties of CatOS/IOS Queuing dialog box   B-58

Properties of Host Group dialog box   B-61

Properties of Policy dialog box   B-62

Properties of Policy dialog box, coloring properties   B-84

Properties of Policy dialog box, direction properties   B-64

Properties of Policy dialog box, filter properties   B-65

Properties of Policy dialog box, flow limiting properties   B-101

Properties of Policy dialog box, general properties   B-63

Properties of Policy dialog box, limiting properties   B-92

Properties of Policy dialog box, microflow limiting properties   B-97

Properties of Policy dialog box, queuing properties   B-76

Properties of Policy dialog box, shaping properties   B-89

Properties of Policy dialog box, trust properties   B-88

Save Database dialog box   B-103

WRED Advanced Properties dialog box   B-104

display, changing   3-8

exiting   3-10

main window, understanding   3-3

changing the main window   3-9

list view   3-6

properties preview   3-8

tree view   3-4

menu, tool, and command reference   A-1

saving your work   3-9

starting and logging into QPM   3-2

from Distribution Manager   3-17

PQ (Priority Queuing) for basic traffic prioritization   1-52

Priority Queuing (see PQ)   1-52

processor requirements for QPM   2-1

Q

QoS, planning for   1-1

information, finding further   1-77

Catalyst documentation   1-82

IOS software release 11.1 and 11.1cc documentation   1-80

IOS software release 11.2 documentation   1-80

IOS software release 11.3 documentation   1-79

IOS software release 12.x documentation   1-78

IOS software white papers   1-81

LocalDirector documentation   1-82

QPM   1-77

VoIP information   1-78

QoS deployment   1-34

what applications benefit from QoS   1-34

what interfaces benefit from QoS   1-35

where to deploy QoS in the network   1-36

what QoS is   1-1

what QPM is   1-3

devices and software releases supported   1-13

ensuring policy consistency with network configuration   1-33

features new in QPM 2.1   1-10

how QPM deploys QoS policies   1-32

how QPM supports existing ACLs   1-34

how QPM supports existing QoS configurations   1-34

overview   1-4

QPM, features and benefits of   1-5

QoS database, working with   5-1

adding devices to   6-2

backing up and recovering   5-9

backward compatibility   5-3

converting device information   5-3

connecting to a device via Telnet   6-26

creating a new   5-5

deleting   5-8

device configuration, viewing   6-25

device properties, viewing or changing   6-6

importing devices from a device inventory   6-21

opening an existing database   5-4

removing a device   6-25

renaming   5-7

saving   5-6

understanding   5-1

uploading device QoS configurations   6-8

possible error messages   6-10

QoS Manager

troubleshooting

connections to   10-2

starting, stopping, and disabling   10-1

QoS support on Catalyst 6000 running Supervisor IOS, new feature in QPM 2.1   1-10

QoS types that QPM handles

managing traffic through access control   1-73

managing voice and other real-time traffic   1-68

CRTP   1-73

DFRF   1-72

FRF   1-71

IP RTP   1-69

LFI   1-71

LLQ   1-69

policy implementation sequence on an interface, understanding   1-37

queuing techniques for congestion management for outbound traffic

1P2Q2T for managing voice traffic on switches   1-64

2Q2T for managing congestion on switch ports   1-62

CBWFQ for customizable WFQ   1-57

CQ for advanced traffic prioritization   1-54

First In, First Out (FIFO) queuing for basic store and forward   1-51

PQ for basic traffic prioritization   1-52

WFQ for intelligent traffic prioritization   1-56

WRR for managing Layer 3 switch congestion   1-61

signaling techniques

IP precedence and DSCP values for differentiated services   1-74

RSVP for guaranteed services   1-75

traffic coloring techniques

coloring on Catalyst 5000 family switches   1-40

coloring on Catalyst 6000 family switches   1-41

coloring on routers   1-39

traffic shaping or traffic limiting techniques for controlling bandwidth

DTS for controlling traffic on VIP interfaces   1-46

FRTS for controlling traffic on frame relay interfaces and subinterfaces   1-44

GTS for basic traffic rate control   1-43

limiting on routers for limiting bandwidth and optionally coloring traffic   1-47

limiting on switches for policing traffic by limiting bandwidth   1-49

QPM, devices and software releases supported

devices and QoS techniques for CATOS software releases   1-30

devices and QoS techniques for IOS software releases   1-13

device software releases and QoS techniques for other devices   1-31

QoS features that require IP CEF or dCEF   1-31

queuing techniques

for avoiding outbound traffic congestion   1-65

for managing outbound traffic congestion   1-51

R

RAM requirements for QPM   2-1

recovering QoS databases   5-9

removing

application service aliases   7-21

device groups   6-40

device interfaces   6-31

devices from the QoS database   6-25

policies   7-14

QoS database   5-8

users   4-2

renaming a QoS database   5-7

requirements for installation (see installing QPM)   2-1

Resource Reservation Protocol (RSVP)

supported by IOS software devices

release 11.x   1-15

release 12.x   1-28

restoring a database version   8-8

resuming a stopped policy distribution job   8-8

routers, coloring on   1-39

RSVP (resource reservation protocol)

supported by IOS software devices

release 11.x   1-15

release 12.x   1-28

RSVP (Resource Reservation Protocol) signaling techniques for guaranteed services   1-75

