Инструкции для Cisco Systems 3560X

Содержание

• Catalyst 3750-X and 3560-X Switch Software Configuration Guide

  1
• Contents

  3
• Preface

  49
• Overview

  53
  • Features

    53
    • Deployment Features

      54
    • Performance Features

      56
    • Management Options

      57
    • Manageability Features

      58
    • Availability and Redundancy Features

      60
    • VLAN Features

      61
    • Security Features

      61
    • QoS and CoS Features

      64
    • Layer 3 Features

      66
    • Power over Ethernet Features

      67
    • Monitoring Features

      67
  • Default Settings After Initial Switch Configuration

    68
  • Network Configuration Examples

    71
    • Design Concepts for Using the Switch

      71
    • Small to Medium-Sized Network Using Catalyst 3750-X and 3560-X Switches

      78
    • Large Network Using Catalyst 3750-X and 3560-X Switches

      80
    • Multidwelling Network Using Catalyst 3750-X Switches

      83
    • Long-Distance, High-Bandwidth Transport Configuration

      84
  • Where to Go Next

    85
• Using the Command-Line Interface

  87
  • Understanding Command Modes

    87
  • Understanding the Help System

    89
  • Understanding Abbreviated Commands

    89
  • Understanding no and default Forms of Commands

    90
  • Understanding CLI Error Messages

    90
  • Using Configuration Logging

    90
  • Using Command History

    91
    • Changing the Command History Buffer Size

      91
    • Recalling Commands

      92
    • Disabling the Command History Feature

      92
  • Using Editing Features

    92
    • Enabling and Disabling Editing Features

      92
    • Editing Commands through Keystrokes

      93
    • Editing Command Lines that Wrap

      94
  • Searching and Filtering Output of show and more Commands

    95
  • Accessing the CLI

    95
    • Accessing the CLI through a Console Connection or through Telnet

      96
• Assigning the Switch IP Address and Default Gateway

  97
  • Understanding the Boot Process

    97
  • Assigning Switch Information

    98
    • Default Switch Information

      99
    • Understanding DHCP-Based Autoconfiguration

      99
      • DHCP Client Request Process

        100
    • Understanding DHCP-based Autoconfiguration and Image Update

      101
      • DHCP Autoconfiguration

        101
      • DHCP Auto-Image Update

        101
      • Limitations and Restrictions

        102
    • Configuring DHCP-Based Autoconfiguration

      102
      • DHCP Server Configuration Guidelines

        103
      • Configuring the TFTP Server

        103
      • Configuring the DNS

        104
      • Configuring the Relay Device

        104
      • Obtaining Configuration Files

        105
      • Example Configuration

        106
    • Configuring the DHCP Auto Configuration and Image Update Features

      107
      • Configuring DHCP Autoconfiguration (Only Configuration File)

        107
      • Configuring DHCP Auto-Image Update (Configuration File and Image)

