Cisco 2970 - Catalyst Switch manuals

Cisco 2970 - Catalyst Switch Specifications (674 pages)

Brand: Cisco | Category: Software manuals | Size: 7.44 MB |

English

Table of contents

Catalyst 2970 Switch

1

Software Configuration Guide

1

CONTENTS

3

5 Clustering Switches 5-1

5

11 Configuring VLANs 11-1

10

Contents

11

12 Configuring VTP 12-1

12

14 Configuring STP 14-1

13

15 Configuring MSTP 15-1

13

20 Configuring CDP 20-1

17

21 Configuring UDLD 21-1

17

23 Configuring RMON 23-1

18

25 Configuring SNMP 25-1

19

27 Configuring QoS 27-1

20

29 Troubleshooting 29-1

22

A Supported MIBs A-1

23

Audience

27

Conventions

28

Related Publications

29

Obtaining Documentation

29

Ordering Documentation

30

Documentation Feedback

30

Cisco TAC Website

30

Opening a TAC Case

31

TAC Case Priority Definitions

31

Overview

33

Chapter 1 Overview

34

Features

34

Performance Features

35

Management Options

35

Manageability Features

36

Availability Features

36

VLAN Features

37

Security Features

37

QoS and CoS Features

38

Monitoring Features

39

Port parameters

40

DHCP snooping

41

IGMP snooping

41

Port-based Traffic

41

Catalyst 2970

44

Catalyst 3750

44

Figure 1-2 Server Aggregation

45

Where to Go Next

47

Understanding Command Modes

49

• Change terminal

50

• Perform basic tests

50

• Display system

50

Understanding the Help System

51

Using Command History

53

Using Editing Features

54

Accessing the CLI

58

Getting Started with CMS

61

Front Panel View

62

Topology View

62

Table 3-1 Toolbar Buttons

63

Online Help

64

Configuration Modes

65

Privilege Levels

66

Configuring CMS

67

Browser Plug-In Requirements

68

Cross-Platform Considerations

69

HTTP Access to CMS

69

Displaying CMS

70

Figure 3-5 CMS Startup Report

72

Assigning Switch Information

78

Default Switch Information

79

DHCP Client Request Process

80

Configuring the DHCP Server

81

Configuring the TFTP Server

82

Configuring the DNS

82

Configuring the Relay Device

82

Obtaining Configuration Files

83

Example Configuration

84

EXEC command:

87

Default Boot Configuration

88

Booting Manually

89

• reload in [hh:]mm [text]