S

saving a QoS database   5-6

shaping techniques (see traffic shaping or limiting techniques)   1-42

signaling techniques   1-74

IP precedence and DSCP values for differentiated services   1-74

RSVP for guaranteed services   1-75

starting

QoS Manager, for troubleshooting   10-1

stopping a policy distribution job   8-7

resuming a stopped job   8-8

support (see technical assistance)   xx

T

TAC (Technical Assistance Center)   xxi  to xxii

technical assistance   xx

Technical Assistance Center (see TAC)    xxi

techniques supported by QPM

Catalyst devices (table)   1-30

IOS software release 12.x devices (table)   1-26

Telnet

connecting to a device via   6-26

templates (see IP telephony template reference)   9-12

traffic

policing

supported for Catalyst devices   1-30

traffic coloring techniques   1-39

coloring on Catalyst 5000 family switches   1-40

coloring on Catalyst 6000 family switches   1-41

coloring by trust   1-42

coloring on LocalDirector   1-42

trust boundaries, extending   1-41

trust boundaries, how established   1-41

coloring on routers   1-39

traffic prioritization

advanced with CQ   1-54

basic, with PQ   1-52

intelligent, with WFQ   1-56

traffic shaping or limiting techniques for controlling bandwidth   1-42

DTS for controlling traffic on VIP interfaces   1-46

FRTS for controlling traffic on frame relay interfaces and subinterfaces   1-44

limiting on routers for limiting bandwidth and optionally coloring traffic   1-47

limiting on switches for policing traffic by limiting bandwidth   1-49

troubleshooting   10-1

Distribution Manager error messages, reading in the log   8-15

policy distribution problems   10-3

QoS Manager service

connections to   10-2

starting, stopping, and disabling   10-1

QPM interface problems   10-4

system status information, obtaining for Technical Support   10-2

uploading device QoS configurations, possible error messages   6-10

trust

classifying specific traffic by   1-42

coloring by, on Catalyst 6000 switches   7-7

trust boundaries

extending   1-41

how established   1-41

trust extension

additional QoS capabilities on Catalyst 6000 devices   1-11

tutorial, general information   3-1

Distribution Manager, using   3-10

display, changing   3-16

exiting   3-17

main window, understanding   3-11

Policy Manager, starting from Distribution Manager   3-17

starting   3-11

example network, understanding   3-18

Policy Manager, using   3-2

cutting, copying, and pasting policies   3-8

display, changing   3-8

exiting   3-10

Policy Manager main window, understanding   3-3

saving your work   3-9

starting and logging into QPM   3-2

tutorial lesson 1, Creating a QoS Database   3-20

adding a device's interfaces   3-25

offline device   3-27

online device   3-26

adding a device to the QoS database   3-22

Adding a New Interface   3-28

Coloring Properties of Policy   3-41

Creating a QoS Database   3-29

Detect Interfaces window   3-32

importing multiple devices into the QoS database   3-29

Job Selected in Distribution Manager   3-43

Querying Inventory Devices   3-30

sample network device information   3-21

uploading existing device configurations   3-33

tutorial lesson 2, creating and distributing a simple policy for managing traffic on one router   3-36

configuring the QoS property   3-37

creating a new policy to color inbound traffic   3-38

distributing policies to the network   3-42

figures

Coloring and Queuing Packets on Router R4   3-36

Filter Properties of Coloring Policy   3-40

tutorial lesson 3, coloring ERP traffic on a group of devices   3-44

creating a policy on a device group   3-49

creating device groups   3-44

tutorial lesson 4, limiting the bandwidth available to FTP traffic on a switch   3-51

creating a limiting policy on the switch   3-58

creating an application service alias   3-56

defining the QoS style for a switch's ports   3-52

verifying device configuration and distributing to the network   3-60

tutorial lesson 5, updating the database after software upgrades   3-62

recreating device groups for the new software version   3-64

with new software version information   3-63

tutorial lesson 6, using NBAR and creating multiple action policies   3-69

changing the QoS property on an interface   3-70

creating a multiple-action policy with NBAR filtering   3-72

tutorial lesson 7, configuring Frame Relay traffic shaping   3-82

configuring FRTS on a subinterface or DLCI   3-83

enabling FRTS on an interface   3-81

tutorial lesson 8, providing end-to-end QoS for VoIP over the enterprise WAN   3-86

adding devices to the IP telephony database   3-89

assigning interfaces to the device groups   3-96

assigning the CallManager interfaces   3-99

assigning the IP phone interfaces   3-97

assigning the LAN interfaces   3-102

assigning the remote branch interfaces   3-104

assigning the WAN interfaces   3-103

deploying the IP telephony database   3-106

network example for configuring QoS for VoIP   3-87

configuring QoS for the campus site   3-87

configuring QoS for the remote branch   3-89

configuring QoS for the WAN   3-88

typographical conventions used in this document   xviii

U

uninstalling QPM   D-1

upgrades

how software upgrades affect device groups   6-40

updating the database after   3-62

upgrading QPM   2-2

uploading device QoS configurations   6-8

possible error messages   6-10

users, managing   4-1

adding or removing users   4-2

QPM user authorization, understanding   4-1

V

verifying device configuration   8-9

viewing

configuration commands for a device   8-10

device configurations   6-25

device interfaces   6-30

device properties   6-6

VIP interfaces, controlling traffic on   1-46

VLANs and device interfaces, working with   6-26

device interfaces, adding   6-27

removing device interfaces   6-31

viewing or changing device interfaces   6-30

voice and other real-time traffic, managing   1-68

CRTP   1-73

DFRF   1-72

FTF   1-71

IP RTP   1-69

LFI   1-71

LLQ   1-69

on switches

using 1P2Q2T   1-64

with IP1Q2T   1-64

W

Weighted Fair Queuing (see WFQ)   1-56

Weighted Round Robin (see WRR)   1-61

WFQ (Weighted Fair Queuing) for intelligent traffic prioritization   1-56

where to deploy QoS in the network   1-36

World Wide Web

accessing Cisco.com via   xxi

accessing TAC via   xxi

WRED (Weighted Random Early Detection)   1-19

WRR (Weighted Round Robin) for managing Layer 3 switch congestion   1-61