        108
      • Configuring the Client

        110
    • Manually Assigning IP Information

      111
  • Checking and Saving the Running Configuration

    111
  • Modifying the Startup Configuration

    112
    • Default Boot Configuration

      113
    • Automatically Downloading a Configuration File

      113
    • Specifying the Filename to Read and Write the System Configuration

      113
    • Booting Manually

      114
    • Booting a Specific Software Image

      115
    • Controlling Environment Variables

      116
  • Scheduling a Reload of the Software Image

    118
    • Configuring a Scheduled Reload

      118
    • Displaying Scheduled Reload Information

      119
• Configuring Cisco IOS Configuration Engine

  121
  • Understanding Cisco Configuration Engine Software

    121
    • Configuration Service

      122
    • Event Service

      123
      • NameSpace Mapper

        123
    • What You Should Know About the CNS IDs and Device Hostnames

      123
      • ConfigID

        123
      • DeviceID

        124
      • Hostname and DeviceID

        124
      • Using Hostname, DeviceID, and ConfigID

        124
  • Understanding Cisco IOS Agents

    125
    • Initial Configuration

      125
    • Incremental (Partial) Configuration

      126
    • Synchronized Configuration

      126
  • Configuring Cisco IOS Agents

    126
    • Enabling Automated CNS Configuration

      126
    • Enabling the CNS Event Agent

      128
    • Enabling the Cisco IOS CNS Agent

      129
      • Enabling an Initial Configuration

        129
      • Enabling a Partial Configuration

        133
  • Displaying CNS Configuration

    134
• Managing Switch Stacks

  135
  • Understanding Switch Stacks

    136
    • Switch Stack Membership

      138
    • Stack Master Election and Re-Election

      139
    • Switch Stack Bridge ID and Router MAC Address

      141
    • Stack Member Numbers

      141
    • Stack Member Priority Values

      142
    • Switch Stack Offline Configuration

      142
      • Effects of Adding a Provisioned Switch to a Switch Stack

        143
      • Effects of Replacing a Provisioned Switch in a Switch Stack

        144
      • Effects of Removing a Provisioned Switch from a Switch Stack

        144
    • Hardware Compatibility and SDM Mismatch Mode in Switch Stacks

      144
    • Switch Stack Software Compatibility Recommendations

      145
    • Stack Protocol Version Compatibility

      145
    • Major Version Number Incompatibility Among Switches

      145
    • Minor Version Number Incompatibility Among Switches

      146
      • Understanding Auto-Upgrade and Auto-Advise

        146
      • Auto-Upgrade and Auto-Advise Example Messages

        147
    • Incompatible Software and Stack Member Image Upgrades

      149
    • Switch Stack Configuration Files

      149
    • Additional Considerations for System-Wide Configuration on Switch Stacks

      150
    • Switch Stack Management Connectivity

      151
      • Connectivity to the Switch Stack Through an IP Address

        151
      • Connectivity to the Switch Stack Through an SSH Session

        151
      • Connectivity to the Switch Stack Through Console Ports or Ethernet Management Ports

        151
      • Connectivity to Specific Stack Members

        152
    • Switch Stack Configuration Scenarios

      152
  • Configuring the Switch Stack

    154
    • Default Switch Stack Configuration

      154
    • Enabling Persistent MAC Address

      154
    • Assigning Stack Member Information

      156
      • Assigning a Stack Member Number

        156
      • Setting the Stack Member Priority Value

        157
      • Provisioning a New Member for a Switch Stack

        157
  • Accessing the CLI of a Specific Stack Member

    159
  • Displaying Switch Stack Information

    159
  • Troubleshooting Stacks

    159
    • Manually Disabling a Stack Port

      160
    • Re-Enabling a Stack Port While Another Member Starts

      160
    • Understanding the show switch stack-ports summary Output

      161
    • Identifying Loopback Problems

      162
      • Software Loopback

        162
      • Software Loopback Example: No Connected Stack Cable

        163
      • Software Loopback Examples: Connected Stack Cables

        163
      • Hardware Loopback

        164
      • Hardware Loopback Example: LINK OK event

        164
      • Hardware Loop Example: LINK NOT OK Event

        165
    • Finding a Disconnected Stack Cable

      166
    • Fixing a Bad Connection Between Stack Ports

      167
• Clustering Switches

  169
  • Understanding Switch Clusters

    170
    • Cluster Command Switch Characteristics

      171
    • Standby Cluster Command Switch Characteristics

      171
    • Candidate Switch and Cluster Member Switch Characteristics

      172
  • Planning a Switch Cluster

    172
    • Automatic Discovery of Cluster Candidates and Members

      173
      • Discovery Through CDP Hops

        173
      • Discovery Through Non-CDP-Capable and Noncluster-Capable Devices

        174
      • Discovery Through Different VLANs

        175
      • Discovery Through Different Management VLANs

        175
      • Discovery Through Routed Ports

        176
      • Discovery of Newly Installed Switches

        177
    • HSRP and Standby Cluster Command Switches

      178
      • Virtual IP Addresses

        179
      • Other Considerations for Cluster Standby Groups

        179
      • Automatic Recovery of Cluster Configuration

        180
    • IP Addresses

      181
    • Hostnames

      181
    • Passwords

      182
    • SNMP Community Strings

      182
    • Switch Clusters and Switch Stacks

      182
    • TACACS+ and RADIUS

      184
    • LRE Profiles

      184
  • Using the CLI to Manage Switch Clusters

    184
    • Catalyst 1900 and Catalyst 2820 CLI Considerations

      185
  • Using SNMP to Manage Switch Clusters

    185
• Administering the Switch

  187
  • Managing the System Time and Date

    187
    • Understanding the System Clock

      188
    • Understanding Network Time Protocol

      188
    • Configuring NTP

      190
      • Default NTP Configuration

        190
      • Configuring NTP Authentication

        190
      • Configuring NTP Associations

        191
      • Configuring NTP Broadcast Service

        192
      • Configuring NTP Access Restrictions

        194
      • Configuring the Source IP Address for NTP Packets

        196
      • Displaying the NTP Configuration

        197
    • Configuring Time and Date Manually

      197
      • Setting the System Clock

        197
      • Displaying the Time and Date Configuration

        198
      • Configuring the Time Zone

        198
      • Configuring Summer Time (Daylight Saving Time)

