Cisco Catalyst 4000 series Manuals

Manuals and User Guides for Cisco Catalyst 4000 series. We have 7 Cisco Catalyst 4000 series manuals available for free PDF download: Software Configuration Manual, Reference Manual, Hardware Troubleshoot, Manual, Frequently Asked Questions Manual, Datasheet, Product Support Bulletin

Cisco Catalyst 4000 series Software Configuration Manual

Cisco Catalyst 4000 series Software Configuration Manual (510 pages)

Software Guide

Brand: Cisco | Category: Switch | Size: 5.2 MB

Table of Contents

Software Configuration Guide
1
Table of Contents
3
Related Documentation
25
Obtaining Documentation
27
- World Wide Web
  27
- Ordering Documentation
  27
- Documentation Feedback
  28
Obtaining Technical Assistance
28
Catalyst 4000 Family Switches
33
Product Overview
33
Chapter 1 Product Overview

34
- Catalyst 4000 Family Switches
  34
- Catalyst 2948G Switch
  34
- Catalyst 2980G Switch
  35
- Supervisor Engine Software
  36
CHAPTER 2 Using the Command-Line Interface

37
CHAPTER 3 Configuring the Switch IP Address and Default Gateway

47
Configuring Ethernet Switching

59
CHAPTER 4 Configuring Ethernet and Fast Ethernet Switching

61
CHAPTER 5 Configuring Gigabit Ethernet Switching

69
CHAPTER 6 Configuring Fast Etherchannel and Gigabit Etherchannel

79
Spanning Tree

95
Chapter 7 Configuring Spanning Tree

98
- How Spanning Tree Protocols Work
  98
  - How a Topology Is Created
    98
  - How a Switch or Port Becomes the Root Switch or Root Port
    99
  - How Bridge Protocol Data Units Work
    99
  - Spanning Tree Port States
    101
    
    Blocking State
    102
    
    Blocking State
    103
    
    Listening State
    104
    
    Learning State
    105
    
    Disabled State
    106
    
    Forwarding State
    106
- Understanding PVST+ and MISTP Modes
  107
  - PVST+ Mode
    108
  - MISTP Mode
    108
  - MISTP-PVST+ Mode
    108
- Bridge Identifiers
  109
  - MAC Address Allocation
    109
  - MAC Address Reduction
    109
- Using PVST
  109
- Using MISTP-PVST+ or MISTP
  115
  - Default MISTP Configuration
    116
  - Enabling MISTP-PVST+ or MISTP
    116
  - Configuring a MISTP Instance
    118
  - Configuring MISTP Bridge ID Priority
    118
  - Configuring MISTP Port Cost
    119
  - Configuring MISTP Port Priority
    119
  - Configuring MISTP Port Instance Cost
    120
  - Configuring MISTP Port Instance Priority
    120
- Enabling a MISTP Instance
  121
- Mapping Vlans to a MISTP Instance
  122
  - Determining MISTP Instance-VLAN Mapping Conflicts
    122
  - Unmapping Vlans from a MISTP Instance
    123
- Disabling MISTP-PVST+ or MISTP
  123
- Configuring a Root Switch
  124
- Configuring Spanning Tree Timers
  127
  - Configuring Hello Time
    128
  - Configuring Forward Delay Time
    128
  - Configuring Maximum Aging Time
    129
- Understanding How BPDU Skewing Works
  130
- Configuring Spanning Tree BPDU Skewing
  130
CHAPTER 8 Configuring Spanning Tree Portfast, Uplinkfast, and Backbonefast, and Loop Guard

133
- Understanding How Portfast Works
  133
- Configuring Portfast
  134
- Understanding How Portfast BPDU Guard Works
  135
- Configuring Portfast BPDU Guard
  135
  - Enabling Portfast BPDU Guard
    136
  - Disabling Portfast BPDU Guard
    137
- Understanding How Portfast BPDU Filtering Works
  138
- Configuring Portfast BPDU Filtering
  138
  - Enabling Portfast BPDU Filtering
    138
  - Disabling Portfast BPDU Filtering
    139
- Understanding How Uplinkfast Works
  140
- Configuring Uplinkfast
  141
  - Enabling Uplinkfast
    141
  - Disabling Uplinkfast
    142
  - Understanding How Backbonefast Works
    143
  - Configuring Backbonefast
    145
    
