Index

A

accessing

: Cluster Mangement 2-17
: command modes 2-30
: CVSM 2-8, 3-14
: CVSM from visual stack 3-13
: MIB files 2-39
: MIB objects 2-38
: MIB variables 2-39

address aging time 3-69

address count, secure 3-77

address management, illustrated 3-68

address resolution 3-64

address security violations 3-76

address table

aging time, configuring 3-69

dynamic entries, removing 3-70

MAC 3-66

secure addresses

: adding 3-71
: removing 3-71

secured port, defining 3-76

static addresses

: adding 3-74
: removing 3-75

addresses

dynamic

: aging time 3-69
: default aging 3-88
: described 3-66
: removing 3-70

secure

: adding with CLI 3-71
: described 3-70
: removing with CLI 3-71

static

: adding with CLI 3-74
: configuring (EtherChannel) 3-73
: described 3-72
: removing with CLI 3-75

administrative information 4-25

aggregation

: enterprise workgroup 1-7
: small-to-medium business workgroup 1-9

aging time

: changing address 3-69
: defining 3-69

aging, accelerating 3-88

alarms, RMON 3-109

ARP table

: address resolution 3-64
: illustrated 3-65
: managing 3-64

ATM ports

: settings for 3-22
: VLAN membership 3-102

authentication, enabling NTP 3-48

autonegotiation

: connecting to devices without 3-22
: mismatches 5-1, 5-2

B

bandwidth, graphing 2-26

Beginning 3-85

broadcast messages, configuring for 3-48

broadcast storm control

: disabling 3-36
: enabling 3-35

browsers

configuring

: Internet Explorer 2-4
: Netscape Communicator 2-4

supported versions 2-3

buttons

: Cluster Builder 2-20
: Cluster Management 2-17
: Cluster Manager 2-27
: Cluster View 2-23
: CVSM 2-8, 2-10
: Network View 2-14

bytes, graphing 4-38, 4-40

C

candidates

: adding 4-2
: automatically discovering 4-6
: displaying 2-18
: requirements 4-3

Caution described xiv

CDP

: configuring 3-79, 3-81
: illustrated 3-80

CGMP

: controlling management packets with 3-82
: Fast Leave, disabling with CLI 3-84
: Fast Leave, enabling with CLI 3-84
: illustrated 3-83

Cisco Discovery Protocol. See CDP

Cisco Group Management Protocol. See CGMP

Cisco Systems access page 2-10

Cisco Visual Switch Manager. See CVSM

CiscoWorks 2-39

CLI

accessing 1-6

error messages 2-35

upgrading

: 1900 and 2820 member switches 4-30
: 2900 and 3500 member switches 4-29
: single switches 3-42

using 2-29

Cluster Builder

: adding and removing members 4-12
: arranging and saving the device layout 4-16
: automatic discovery of candidates 4-6
: changing the host name 4-25
: changing the polling interval 4-17
: displaying port connection information 4-25
: illustrated 4-13
: saving configuration changes 4-20
: Suggested Candidate window 4-6
: using 2-18

Cluster Management

: described 2-1, 4-1
: using 2-16

Cluster Manager

: administrative information 4-25
: changing the host name 4-25
: changing the polling interval 4-20
: configuring ports 4-21
: configuring SNMP 4-31
: displaying 2-20, 2-23
: displaying VLAN membership 4-26
: monitoring port status 4-20
: saving configuration changes 4-20
: upgrading groups of switches 4-27
: using 2-25