        199
  • Configuring a System Name and Prompt

    200
    • Default System Name and Prompt Configuration

      201
    • Configuring a System Name

      201
    • Understanding DNS

      201
      • Default DNS Configuration

        202
      • Setting Up DNS

        202
      • Displaying the DNS Configuration

        203
  • Creating a Banner

    203
    • Default Banner Configuration

      203
    • Configuring a Message-of-the-Day Login Banner

      204
    • Configuring a Login Banner

      205
  • Managing the MAC Address Table

    205
    • Building the Address Table

      206
    • MAC Addresses and VLANs

      206
    • MAC Addresses and Switch Stacks

      207
    • Default MAC Address Table Configuration

      207
    • Changing the Address Aging Time

      207
    • Removing Dynamic Address Entries

      208
    • Configuring MAC Address Change Notification Traps

      208
    • Configuring MAC Address Move Notification Traps

      210
    • Configuring MAC Threshold Notification Traps

      211
    • Adding and Removing Static Address Entries

      213
    • Configuring Unicast MAC Address Filtering

      214
    • Disabling MAC Address Learning on a VLAN

      215
    • Displaying Address Table Entries

      216
  • Managing the ARP Table

    217
• Configuring SDM Templates

  219
  • Understanding the SDM Templates

    219
    • Dual IPv4 and IPv6 SDM Templates

      220
    • SDM Templates and Switch Stacks

      221
  • Configuring the Switch SDM Template

    222
    • Default SDM Template

      222
    • SDM Template Configuration Guidelines

      222
    • Setting the SDM Template

      223
  • Displaying the SDM Templates

    224
• Configuring Catalyst 3750-X StackPower

  227
  • Understanding StackPower

    227
    • StackPower Modes

      228
    • Power Priority

      229
    • Load Shedding

      229
      • Immediate Load Shedding Example

        230
  • Configuring Stack Power

    232
    • Configuring Power Stack Parameters

      232
    • Configuring Power Stack Switch Power Parameters

      233
    • Configuring PoE Port Priority

      234
• Configuring Switch-Based Authentication

  235
  • Preventing Unauthorized Access to Your Switch

    235
  • Protecting Access to Privileged EXEC Commands

    236
    • Default Password and Privilege Level Configuration

      236
    • Setting or Changing a Static Enable Password

      237
    • Protecting Enable and Enable Secret Passwords with Encryption

      237
    • Disabling Password Recovery

      239
    • Setting a Telnet Password for a Terminal Line

      240
    • Configuring Username and Password Pairs

      240
    • Configuring Multiple Privilege Levels

      241
      • Setting the Privilege Level for a Command

        242
      • Changing the Default Privilege Level for Lines

        243
      • Logging into and Exiting a Privilege Level

        243
  • Controlling Switch Access with TACACS+

    244
    • Understanding TACACS+

      244
    • TACACS+ Operation

      246
    • Configuring TACACS+

      246
      • Default TACACS+ Configuration

        247
      • Identifying the TACACS+ Server Host and Setting the Authentication Key

        247
      • Configuring TACACS+ Login Authentication

        248
      • Configuring TACACS+ Authorization for Privileged EXEC Access and Network Services

        250
      • Starting TACACS+ Accounting

        251
    • Displaying the TACACS+ Configuration

      251
  • Controlling Switch Access with RADIUS

    251
    • Understanding RADIUS

      252
    • RADIUS Operation

      253
    • RADIUS Change of Authorization

      253
      • Change-of-Authorization Requests

        254
      • CoA Request Response Code

        255
      • CoA Request Commands

        256
      • Stacking Guidelines for Session Termination

        259
    • Configuring RADIUS

      260
      • Default RADIUS Configuration

        261
      • Identifying the RADIUS Server Host

        261
      • Configuring RADIUS Login Authentication

        263
      • Defining AAA Server Groups

        265
      • Configuring RADIUS Authorization for User Privileged Access and Network Services

        267
      • Starting RADIUS Accounting

        268
      • Configuring Settings for All RADIUS Servers

        269
      • Configuring the Switch to Use Vendor-Specific RADIUS Attributes

        269
      • Configuring the Switch for Vendor-Proprietary RADIUS Server Communication