    Enabling Backbonefast
    145
    
    Disabling Backbonefast
    146
    
    Displaying Backbonefast Statistics
    146
  - Understanding How Loop Guard Works
    147
  - Configuring Loop Guard
    149
    
    Disabling Loop Guard
    149
    
    Enabling Loop Guard
    149
Configuring Vlans and VLAN Trunks

151
- Configuring VTP
  153
  - Understanding How VTP Works
    153
Chapter 9 Configuring VTP

154
- VTP Domain
  154
- VTP Modes
  154
- VTP Advertisements
  154
- VTP Version 2
  155
- VTP Pruning
  155
- Default VTP Configuration
  157
- VTP Configuration Guidelines
  157
- Configuring VTP
  157
  - Configuring a VTP Server
    158
  - Configuring a VTP Client
    158
  - Disabling VTP (VTP Transparent Mode)
    159
  - Enabling VTP Version 2
    159
  - Disabling VTP Version 2
    160
  - Configuring VTP Pruning
    161
  - Disabling VTP Pruning
    162
  - Monitoring VTP
    162
Chapter 10 Configuring Vlans

163
- Understanding How Vlans Work
  163
- VLAN Default Configuration
  165
- VLAN Configuration Guidelines
  165
- Configuring Vlans
  165
- Creating or Modifying an Ethernet VLAN
  166
- Assigning Switch Ports to a VLAN
  166
- Mapping 802.1Q Vlans to ISL Vlans
  167
- Clearing 802.1Q-To-ISL VLAN Mappings
  168
- Deleting a VLAN
  169
- Configuring Private Vlans
  169
CHAPTER 11 Configuring VLAN Trunks on Fast Ethernet and Gigabit Ethernet Ports

177
CHAPTER 12 Configuring Dynamic Port VLAN Membership with VMPS

199
Chapter 13 Configuring GVRP

211
- Understanding How GVRP Works
  211
- GVRP Hardware and Software Requirements
  211
- Default GVRP Configuration
  212
- GVRP Configuration Guidelines
  212
- Configuring GVRP
  212
  - Enabling GVRP Globally
    213
  - Enabling GVRP on Individual 802.1Q Trunk Ports
    213
  - Enabling GVRP Dynamic VLAN Creation
    214
  - Configuring GVRP Registration
    215
    
    Setting GVRP Fixed Registration
    215
    
    Setting GVRP Forbidden Registration
    215
    
    Setting GVRP Normal Registration
    215
  - Sending GVRP VLAN Declarations from Blocking Ports
    216
  - Setting the GARP Timers
    216
  - Displaying GVRP Statistics
    217
  - Clearing GVRP Statistics
    218
  - Disabling GVRP on Individual 802.1Q Trunk Ports
    218
  - Disabling GVRP Globally
    218
Configuring Qos

223
- Understanding How Qos Works
  223
  - Overview of Qos
    223
Chapter 14 Configuring Qo

224
- Qos Terminology
  224
- Understanding Classification and Marking at the Ingress Port
  225
- Understanding Scheduling
  225
- Software Requirements
  226
- Qos Default Configuration
  226
- Configuring Qos
  226
CHAPTER 15 Configuring Multicast Services 15-1

231
- Understanding How Multicasting Works
  231
- Configuring CGMP
  234
  - CGMP Hardware and Software Requirements
    234
  - Default CGMP Configuration
    234
  - Enabling CGMP
    234
  - Enabling CGMP Fast-Leave Processing
    235
  - Displaying Multicast Router Information
    236
  - Displaying Multicast Group Information
    237
  - Checking CGMP Statistics
    237
  - Disabling CGMP Fast-Leave Processing
    238
  - Disabling CGMP
    238
- Configuring GMRP
  238
  - GMRP Software Requirements
    239
  - Default GMRP Configuration
    239
  - Enabling GMRP Globally
    239
  - Enabling GMRP on Individual Switch Ports
    240
  - Disabling GMRP on Individual Switch Ports
    240
  - Enabling GMRP Forward-All Option
    241
  - Disabling GMRP Forward-All Option
    241
  - Configuring GMRP Registration
    242
    