Cluster View

: arranging and saving the device layout 4-16
: displaying 4-14
: saving configuration changes 4-20
: using 2-22

clusters

community string changes 4-9

creating 2-18, 4-11

described 4-1

disqualification code 4-14

host name changes 4-8

management VLAN

: changing on candidates 4-5
: changing on existing clusters 4-4
: guidelines before changing 3-55
: requirements 3-54

managing 2-41, 4-1, 4-18

members

: adding and removing with Cluster Builder 4-12
: managing with CLI 2-33
: removing with CLI 4-15

naming 3-16

password changes 4-10

command modes 2-30

command switch 4-1

and management 1-6

and managing with SNMP 2-41

configuration conflicts 5-12

defined 1-3

enabling 3-16, 4-11

recovering

: from a failure 5-7
: from lost member connectivity 5-12

replacing

: with another switch 5-10
: with cluster member 5-7

command-line error messages 2-35

commands

: ? 2-34
: abbreviating 2-35
: copy running-config startup-config 2-38
: list of available 2-31
: no 2-35
: rcommand 2-33
: resetting to defaults 2-35
: show cluster 2-33

community strings

: changes to 4-9
: configuring 4-31
: entering 3-61
: SNMP 2-41, 4-9

configuration

: conflicts, managing 3-7, 5-12
: guidelines, port 3-22
: multiple port 4-24
: saving changes through Cluster Management 4-20
: saving cluster 2-17, 4-20
: saving to Flash memory 2-38
: single port 4-22
: SNMP, illustrated 3-60
: startup, saving changes to 3-8

configuration file, saving 3-39

configuring

broadcast messages 3-48

CDP 3-79, 3-81

community strings 3-61, 4-31

devices with Cluster Manager 2-25

flooding controls 3-31

hello time 3-94

Internet Explorer 2-4, 2-6

IP information 3-49

logging 3-106

management VLAN

: through console connection 3-55
: through Telnet 3-56

member switches 2-33

Netscape Communicator 2-4

NTP 3-46

port parameters 3-22

ports

: through Cluster Manager 4-21
: through CVSM 3-17, 3-19
: through visual stack 3-13

ports (Mode button) 2-11

preferences in Cluster Management 2-18

SNMP 3-59, 4-31

static addresses (EtherChannel) 3-73

STP 3-87

switch 3-16

Telnet 2-36

traps 3-61, 4-35

conflicts

: configuration 3-7, 5-12
: during upgrade 3-42

connecting to devices without autonegotiation 3-22

connection information

: Cluster Builder information 4-25
: displaying 2-13
: switch network view information 3-11

conventions

: command xii
: Note and Caution xiv
: text xii

copy running-config startup-config command 2-38

creating

: clusters 4-5, 4-11
: VLANs 3-100

Current Multicast Groups table 3-86

CVSM

: accessing 2-8
: accessing the home page 3-14
: buttons 2-8
: conflicts while upgrading 3-42
: home page, illustrated 3-15
: menu options 2-11, 2-12
: monitoring port settings 3-16
: using 2-8

D

date, setting 3-44

daylight saving time 3-46

defaults, resetting to 2-35

deployment examples 1-7

destination-based forwarding 3-27

destination-based port groups 3-25, 3-73

device arrangement 4-37

device layout, arranging and saving 4-16

device reports

displaying 2-16, 4-42

illustrated

: configuration information 4-43
: port information 4-45
: system information 4-44

disabling

: broadcast storm control 3-36
: CDP 3-79
: CGMP Fast Leave 3-84
: network port 3-34
: port security 3-78
: SNMP 3-60, 4-31
: STP 3-88
: Switch Port Analyzer 3-30

disqualification code for clusters 4-14

documentation, related xiii

domain name

: described 3-57
: specifying 3-58

Domain Name System (DNS) server 3-57, 3-58

duplex

configuration guidelines 3-22

displaying with stack view 3-13

setting

: with CLI 3-23
: with Cluster Manager 4-21
: with CVSM 3-19

dynamic addresses

: accelerated aging 3-88
: changing the aging time 3-69
: removing 3-70

E

enable password 2-32

enable secret password 2-32

enabling

: broadcast storm control 3-34, 3-35
: CGMP Fast Leave 3-84
: command switch 4-6, 4-11
: flow control 3-21
: network port 3-33
: NTP authentication 3-48
: port security 3-76, 3-78
: ports 3-19
: SNMP 3-60, 4-31
: STP Port Fast 3-97
: Switch Port Analyzer (SPAN) 3-28
: traps 4-35