        270
      • Configuring CoA on the Switch

        271
      • Monitoring and Troubleshooting CoA Functionality

        272
      • Configuring RADIUS Server Load Balancing

        273
    • Displaying the RADIUS Configuration

      273
  • Controlling Switch Access with Kerberos

    273
    • Understanding Kerberos

      273
    • Kerberos Operation

      275
      • Authenticating to a Boundary Switch

        276
      • Obtaining a TGT from a KDC

        276
      • Authenticating to Network Services

        276
    • Configuring Kerberos

      276
  • Configuring the Switch for Local Authentication and Authorization

    277
  • Configuring the Switch for Secure Shell

    278
    • Understanding SSH

      279
      • SSH Servers, Integrated Clients, and Supported Versions

        279
      • Limitations

        280
    • Configuring SSH

      280
      • Configuration Guidelines

        280
      • Setting Up the Switch to Run SSH

        280
      • Configuring the SSH Server

        281
    • Displaying the SSH Configuration and Status

      282
  • Configuring the Switch for Secure Socket Layer HTTP

    283
    • Understanding Secure HTTP Servers and Clients

      283
      • Certificate Authority Trustpoints

        283
      • CipherSuites

        285
    • Configuring Secure HTTP Servers and Clients

      285
      • Default SSL Configuration

        285
      • SSL Configuration Guidelines

        286
      • Configuring a CA Trustpoint

        286
      • Configuring the Secure HTTP Server

        287
      • Configuring the Secure HTTP Client

        288
    • Displaying Secure HTTP Server and Client Status

      289
  • Configuring the Switch for Secure Copy Protocol

    289
    • Information About Secure Copy

      290
• Configuring IEEE 802.1x Port-Based Authentication

  291
  • Understanding IEEE 802.1x Port-Based Authentication

    291
    • Device Roles

      293
    • Authentication Process

      294
    • Authentication Initiation and Message Exchange

      296
    • Authentication Manager

      298
      • Port-Based Authentication Methods

        298
      • Per-User ACLs and Filter-Ids

        299
      • Authentication Manager CLI Commands

        299
    • Ports in Authorized and Unauthorized States

      300
    • 802.1x Authentication and Switch Stacks

      301
    • 802.1x Host Mode

      302
    • 802.1x Multiple Authentication Mode

      302
    • MAC Move

      303
    • 802.1x Accounting

      303
    • 802.1x Accounting Attribute-Value Pairs

      303
    • 802.1x Readiness Check

      304
    • 802.1x Authentication with VLAN Assignment

      305
    • 802.1x Authentication with Per-User ACLs

      306
    • 802.1x Authentication with Downloadable ACLs and Redirect URLs

      307
      • Cisco Secure ACS and Attribute-Value Pairs for the Redirect URL

        307
      • Cisco Secure ACS and Attribute-Value Pairs for Downloadable ACLs

        308
    • VLAN ID-based MAC Authentication

      308
    • 802.1x Authentication with Guest VLAN

      309
    • 802.1x Authentication with Restricted VLAN

      310
    • 802.1x Authentication with Inaccessible Authentication Bypass

      310
      • Support on Multiple-Authentication Ports

        311
      • Authentication Results

        311
      • Feature Interactions

        311
    • 802.1x User Distribution

      312
      • 802.1x User Distribution Configuration Guidelines

        313
    • IEEE 802.1x Authentication with Voice VLAN Ports

      313
    • IEEE 802.1x Authentication with Port Security

      314
    • IEEE 802.1x Authentication with Wake-on-LAN

      314
    • IEEE 802.1x Authentication with MAC Authentication Bypass

      315
    • Network Admission Control Layer 2 IEEE 802.1x Validation

      316
    • Flexible Authentication Ordering

      317
    • Open1x Authentication

      317
    • Multidomain Authentication

      317
    • 802.1x Supplicant and Authenticator Switches with Network Edge Access Topology (NEAT)

      319
      • Guidelines

        319
    • Voice Aware 802.1x Security

      320
    • Common Session ID

      320
    • Understanding Media Access Control Security and MACsec Key Agreement

      321
      • MKA Policies

        322
      • Virtual Ports

        322
      • MACsec and Stacking

        322
      • MACsec, MKA and 802.1x Host Modes

        323
      • MKA Statistics

        324
  • Configuring 802.1x Authentication

    324
    • Default 802.1x Authentication Configuration

      325
    • 802.1x Authentication Configuration Guidelines

      326
      • 802.1x Authentication

        326
      • VLAN Assignment, Guest VLAN, Restricted VLAN, and Inaccessible Authentication Bypass

        327
      • MAC Authentication Bypass

        328
      • Maximum Number of Allowed Devices Per Port

        328
    • Configuring 802.1x Readiness Check

      328
    • Configuring Voice Aware 802.1x Security

      329
    • Configuring 802.1x Violation Modes

      331
    • Configuring 802.1x Authentication

      331
    • Configuring the Switch-to-RADIUS-Server Communication

      333
    • Configuring the Host Mode

      334
    • Configuring Periodic Re-Authentication

      335
    • Manually Re-Authenticating a Client Connected to a Port

      336
    • Changing the Quiet Period

      337
    • Changing the Switch-to-Client Retransmission Time

      337
    • Setting the Switch-to-Client Frame-Retransmission Number

      338
    • Setting the Re-Authentication Number

      339
    • Enabling MAC Move

      339
    • Configuring 802.1x Accounting

      340
    • Configuring a Guest VLAN

      341
    • Configuring a Restricted VLAN

      342
    • Configuring the Inaccessible Authentication Bypass Feature

      343
    • Configuring 802.1x Authentication with WoL

      346
    • Configuring MAC Authentication Bypass

      346
    • Configuring 802.1x User Distribution

      347
    • Configuring NAC Layer 2 IEEE 802.1x Validation

      348
    • Configuring an Authenticator and a Supplicant Switch with NEAT

      349
      • Configuring NEAT with ASP

        351
    • Configuring 802.1x Authentication with Downloadable ACLs and Redirect URLs