    Setting Fixed Registration Mode
    242
    
    Setting Normal Registration Mode
    242
    
    Setting Forbidden Registration Mode
    243
  - Setting the GARP Timers
    243
  - Displaying GMRP Statistics
    244
  - Clearing GMRP Statistics
    245
  - Disabling GMRP on the Switch
    245
- Configuring Multicast Router Ports and Group Entries
  246
  - Specifying Multicast Router Ports
    246
  - Configuring Multicast Groups
    246
  - Clearing Multicast Router Ports
    247
  - Clearing Multicast Group Entries
    247
- Understanding How Port Security Works
  249
  - Allowing Traffic Based on the Host MAC Address
    249
Chapter 16 Configuring Port Security

250
Chapter 17 Configuring the IP Permit List

259
Chapter 18 Configuring Protocol Filtering

265
Monitoring and Managing the Switch

269
CHAPTER 19 Checking Port Status and Connectivity 19-1

271
- Checking Module Status
  271
- Checking Port Status
  272
- C H a P T E R 19 Checking Port Status and Connectivity
  273
- Checking Port Capabilities
  274
- Using Telnet
  275
- Changing the Login Timer
  276
- Using Secure Shell Encryption for Telnet Sessions
  276
- Monitoring User Sessions
  277
- Using Ping
  278
  - Understanding How Ping Works
    278
    
    Executing Ping
    279
- Using Layer 2 Traceroute
  280
  - Usage Guidelines
    280
  - Identifying a Layer 2 Path
    281
- Using IP Traceroute
  281
  - Understanding How IP Traceroute Works
    281
  - Executing IP Traceroute
    282
Chapter 20 Configuring CDP

283
- Understanding How CDP Works
  283
- Default CDP Configuration
  283
- Configuring CDP
  284
Chapter 21 Using Switch Topn Reports

289
Chapter 22 Configuring UDLD

295
- Understanding How UDLD Works
  295
- UDLD Software and Hardware Requirements
  296
- Default UDLD Configuration
  297
- Configuring UDLD
  297
  - Enabling UDLD Globally
    297
  - Enabling UDLD on Individual Ports
    298
  - Disabling UDLD on Individual Ports
    298
  - Disabling UDLD Globally
    298
  - Specifying the UDLD Message Interval
    299
  - Enabling UDLD Aggressive Mode
    299
  - Displaying the UDLD Configuration
    300
Chapter 23 Configuring SNMP

303
- SNMP Terminology
  303
- Understanding How SNMP Works
  305
  - Secuirty Models and Levels
    305
  - SNMP Ifindex Persistence Feature
    306
- Understanding How Snmpv1 and Snmpv2C Work
  306
- Snmpv1 and Snmpv2C Default Configuration
  307
- Configuring Snmpv1 and Snmpv2C from an NMS
  307
- Configuring Snmpv1 and Snmpv2C from the CLI
  308
- Understanding Snmpv3
  309
  - Benefits
    309
  - SNMP Entity
    309
    
    Dispatcher
    310
    
    Message Processing Subsystem
    310
    
    Access Control Subsystem
    311
    
    Applications
    311
    
    Security Subsystem
    311
- Configuring Snmpv3 from an NMS
  312
- Configuring Snmpv3 from the CLI
  312
- Using Ciscoworks2000
  315
Chapter 24 Configuring RMON

317
- Understanding How RMON Works
  317
- Enabling RMON
  318
- Viewing RMON Data
  318
- Supported RMON and RMON2 MIB Objects
  318
Chapter 25 Configuring SPAN and RSPAN

321
- Understanding How SPAN and RSPAN Work
  321
  - SPAN Session
    321
  - Destination Port
    322
  - Source Port
    322
  - Reflector Port
    323
  - Ingress SPAN
    323
  - Egress SPAN
    323
- Vspan
  