93

Clustering Switches

95

Understanding Switch Clusters

96

Discovery Through CDP Hops

99

78-15462-03

100

Planning a Switch Cluster

100

Virtual IP Addresses

105

IP Addresses

107

Host Names

107

SNMP Community Strings

108

TACACS+ and RADIUS

108

Passwords

108

Creating a Switch Cluster

109

Enter up to 31 characters

110

C3750-24TS

110

3750G-24T

111

• CC—Cluster command switch

113

Verifying a Switch Cluster

114

Command switch

116

Trap 1, Trap 2, Trap 3

116

Member 1 Member 2 Member 3

116

SNMP Manager

116

Administering the Switch

117

• Network Time Protocol

118

• Manual configuration

118

• User show commands

118

Configuring NTP

120

Configuring NTP Associations

122

Setting the System Clock

128

Configuring the Time Zone

129

Configuring a System Name

132

Configuring a System Prompt

133

Understanding DNS

133

Default DNS Configuration

134

Setting Up DNS

134

Creating a Banner

135

Configuring a Login Banner

137

Building the Address Table

138

MAC Addresses and VLANs

139

Managing the ARP Table

145

Disabling Password Recovery

151

Understanding TACACS+

156

TACACS+ Operation

158

Configuring TACACS+

159

Starting TACACS+ Accounting

163

Understanding RADIUS

164

RADIUS Operation

165

Configuring RADIUS

166

Defining AAA Server Groups

171

Starting RADIUS Accounting

174

Understanding Kerberos

178

Kerberos Operation

180

Obtaining a TGT from a KDC

181

Authorization

182

Understanding SSH

184

Configuring SSH

185

Configuring the SSH Server

186

Device Roles

190

Figure 8-2 Message Exchange

192

Supported Topologies

193

Using 802.1X with Guest VLAN

196

Default 802.1X Configuration

198

Changing the Quiet Period

203

Configuring the Host Mode

205

Configuring a Guest VLAN

206

Understanding Interface Types

209

Port-Based VLANs

210

Switch Ports

210

Trunk Ports

211

EtherChannel Port Groups

212

Connecting Interfaces

212

Configuration Guidelines

218

Configuring the System MTU

222

Monitoring Interface Status

224

Configuring SmartPort Macros

227

Configuring Smart-Port Macros

228

Displaying SmartPort Macros

230

Configuring VLANs

231

Understanding VLANs

232

Supported VLANs

233

VLAN Port Membership Modes

233

Token Ring VLANs

235

Saving VLAN Configuration

237

Deleting a VLAN

240

Default VLAN Configuration

242

Displaying VLANs

244

Configuring VLAN Trunks

245

Encapsulation Types

246

Configuring a Trunk Port

249

Configuring VMPS

256

VMPS Configuration Guidelines

257

Configuring the VMPS Client

258

Reconfirming VLAN Memberships

259

Monitoring the VMPS

260

VMPS Configuration Example

261

Configuring VTP

263

The VTP Domain

264

VTP Modes

265

VTP Advertisements

265

VTP Version 2

266

VTP Pruning

266

Understanding VTP

267

VTP Configuration Guidelines

269

VTP Version

270

Configuration Requirements

270

Configuring a VTP Server

271

Configuring a VTP Client

272

Enabling VTP Version 2

274

Enabling VTP Pruning

275

Monitoring VTP

277

Configuring Voice VLAN

279

Cisco IP Phone Voice Traffic

280

Cisco IP Phone Data Traffic

280

Displaying Voice VLAN

284

Configuring STP

285

STP Overview

286

Blocking State

289

Listening State

290

Learning State

290

Forwarding State

290

Disabled State

291

STP and IEEE 802.1Q Trunks

294

Disabling Spanning Tree

298

Configuring the Root Switch

298

Configuring Port Priority

301

Configuring Path Cost

302

Configuring the Hello Time

304

Configuring MSTP

307

Understanding MSTP

308

IST, CIST, and CST

309

Hop Count

311

Boundary Ports

311

Understanding RSTP

312

Rapid Convergence

313

Synchronization of Port Roles

314

Table 15-2 RSTP BPDU Flags

315

Topology Changes

316

Configuring MSTP Features

317

Default MSTP Configuration

318

MSTP Configuration Guidelines

318

Understanding Port Fast

332

Understanding BPDU Guard

333

Understanding BPDU Filtering

333

Understanding UplinkFast

334

Understanding BackboneFast

335

Understanding Root Guard

337

Understanding Loop Guard

338

Enabling Port Fast

340

Enabling BPDU Guard

341

Enabling BPDU Filtering

342

Enabling BackboneFast

343

Enabling Root Guard

344

Enabling Loop Guard

345

Configuring DHCP Features

347

Option-82 Data Insertion

348

Displaying DHCP Information

351

Understanding IGMP Snooping

354

IGMP Versions

355

Joining a Multicast Group

355

Leaving a Multicast Group

357

Configuring IGMP Snooping

358

Setting the Snooping Method

360

Configuring MVR

367

Default MVR Configuration

368

Configuring MVR Interfaces

370

Displaying MVR Information

371

Configuring IGMP Profiles

373

Applying IGMP Profiles

374

Configuring Storm Control

379

Understanding Storm Control

380

Enabling Storm Control

381

Configuring Protected Ports

383

Configuring Port Blocking

384

Configuring Port Security

385

Security Violations

386

Configuring CDP

395

Disabling and Enabling CDP

397

Configuring UDLD

401

Understanding UDLD

402

Enabling UDLD Globally

405

Enabling UDLD on an Interface

405

Displaying UDLD Status

406

Configuring SPAN and RSPAN

407

Local SPAN

408

Remote SPAN

408

SPAN Sessions

409

Monitored Traffic

410

Source Ports

411

Source VLANs

412

VLAN Filtering

412

Destination Port

413

RSPAN VLAN

414

Configuring Local SPAN

416

Creating a Local SPAN Session

417

Specifying VLANs to Filter

421

Configuring RSPAN

422

RSPAN sessions

429

Configuring RMON

431

Default RMON Configuration

433

Displaying RMON Status

436

System Log Message Format

438

Disabling Message Logging

440

Synchronizing Log Messages

441

Configuring SNMP

449

SNMP Versions

450

SNMP Manager Functions

451

SNMP Agent Functions

452

SNMP Notifications

453

Default SNMP Configuration

455

SNMP Configuration Guidelines

455

Disabling the SNMP Agent

456

Configuring Community Strings

456

SNMP Examples

463

Displaying SNMP Status

464

Understanding ACLs

465

Supported ACLs

466

VLAN Maps

467

(VLAN 10)

468

Catalyst 2970 switch

468

Configuring IP ACLs

469

Access List Numbers

470

Using Time Ranges with ACLs

477

Including Comments in ACLs

479

IP ACL Configuration Examples

481

Numbered ACLs

482

Extended ACLs

482

Named ACLs

482

Commented IP ACL Entries

483

Configuring VLAN Maps

486

Creating a VLAN Map

487

Example 1

488

Example 2

488

Example 3

489

Example 4

489

Applying a VLAN Map to a VLAN

490

Displaying ACL Configuration

493

Configuring QoS

495

Understanding QoS

496

Basic QoS Model

497

Classification

498

Policing and Marking

502

Mapping Tables

504

Weighted Tail Drop

505

SRR Shaping and Sharing

506

WTD Thresholds

508

Priority Queueing

508

Buffer and Memory Allocation

510

Packet Modification

511

Configuring Auto-QoS

512

Enabling Auto-QoS for VoIP

517

Configuring Standard QoS

520

Enabling QoS Globally

524

Configuring a QoS Policy

530

Configuring DSCP Maps

541

Configuring EtherChannels

561

EtherChannel Overview

562

Port-Channel Interfaces

563

Port Aggregation Protocol

563

PAgP Modes

564

Understanding EtherChannels

565

LACP Modes

566

Troubleshooting

579

Protocol

580

Using Ping

591

Using Layer 2 Traceroute

592

Displaying the Physical Path

593

Using IP Traceroute

594

Using Debug Commands

595

Using the crashinfo File

599

Supported MIBs

601

MIB List

602

APPENDIX

605

Copying Files

608

Deleting Files

609

Creating a tar File

610

Extracting a tar File

611

Working with Software Images

624

Unsupported Commands in

639

Cisco IOS Release 12.1(19)EA1

639

IGMP Snooping Commands

640

Interface Commands

640

Spanning Tree

641

Miscellaneous

642

Numerics

643

Cisco devices