      351
      • Configuring Downloadable ACLs

        351
      • Configuring a Downloadable Policy

        352
    • Configuring VLAN ID-based MAC Authentication

      353
    • Configuring Flexible Authentication Ordering

      354
    • Configuring Open1x

      354
    • Configuring a Web Authentication Local Banner

      355
    • Disabling 802.1x Authentication on the Port

      356
    • Resetting the 802.1x Authentication Configuration to the Default Values

      356
    • Configuring MKA and MACsec

      357
      • Configuring an MKA Policy

        357
      • Configuring MACsec on an Interface

        357
  • Displaying 802.1x Statistics and Status

    359
• Configuring Web-Based Authentication

  361
  • Understanding Web-Based Authentication

    361
    • Device Roles

      362
    • Host Detection

      362
    • Session Creation

      363
    • Authentication Process

      363
    • Local Web Authentication Banner

      364
    • Web Authentication Customizable Web Pages

      366
      • Guidelines

        366
    • Web-based Authentication Interactions with Other Features

      367
      • Port Security

        367
      • LAN Port IP

        368
      • Gateway IP

        368
      • ACLs

        368
      • Context-Based Access Control

        368
      • 802.1x Authentication

        368
      • EtherChannel

        368
  • Configuring Web-Based Authentication

    369
    • Default Web-Based Authentication Configuration

      369
    • Web-Based Authentication Configuration Guidelines and Restrictions

      369
    • Web-Based Authentication Configuration Task List

      370
    • Configuring the Authentication Rule and Interfaces

      370
    • Configuring AAA Authentication

      371
    • Configuring Switch-to-RADIUS-Server Communication

      371
    • Configuring the HTTP Server

      373
      • Customizing the Authentication Proxy Web Pages

        373
      • Specifying a Redirection URL for Successful Login

        375
    • Configuring an AAA Fail Policy

      375
    • Configuring the Web-Based Authentication Parameters

      376
    • Configuring a Web Authentication Local Banner

      376
    • Removing Web-Based Authentication Cache Entries

      377
  • Displaying Web-Based Authentication Status

    377
• Configuring Interface Characteristics

  379
  • Interface Types

    379
    • Port-Based VLANs

      380
    • Switch Ports

      380
      • Access Ports

        381
      • Trunk Ports

        381
      • Tunnel Ports

        382
    • Routed Ports

      382
    • Switch Virtual Interfaces

      383
      • SVI Autostate Exclude

        384
    • EtherChannel Port Groups

      384
    • 10-Gigabit Ethernet Interfaces

      385
    • Power over Ethernet Ports

      385
      • Supported Protocols and Standards

        385
      • Powered-Device Detection and Initial Power Allocation

        386
      • Power Management Modes

        387
      • Power Monitoring and Power Policing

        388
    • Connecting Interfaces

      390
  • Using the Switch USB Ports

    391
    • USB Mini-Type B Console Port

      391
      • Console Port Change Logs

        391
      • Configuring the Console Media Type

        392
      • Configuring the USB Inactivity Timeout

        393
    • USB Type A Port

      394
  • Using Interface Configuration Mode

    395
    • Procedures for Configuring Interfaces

      396
    • Configuring a Range of Interfaces

      397
    • Configuring and Using Interface Range Macros

      399
  • Using the Ethernet Management Port

    400
    • Understanding the Ethernet Management Port

      401
    • Supported Features on the Ethernet Management Port

      403
    • Configuring the Ethernet Management Port

      403
    • TFTP and the Ethernet Management Port

      404
  • Configuring Ethernet Interfaces

    404
    • Default Ethernet Interface Configuration

      405
    • Configuring Interface Speed and Duplex Mode

      406
      • Speed and Duplex Configuration Guidelines

        406
      • Setting the Interface Speed and Duplex Parameters

        407
    • Configuring IEEE 802.3x Flow Control

      408
    • Configuring Auto-MDIX on an Interface

      409
    • Configuring a Power Management Mode on a PoE Port

      410
    • Budgeting Power for Devices Connected to a PoE Port