  323
  - Configuring SPAN
    324
  - SPAN and RSPAN Session Limits
    324
  - SPAN Traffic
    324
  - Trunk VLAN Filtering
    324
  - Understanding How SPAN Works
    324
  - SPAN Configuration Guidelines
    325
  - Configuring SPAN
    326
  - Configuring RSPAN
    328
    
    RSPAN Software and Hardware Requirements
    328
    
    Understanding How RSPAN Work
    328
    
    RSPAN Configuration Guidelines
    329
    
    Configuring RSPAN
    330
    
    Disabling RSPAN Sessions
    333
    
    Configuring a Single RSPAN Session
    334
    
    Modifying an Active RSPAN Session
    334
    
    RSPAN Configuration Examples
    334
    
    Adding RSPAN Source Ports in Intermediate Switches
    335
Administering the Switch

337
Chapter 26 Administering the Switch

339
- Setting the System Name and System Prompt
  339
  - Configuring a Static System Name and Prompt
    340
    
    Setting a Static System Name
    340
    
    Setting a Static System Prompt
    340
    
    Clearing the System Name
    341
- Setting the System Contact and Location
  341
- Setting the System Clock
  342
- Creating a Login Banner
  342
  - Configuring a Login Banner
    342
  - Clearing the Login Banner
    343
- Defining and Using Command Aliases
  343
- Defining and Using IP Aliases
  345
- Configuring Permanent and Static ARP Entries
  345
- Configuring Static Routes
  347
- Scheduling a System Reset
  348
  - Scheduling a Reset at a Specific Time
    348
  - Scheduling a Reset Within a Specified Amount of Time
    349
- Power Management
  349
  - Power Redundancy
    350
    
    Limitations of the 1+1 Redundancy Mode
    350
    
    Power Consumption of Modules
    352
  - Setting the Power Budget
    353
- Generating System Status Reports for Tech Support
  354
Chapter 27 Configuring Switch Access Using AAA

355
- Understanding How Authentication Works
  355
- Understanding How RADIUS Authentication Works
  358
- Understanding How Kerberos Authentication Works
  358
  - Using Kerberized Login Procedure
    360
  - Using a Non-Kerberized Login Procedure
    360
- Understanding How 802.1X Authentication Works
  361
  - Traffic Control
    363
  - Authentication Server
    363
  - 802.1X Parameters Configurable on the Switch
    363
- Configuring Authentication
  363
  - Authentication Default Configuration
    364
  - Authentication Configuration Guidelines
    365
  - Configuring Login Authentication
    366
    
    Setting Authentication Login Attempts on the Switch
    366
    
    Setting Authentication Login Attempts for Privileged Mode
    367
  - Configuring Local Authentication
    367
    
    Enabling Local Authentication
    368
    
    Setting the Login Password
    368
    
    Disabling Local Authentication
    369
    
    Setting the Enable Password
    369
    
    Recovering a Lost Password
    370
  - Configuring TACACS+ Authentication
    371
    
    Specifying TACACS+ Servers
    371
    
    Enabling TACACS+ Authentication
    372
    
    Setting the TACACS+ Timeout Interval
    373
    
    Specifying the TACACS+ Key
    373
    
    Enabling TACACS+ Directed Request
    374
    
    Setting the TACACS+ Login Attempts
    374
    
    Clearing TACACS+ Servers
    375
    
    Disabling TACACS+ Directed Request
    375
    
    Clearing the TACACS+ Key
    376
    
    Disabling TACACS+ Authentication
    376
  - Configuring RADIUS Authentication
    377
    
    Specifying RADIUS Servers
    377
    
    Enabling RADIUS Authentication
    378
    
    Specifying the RADIUS Key
    379
    
    Setting the RADIUS Retransmit Count
    380
    
    Setting the RADIUS Timeout Interval
    380
    
    Setting the RADIUS Dead Time
    381
    
    Clearing RADIUS Servers
    382
    
    Clearing the RADIUS Key
    382
    
    Disabling RADIUS Authentication
    383
  - Configuring Kerberos Authentication
    384
    