Enterprise Edition Software

: features 1-3
: upgrading to 1-1

enterprise workgroup aggregation 1-7

error messages 2-35

errors, graphing 4-38, 4-42

EtherChannel port groups

: configuring static address for 3-73
: creating 3-25

Ethernet statistics, RMON 3-109

events, RMON 3-109

examples, deployment 1-7

F

failures, command switch 5-7

Fast EtherChannel port groups, creating 3-25

Fast Leave

: defined 3-82
: disabling 3-84
: enabling 3-84

features

: Cluster Management interface 2-17
: conflicts between 2-29
: default settings 3-2
: Enterprise Edition Software 1-3
: graphing 2-41
: IOS 1-2, 3-1
: management interface 2-1
: port, conflicting 3-7

filenames, Flash memory 3-39

files, Flash memory 2-37

firmware, upgrading 3-39

Flash memory

: saving configuration 2-38
: specifying filenames 3-39
: working with files in 2-37

flooded traffic, reducing 3-36

flooding controls

: configuring 3-31
: illustrated 3-32

flow control

: configuring with CLI 3-24
: configuring with CVSM 3-21

forwarding

: controlling (SNMP) 2-41
: restrictions 3-27
: resuming 3-37
: source-based, illustrated 3-26

forwarding delay

: changing 3-95
: defined 3-90

forwarding map, static address 3-72, 3-73

forwarding port groups 3-25

FTP, accessing MIB files 2-39

G

get-next-request operation 2-40

get-request operation 2-40

get-response operation 2-40

Gigabit Ethernet

: connecting to 3-22
: port settings 3-22

global configuration mode 2-31

graphs

: bandwidth 2-26
: link utilization 4-37
: percent utilization 4-40
: prerequisites for 2-41
: total bytes sent and received on link 4-40
: total errors on link 4-42
: total number of packets sent on link 4-41

H

hardware

: PC requirements 2-2
: supported switches 1-3

hello time

: changing 3-94
: configuring 3-94
: defined 3-90

help command 2-34

history statistics, RMON 3-109

hold-time, modifying 3-85

home page

: CVSM, displayed 3-15
: switch 3-14

host name

: changes to 4-8
: changring 4-25
: entering 2-26
: to address mappings 3-57

HTML interfaces 1-5

HTTP 2-2

I

interface configuration mode 2-31

interface features, Cluster Mangement buttons 2-17

interfaces

: IOS supported 1-5
: web-based 1-5

Internet Explorer, configuring 2-4, 2-6

IOS

: command-line interface, accessing 1-6
: deployment examples 1-7
: features 1-2
: hardware supported 1-4
: interfaces supported 1-5
: switching features, changing 3-1

IP addresses

: discovering 3-64
: member switches 2-1
: removing 3-53

IP information

: assigning 3-52
: configuring 3-49
: management VLAN 3-55, 3-56
: removing 3-53

IP management packets, controlling 3-82

IP Management, illustrated 3-50

IP setup program 5-8, 5-10

L

LEDs

: changing mode 2-11, 2-25
: Cluster Manager 4-20
: monitoring 3-16, 3-17
: visual stack colors 3-12

line configuration mode 2-31

link

: errors, graphing 4-42
: graph, illustrated 4-39
: utilization graphs 4-37

link reports, displaying in Network View 2-13

live images

: displaying in Cluster Manager 2-25
: displaying in visual stack 2-14

location, entering 2-26, 4-25

logging 3-106

M

MAC address

: adding secure 3-70
: aging time 3-69
: discovering 3-64, 3-67
: tables, managing 3-66