      411
    • Configuring Power Policing

      413
    • Adding a Description for an Interface

      414
  • Configuring Layer 3 Interfaces

    415
    • Configuring SVI Autostate Exclude

      417
  • Configuring the System MTU

    417
  • Configuring the Cisco RPS 2300 in a Mixed Stack

    420
  • Configuring the Power Supplies

    422
  • Monitoring and Maintaining the Interfaces

    423
    • Monitoring Interface Status

      423
    • Clearing and Resetting Interfaces and Counters

      424
    • Shutting Down and Restarting the Interface

      425
• Configuring Auto Smartports Macros

  427
  • Understanding Auto Smartports and Static Smartports Macros

    427
    • Auto Smartports and Cisco Medianet

      428
  • Configuring Auto Smartports

    429
    • Default Auto Smartports Configuration

      429
    • Auto Smartports Configuration Guidelines

      430
    • Enabling Auto Smartports

      431
    • Configuring Auto Smartports Default Parameter Values

      432
    • Configuring Auto Smartports MAC-Address Groups

      433
    • Configuring Auto Smartports Macro Persistent

      434
    • Configuring Auto Smartports Built-In Macro Options

      435
    • Creating User-Defined Event Triggers

      437
    • Configuring Auto Smartports User-Defined Macros

      441
  • Configuring Static Smartports Macros

    443
    • Default Static Smartports Configuration

      443
    • Static Smartports Configuration Guidelines

      443
    • Applying Static Smartports Macros

      444
  • Displaying Auto Smartports and Static Smartports Macros

    446
• Configuring VLANs

  447
  • Understanding VLANs

    447
    • Supported VLANs

      448
    • VLAN Port Membership Modes

      449
  • Configuring Normal-Range VLANs

    450
    • Token Ring VLANs

      451
    • Normal-Range VLAN Configuration Guidelines

      451
    • Configuring Normal-Range VLANs

      452
    • Saving VLAN Configuration

      452
    • Default Ethernet VLAN Configuration

      453
    • Creating or Modifying an Ethernet VLAN

      453
    • Deleting a VLAN

      454
    • Assigning Static-Access Ports to a VLAN

      455
  • Configuring Extended-Range VLANs

    456
    • Default VLAN Configuration

      456
    • Extended-Range VLAN Configuration Guidelines

      456
    • Creating an Extended-Range VLAN

      457
    • Creating an Extended-Range VLAN with an Internal VLAN ID

      459
  • Displaying VLANs

    460
  • Configuring VLAN Trunks

    460
    • Trunking Overview

      460
      • Encapsulation Types

        462
      • IEEE 802.1Q Configuration Considerations

        463
    • Default Layer 2 Ethernet Interface VLAN Configuration

      463
    • Configuring an Ethernet Interface as a Trunk Port

      463
      • Interaction with Other Features

        464
      • Configuring a Trunk Port

        464
      • Defining the Allowed VLANs on a Trunk

        465
      • Changing the Pruning-Eligible List

        466
      • Configuring the Native VLAN for Untagged Traffic

        467
    • Configuring Trunk Ports for Load Sharing

      468
      • Load Sharing Using STP Port Priorities

        468
      • Load Sharing Using STP Path Cost

        470
  • Configuring VMPS

    471
    • Understanding VMPS

      472
      • Dynamic-Access Port VLAN Membership

        472
    • Default VMPS Client Configuration

      473
    • VMPS Configuration Guidelines

      473
    • Configuring the VMPS Client

      474
      • Entering the IP Address of the VMPS

        474
      • Configuring Dynamic-Access Ports on VMPS Clients

        474
      • Reconfirming VLAN Memberships

        475
      • Changing the Reconfirmation Interval

        475
      • Changing the Retry Count

        476
    • Monitoring the VMPS

      476
    • Troubleshooting Dynamic-Access Port VLAN Membership

      477
    • VMPS Configuration Example

      477
• Configuring VTP

  479
  • Understanding VTP

    479
    • The VTP Domain

      480
    • VTP Modes

      481
    • VTP Advertisements

      482
    • VTP Version 2

      482
    • VTP Version 3

      483
    • VTP Pruning

      484
    • VTP and Switch Stacks

      485
  • Configuring VTP

    486
    • Default VTP Configuration

      486
    • VTP Configuration Guidelines

      487
      • Domain Names