    Defining the Kerberos Local-Realm
    385
    
    Enabling Kerberos
    385
    
    Specifying a Kerberos Server
    386
    
    Copying SRVTAB Files
    387
    
    Mapping a Kerberos Realm to a Host Name or DNS Domain
    387
    
    Deleting an SRVTAB Entry
    388
    
    Enabling Credentials Forwarding
    389
    
    Disabling Credentials Forwarding
    390
    
    Defining a Private des Key
    391
    
    Encrypting a Telnet Session
    391
    
    Monitoring and Maintaining Kerberos
    392
  - Configuring 802.1X Authentication
    393
    
    Enabling 802.1X Globally
    393
    
    Disabling 802.1X Globally
    394
    
    Enabling and Initializing 802.1X Authentication for Individual Ports
    394
    
    Setting and Enabling Automatic Reauthentication of the Supplicant
    395
    
    Disabling Multiple Hosts
    396
    
    Enabling Multiple Hosts
    396
    
    Manually Reauthenticating the Supplicant
    396
    
    Frames
    397
    
    Setting the Authenticator-To-Supplicant Retransmission Time for EAP-Request/Identity Frames
    397
    
    Setting the Quiet Period
    397
    
    Layer Packets
    398
    
    Setting the Back-End Authenticator-To-Supplicant Frame-Retransmission Number
    398
    
    Resetting the 802.1X Configuration Parameters to the Default Values
    399
    
    Setting the Trace Severity
    399
    
    Using the Show Commands
    400
- Authentication Example
  401
- Understanding How Authorization Works
  403
  - Authorization Overview
    403
  - Authorization Events
    403
  - TACACS+ Primary Options and Fallback Options
    403
  - TACACS+ Command Authorization
    404
  - RADIUS Authorization
    404
- Configuring Authorization
  405
- Authorization Example
  408
- Understanding How Accounting Works
  409
  - Accounting Overview
    410
  - Accounting Events
    410
  - Specifying When to Create Accounting Records
    411
  - Specifying RADIUS Servers
    411
  - Updating the Server
    412
  - Suppressing Accounting
    412
- Configuring Accounting
  412
  - Accounting Default Configuration
    412
  - Accounting Configuration Guidelines
    413
  - Configuring Accounting
    413
    
    Enabling Accounting
    413
    
    Disabling Accounting
    415
- Accounting Example
  416
Chapter 28 Modifying the Switch Boot Configuration

419
Chapter 29 Working with System Software Images

429
Chapter 30 Using the Flash File System

439
- Using the Flash File System
  439
  - Setting the Default Flash Device
    439
  - Setting the Text File Configuration Mode
    440
  - Listing the Files on a Flash Device
    441
  - Displaying the Contents of a File on a Flash Device
    442
  - Copying Files
    442
  - Deleting Files
    444
  - Restoring Deleted Files
    445
  - Verifying a File Checksum
    445
Chapter 31 Working with Configuration Files

447
Chapter 32 Configuring Switch Acceleration

457
Chapter 33 Configuring System Message Logging

461
Chapter 34 Configuring DNS

471
- Understanding How DNS Works
  471
- DNS Default Configuration
  471
- Configuring DNS
  472
  - Setting up and Enabling DNS
    472
  - Clearing a DNS Server
    473
  - Clearing the DNS Domain Name
    473
  - Disabling DNS
    473
Chapter 35 Configuring NTP

475
- Understanding How NTP Works
  475
- Default NTP Configuration
  476
- Configuring NTP
  476
  - Configuring NTP in Broadcast-Client Mode
    477
  - Configuring NTP in Client Mode
    477
  - Configuring Authentication in Client Mode
    478
  - Setting the Time Zone
    479
  - Enabling the Daylight Saving Time Adjustment
    479
  - Disabling the Daylight Saving Time Adjustment
    481
  - Clearing the Time Zone
    481
  - Clearing NTP Servers
    481
  - Disabling NTP
    482
Appendix

483
A Acronyms

485
Appendix A Acronym

486
I N D E X

495

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