202-10088-01, March 2005

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Contents

Show Commands

.................................................................................................

11-30

show class-map

.............................................................................................

11-31

show diffserv

..................................................................................................

11-32

show policy-map

............................................................................................

11-33

show diffserv service

.....................................................................................

11-36

show diffserv service brief

.............................................................................

11-37

show policy-map interface

.............................................................................

11-37

show service-policy

.......................................................................................

11-39

Class of Service (CoS) Commands

............................................................................

11-40

classofservice dot1p-mapping

..............................................................................

11-40

classofservice ip-dscp-mapping

...........................................................................

11-40

classofservice ip-precedence-mapping

................................................................

11-41

classofservice trust

...............................................................................................

11-41

no classofservice trust

...................................................................................

11-41

cos-queue max-bandwidth

...................................................................................

11-41

no cos-queue max-bandwidth

..............................................................................

11-42

cos-queue min-bandwidth

....................................................................................

11-42

no cos-queue min-bandwidth

........................................................................

11-42

cos-queue random-detect

....................................................................................

11-42

no cos-queue random-detect

.........................................................................

11-42

cos-queue strict

....................................................................................................

11-43

no cos-queue strict

........................................................................................

11-43

random-detect

......................................................................................................

11-43

no random-detect

..........................................................................................

11-43

random-detect exponential-weighting-constant

...................................................

11-44

no random-detect exponential-weighting-constant

........................................

11-44

random-detect queue-parms

................................................................................

11-44

no random-detect queue-parms

....................................................................

11-44

tail-drop queue-parms

..........................................................................................

11-44

traffic-shape

.........................................................................................................

11-45

show classofservice dot1p-mapping

....................................................................

11-45

show classofservice ip-precedence-mapping

......................................................

11-46

show classofservice trust

.....................................................................................

11-46

show interfaces cos-queue

..................................................................................

11-46

show interfaces random-detect

............................................................................

11-47

Contents

xxvii

202-10088-01, March 2005

show interfaces tail-drop-threshold

......................................................................

11-48

Chapter 12

Managing Switch Stacks

Understanding Switch Stacks

.......................................................................................

12-1

Switch Stack Membership

......................................................................................

12-2

Switch Stack Cabling

..............................................................................................

12-4

Stack Master Election and Re-Election

..................................................................

12-5

Stack Member Numbers

.........................................................................................

12-5

Stack Member Priority Values

................................................................................

12-6

Switch Stack Offline Configuration

.........................................................................

12-6

Effects of Adding a Preconfigured Switch to a Switched Stack

.......................

12-6

Effects of Replacing a Preconfigured Switch in a Switch Stack

.............................

12-7

Effects of Removing a Preconfigured Switch from a Switch Stack

........................

12-7

Switch Stack Software Compatibility Recommendations

..............................................

12-8

Incompatible Software and Stack Member Image Upgrades

........................................

12-8

Switch Stack Configuration Files

..................................................................................

12-8

Switch Stack Management Connectivity

.......................................................................

12-9

Connectivity to the Switch Stack Through Console Ports

......................................

12-9

Connectivity to the Switch Stack Through Telnet

...................................................

12-9

Switch Stack Configuration Scenarios

..........................................................................

12-9

Stacking Recommendations

.......................................................................................

12-10

General Practices

.................................................................................................

12-11

Initial installation and Power-up of a Stack

...........................................................

12-11

Removing a Unit from the Stack

...........................................................................

12-12

Adding a Unit to an Operating Stack

....................................................................

12-12

Replacing a Stack Member with a New Unit

........................................................

12-12

Renumbering Stack Members

..............................................................................

12-13

Moving a Master to a Different Unit in the Stack

..................................................

12-14

Removing a Master Unit from an Operating Stack

...............................................

12-14

Merging Two Operational Stacks

.........................................................................

12-14

Preconfiguration

...................................................................................................

12-15

Upgrading Firmware

.............................................................................................

12-15

Migration of Configuration With a Firmware Upgrade

..........................................

12-16

Code Mismatch

....................................................................................................

12-16

202-10088-01, March 2005

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Contents

Appendix A

IS CLI Mapping

Appendix B

Cabling Guidelines

Fast Ethernet Cable Guidelines

.....................................................................................

B-1

Category 5 Cable

...........................................................................................................

B-2

Category 5 Cable Specifications

.............................................................................

B-2

Twisted Pair Cables

................................................................................................

B-3

Patch Panels and Cables

........................................................................................

B-4

Using 1000BASE-T Gigabit Ethernet over Category 5 Cable

.......................................

B-5

Cabling

....................................................................................................................

B-5

Near End Cross Talk (NEXT)

..................................................................................

B-6

Patch Cables

...........................................................................................................

B-6

RJ-45 Plug and RJ-45 Connectors

.........................................................................

B-6

Conclusion

..............................................................................................................

B-8

Appendix C

Glossary

Numeric

.........................................................................................................................

C-1

A

....................................................................................................................................

C-2

B

....................................................................................................................................

C-3

C

....................................................................................................................................

C-4

D

....................................................................................................................................

C-5

E

....................................................................................................................................

C-6

F

....................................................................................................................................

C-7

G

....................................................................................................................................

C-8

H

....................................................................................................................................

C-9

I

......................................................................................................................................

C-9

L

...................................................................................................................................

C-11

M

..................................................................................................................................

C-12

N

..................................................................................................................................

C-14

O

..................................................................................................................................

C-14

P

..................................................................................................................................

C-15

Q

..................................................................................................................................

C-16

R

..................................................................................................................................

C-17

S

..................................................................................................................................

C-18

Contents

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202-10088-01, March 2005

T

..................................................................................................................................

C-19

U

..................................................................................................................................

C-20

V

..................................................................................................................................

C-20

W

.................................................................................................................................

C-21

X

..................................................................................................................................

C-22

202-10088-01, March 2005

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