        487
      • Passwords

        487
      • VTP Version

        488
      • Configuration Requirements

        489
    • Configuring VTP Mode

      489
      • Configuring a VTP Version 3 Password

        491
      • Configuring a VTP Version 3 Primary Server

        492
    • Enabling the VTP Version

      492
    • Enabling VTP Pruning

      493
    • Configuring VTP on a Per-Port Basis

      494
    • Adding a VTP Client Switch to a VTP Domain

      494
  • Monitoring VTP

    495
• Configuring Voice VLAN

  497
  • Understanding Voice VLAN

    497
    • Cisco IP Phone Voice Traffic

      498
    • Cisco IP Phone Data Traffic

      498
  • Configuring Voice VLAN

    499
    • Default Voice VLAN Configuration

      499
    • Voice VLAN Configuration Guidelines

      499
    • Configuring a Port Connected to a Cisco 7960 IP Phone

      500
      • Configuring Cisco IP Phone Voice Traffic

        501
      • Configuring the Priority of Incoming Data Frames

        502
  • Displaying Voice VLAN

    503
• Configuring Private VLANs

  505
  • Understanding Private VLANs

    505
    • IP Addressing Scheme with Private VLANs

      507
    • Private VLANs across Multiple Switches

      508
    • Private-VLAN Interaction with Other Features

      508
      • Private VLANs and Unicast, Broadcast, and Multicast Traffic

        508
      • Private VLANs and SVIs

        509
      • Private VLANs and Switch Stacks

        509
  • Configuring Private VLANs

    509
    • Tasks for Configuring Private VLANs

      510
    • Default Private-VLAN Configuration

      510
    • Private-VLAN Configuration Guidelines

      510
      • Secondary and Primary VLAN Configuration

        510
      • Private-VLAN Port Configuration

        512
      • Limitations with Other Features

        512
    • Configuring and Associating VLANs in a Private VLAN

      513
    • Configuring a Layer 2 Interface as a Private-VLAN Host Port

      515
    • Configuring a Layer 2 Interface as a Private-VLAN Promiscuous Port

      516
    • Mapping Secondary VLANs to a Primary VLAN Layer 3 VLAN Interface

      517
  • Monitoring Private VLANs

    518
• Configuring IEEE 802.1Q and Layer 2 Protocol Tunneling

  519
  • Understanding IEEE 802.1Q Tunneling

    519
  • Configuring IEEE 802.1Q Tunneling

    522
    • Default IEEE 802.1Q Tunneling Configuration

      522
    • IEEE 802.1Q Tunneling Configuration Guidelines

      522
      • Native VLANs

        522
      • System MTU

        523
    • IEEE 802.1Q Tunneling and Other Features

      524
    • Configuring an IEEE 802.1Q Tunneling Port

      525
  • Understanding Layer 2 Protocol Tunneling

    526
  • Configuring Layer 2 Protocol Tunneling

    528
    • Default Layer 2 Protocol Tunneling Configuration

      529
    • Layer 2 Protocol Tunneling Configuration Guidelines

      530
    • Configuring Layer 2 Protocol Tunneling

      531
    • Configuring Layer 2 Tunneling for EtherChannels

      532
      • Configuring the SP Edge Switch

        532
      • Configuring the Customer Switch

        534
  • Monitoring and Maintaining Tunneling Status

    536
• Configuring STP

  537
  • Understanding Spanning-Tree Features

    537
    • STP Overview

      538
    • Spanning-Tree Topology and BPDUs

      539
    • Bridge ID, Switch Priority, and Extended System ID

      540
    • Spanning-Tree Interface States

      541
      • Blocking State

        542
      • Listening State

        543
      • Learning State

        543
      • Forwarding State

        543
      • Disabled State

        543
    • How a Switch or Port Becomes the Root Switch or Root Port

      544
    • Spanning Tree and Redundant Connectivity

      544
    • Spanning-Tree Address Management

      544
    • Accelerated Aging to Retain Connectivity

      545
    • Spanning-Tree Modes and Protocols

      545
    • Supported Spanning-Tree Instances

      546
    • Spanning-Tree Interoperability and Backward Compatibility

      546
    • STP and IEEE 802.1Q Trunks

      546
    • VLAN-Bridge Spanning Tree

      547
    • Spanning Tree and Switch Stacks

      547
  • Configuring Spanning-Tree Features

    548
    • Default Spanning-Tree Configuration

      548
    • Spanning-Tree Configuration Guidelines

      549
    • Changing the Spanning-Tree Mode.