management interface features 2-1

management VLAN

changing on candidate switches 4-5

changing on existing clusters 4-4

characteristics 3-54

cluster requirements 3-54

configuring

: through console 3-55
: through Telnet 3-56

guidelines before changing 3-55

map, static address forwarding 3-72

member switches

: defined 1-3, 4-1
: IP addresses 2-1
: recovering from lost connectivity 5-12

messages 2-35

MIB files, accessing with FTP 2-39

MIB objects, accessing 2-38

MIB variables, accessing 2-39

Microsoft Internet Explorer. See Internet Explorer

mismatches, autonegotiation 5-1, 5-2

Mode button, configuring ports with 2-11

modes, accessing command 2-30

monitoring

: devices with Cluster Manager 2-25
: LEDs 3-16, 3-17
: port status 3-12, 4-20
: ports 3-16, 3-28
: traffic 3-28

multicast groups

: described 3-82
: removing 3-86

multicast packets. See flooding controls

multi-VLAN ports

: assigning to VLANs 3-104
: described 3-102, 3-103

N

Network Management System (NMS) 2-39

network ports

: disabling 3-34
: enabling 3-33

Network Time Protocol. See NTP

Network View

: buttons 2-14
: described 2-1
: displaying 3-9
: managing switches with 3-8
: page 3-10
: stack 3-8
: using 2-13

NMS 2-39

Note described xiv

NTP

: authentication 3-48
: broadcast-client mode 3-48
: client 3-47
: described 3-46
: illustrated 3-47

O

: operating systems, supported 2-3
: order, switch 4-37

P

packets

: See also traffic
: controlling management (CGMP) 3-82
: graphing 4-38, 4-41

passwords

: candidate switch 4-7
: changes to 4-10
: changing 3-14
: community strings 3-61
: configuring for Telnet 2-36
: recovery 5-4
: setting 2-32

path cost 3-96

PC requirements 2-2

polling interval

: graphing 4-17
: port status monitoring 4-20
: setting 2-18

Port Configuration page 3-20

Port Fast

: enabling 3-97
: setting 3-19

port groups

: configuring static addresses (EtherChannel) 3-73
: creating EtherChannel 3-25, 3-27
: destination based 3-73
: illustrated 3-26
: restrictions on forwarding 3-27
: source-based 3-73

port security 3-78

port settings, displaying 2-14

port status, monitoring 4-20

ports

assigning multi-VLAN 3-104

assigning to VLANs 3-102

configuration

: multiple 4-24
: single 4-22

configuration guidelines 3-22

configuring 3-17

: through Cluster Manager 4-21
: through CVSM 3-19
: through visual stack 3-13

configuring (Mode button) 2-11, 4-20

connection information, displaying 3-11

duplex

: checking 3-21
: setting 3-13, 3-21

features, conflicting 3-7

flooded traffic 3-37

mismatches 5-2

monitoring 3-16, 4-20

parameters, configuring 3-22

resume normal forwarding 3-37

secure 3-77

secured 3-76

security

: described 3-76
: disabling 3-78
: enabling 3-78
: illustrated 3-77

settings

: correcting 5-3
: displaying 3-20, 4-23

speed

: checking through Cluster Manager 4-22
: checking through CVSM 3-21
: checking through visual stack 3-13
: setting through Cluster Manager 4-22
: setting through CVSM 3-21
: setting through visual stack 3-19

status, monitoring 3-12, 4-20

STP parameters, changing 3-95

portsconnection information, displaying 4-25

priority 3-96

privilege levels

: mapping on member switches 4-10
: setting 2-32

privileged EXEC mode 2-30

publications, related xiii

R

rcommand 2-33

recovery procedures 5-3

redundancy 3-88

reload options, system 3-40

remote devices, connecting to 3-22

remote monitoring 3-109

reports

: device 2-13, 4-42
: link 2-13, 2-16

RMON 3-109

router hold-time, modifying 3-85

S

saving

: cluster configuration 2-17, 4-20
: configuration file 3-39
: layout of switch icons 2-20, 2-23
: startup configuration changes 3-8

secure address count, defining 3-77

secure addresses

: adding 3-70, 3-71
: removing 3-71

secure ports 3-76

: address-security violations 3-76
: disabling 3-78
: enabling 3-78
: maximum secure address count 3-77

security

: levels, defining 3-107
: port 3-76, 3-77
: violations, address 3-76

set-request operation 2-40

setting

: date and time 3-44
: passwords 2-32
: privilege levels 2-32
: time 3-46

settings

: configuring duplex 3-22
: correcting port 5-3
: port, displaying 2-14, 2-25

setup program 5-8, 5-10

small-to-medium business workgroup aggregation 1-9

SNMP

accessing MIB variables with 2-39

changes to community strings 4-9

configuration, illustrated 3-60

configuring community strings

: member switches 4-31
: single switch 3-61

configuring on

: cluster members 4-31
: single switch 3-59

configuring traps

: member switches 4-35
: single switch 3-61

defined 2-39

enabling and disabling 3-60, 4-31

management 2-38

managing clusters with 2-41

network management platforms 1-6

trap types

: in Cluster Manager 4-35, 4-36
: in CVSM 3-62

SNMP Manager, illustrated 4-33

software

recovery procedures 5-3

upgrading

: a single switch 3-39
: groups of switches 4-27
: with CLI 3-42
: with CVSM 3-41

source-based forwarding 3-27

source-based port groups 3-25, 3-73

SPAN

: described 3-28
: disabling with CLI 3-30
: enabling with CLI 3-30

Spanning-Tree Protocol. See STP

speed

: checking port 3-13, 4-20
: setting 3-23, 4-22

startup configuration, saving 3-8

static address

: forwarding map 3-72, 3-73
: forwarding restrictions 3-27

static addresses

: adding 3-74
: configuring for EtherChannel port groups 3-73
: described 3-72
: removing 3-75

static-access ports

: assigning to VLANs 3-103
: described 3-102

statistics, RMON 3-109

status, monitoring port

: with Cluster Manager 4-20
: with CVSM 3-16
: with stack view 3-12

STP

: BPDU message interval 3-93
: described 3-87
: disabling 3-88
: enabling Port Fast feature 3-97
: forwarding delay timer 3-95
: hello BPDU intervaI 3-94
: illustrated 3-91, 3-97
: implementation type 3-92
: number of supported instances 3-101
: path cost 3-98
: port parameters, changing 3-95
: port priority 3-99
: redundant connectivity 3-88
: switch priority 3-92
: unpredictable behavior 3-104
: VLAN parameters described 3-89

STP Port Fast 3-97

Suggested Candidate window 4-6

switch home page 3-14

Switch Network View. See Network View

switch order 4-37

Switch Port Analyzer (SPAN)

: disabling 3-30
: enabling 3-28
: illustrated 3-29

syslog messages 3-107

system

: configuration 3-40
: date and time, setting 3-44
: reload options, entering 3-40
: up time, displaying 2-26

T

Telnet

: configuring 2-36
: connections to cluster members 2-33
: starting 2-37

time

: daylight saving 3-46
: setting 3-44

time zones 3-45

traffic

: blocking flooded 3-36, 3-37
: monitoring 3-28
: reducing flooded 3-31, 3-33

trap managers, adding 3-61, 3-63

trap operation 2-40

traps, enabling 4-35

troubleshooting

: IOS 5-1
: with CiscoWorks 2-39

U

unicast packets. See flooding controls

UNIX workstation requirements 2-2

upgrading

: 1900 and 2820 member switches 4-30
: 2900 and 3500 member switches 4-29
: conflicts while 3-42
: groups of switches 4-27
: software with CLI 3-42
: software with CVSM 3-41
: to Enterprise Edition Software 1-1

user EXEC mode 2-30

user settings 2-18, 4-17

utilization graphs 4-37

V

visual stack

: accessing CVSM 3-13
: described 3-8
: displaying 3-11

VLAN database mode 2-31

VLAN ID, discovering 3-64, 3-67

VLANs

W

: web-based management tools 2-1
: web-based management, using 2-2

X

: XMODEM protocol 5-3

Table of Contents

Index