      550
    • Disabling Spanning Tree

      551
    • Configuring the Root Switch

      551
    • Configuring a Secondary Root Switch

      553
    • Configuring Port Priority

      554
    • Configuring Path Cost

      556
    • Configuring the Switch Priority of a VLAN

      557
    • Configuring Spanning-Tree Timers

      558
      • Configuring the Hello Time

        558
      • Configuring the Forwarding-Delay Time for a VLAN

        559
      • Configuring the Maximum-Aging Time for a VLAN

        559
      • Configuring the Transmit Hold-Count

        560
  • Displaying the Spanning-Tree Status

    560
• Configuring MSTP

  561
  • Understanding MSTP

    562
    • Multiple Spanning-Tree Regions

      562
    • IST, CIST, and CST

      562
      • Operations Within an MST Region

        563
      • Operations Between MST Regions

        563
      • IEEE 802.1s Terminology

        565
    • Hop Count

      565
    • Boundary Ports

      566
    • IEEE 802.1s Implementation

      566
      • Port Role Naming Change

        566
      • Interoperation Between Legacy and Standard Switches

        567
      • Detecting Unidirectional Link Failure

        567
    • MSTP and Switch Stacks

      568
    • Interoperability with IEEE 802.1D STP

      568
  • Understanding RSTP

    569
    • Port Roles and the Active Topology

      569
    • Rapid Convergence

      570
    • Synchronization of Port Roles

      571
    • Bridge Protocol Data Unit Format and Processing

      572
      • Processing Superior BPDU Information

        573
      • Processing Inferior BPDU Information

        573
    • Topology Changes

      573
  • Configuring MSTP Features

    574
    • Default MSTP Configuration

      574
    • MSTP Configuration Guidelines

      575
    • Specifying the MST Region Configuration and Enabling MSTP

      576
    • Configuring the Root Switch

      578
    • Configuring a Secondary Root Switch

      579
    • Configuring Port Priority

      580
    • Configuring Path Cost

      581
    • Configuring the Switch Priority

      582
    • Configuring the Hello Time

      583
    • Configuring the Forwarding-Delay Time

      584
    • Configuring the Maximum-Aging Time

      584
    • Configuring the Maximum-Hop Count

      585
    • Specifying the Link Type to Ensure Rapid Transitions

      585
    • Designating the Neighbor Type

      586
    • Restarting the Protocol Migration Process

      586
  • Displaying the MST Configuration and Status

    587
• Configuring Optional Spanning-Tree Features

  589
  • Understanding Optional Spanning-Tree Features

    589
    • Understanding Port Fast

      590
    • Understanding BPDU Guard

      590
    • Understanding BPDU Filtering

      591
    • Understanding UplinkFast

      591
    • Understanding Cross-Stack UplinkFast

      593
      • How CSUF Works

        594
      • Events that Cause Fast Convergence

        595
    • Understanding BackboneFast

      595
    • Understanding EtherChannel Guard

      598
    • Understanding Root Guard

      598
    • Understanding Loop Guard

      599
  • Configuring Optional Spanning-Tree Features

    599
    • Default Optional Spanning-Tree Configuration

      600
    • Optional Spanning-Tree Configuration Guidelines

      600
    • Enabling Port Fast

      600
    • Enabling BPDU Guard

      601
    • Enabling BPDU Filtering

      602
    • Enabling UplinkFast for Use with Redundant Links

      603
    • Enabling Cross-Stack UplinkFast

      604
    • Enabling BackboneFast

      604
    • Enabling EtherChannel Guard

      605
    • Enabling Root Guard

      606
    • Enabling Loop Guard

      606
  • Displaying the Spanning-Tree Status

    607
• Configuring Flex Links and the MAC Address-Table Move Update Feature

  609
  • Understanding Flex Links and the MAC Address-Table Move Update

    609
    • Flex Links

      609
    • VLAN Flex Link Load Balancing and Support

      610
    • Flex Link Multicast Fast Convergence

      611
      • Learning the Other Flex Link Port as the mrouter Port

        611
      • Generating IGMP Reports

        611
      • Leaking IGMP Reports

        612
    • MAC Address-Table Move Update

      614
  • Configuring Flex Links and MAC Address-Table Move Update

    615
    • Configuration Guidelines

      615
    • Default Configuration

      616
    • Configuring Flex Links

      616
    • Configuring VLAN Load Balancing on Flex Links

      618
    • Configuring the MAC Address-Table Move Update Feature

      620
  • Monitoring Flex Links and the MAC Address-Table Move Update

    622
• Configuring DHCP Features and IP Source Guard

  623
  • Understanding DHCP Features

    623
    • DHCP Server

      624
    • DHCP Relay Agent

      624
    • DHCP Snooping

      624
    • Option-82 Data Insertion

      625
    • Cisco IOS DHCP Server Database

      628
    • DHCP Snooping Binding Database

      628
    • DHCP Snooping and Switch Stacks

      629
  • Configuring DHCP Features

    630
    • Default DHCP Configuration

      630
    • DHCP Snooping Configuration Guidelines

      631
    • Configuring the DHCP Server

      632
    • DHCP Server and Switch Stacks

      632
    • Configuring the DHCP Relay Agent

      633
    • Specifying the Packet Forwarding Address

      633
    • Enabling DHCP Snooping and Option 82

      634
    • Enabling DHCP Snooping on Private VLANs

      636
    • Enabling the Cisco IOS DHCP Server Database

      636
    • Enabling the DHCP Snooping Binding Database Agent

      637
  • Displaying DHCP Snooping Information

    638
  • Understanding IP Source Guard

    638
    • Source IP Address Filtering

      639
    • Source IP and MAC Address Filtering

      639
    • IP Source Guard for Static Hosts

      639
  • Configuring IP Source Guard

    640
    • Default IP Source Guard Configuration

      640
    • IP Source Guard Configuration Guidelines

      640
    • Enabling IP Source Guard

      641
    • Configuring IP Source Guard for Static Hosts

      642
      • Configuring IP Source Guard for Static Hosts on a Layer 2 Access Port

        642
      • Configuring IP Source Guard for Static Hosts on a Private VLAN Host Port

        646
  • Displaying IP Source Guard Information

    647
  • Understanding DHCP Server Port-Based Address Allocation

    648
  • Configuring DHCP Server Port-Based Address Allocation

    648
    • Default Port-Based Address Allocation Configuration

      648
    • Port-Based Address Allocation Configuration Guidelines

      648
    • Enabling DHCP Server Port-Based Address Allocation

      649
  • Displaying DHCP Server Port-Based Address Allocation

    651
• Configuring Dynamic ARP Inspection

  653
  • Understanding Dynamic ARP Inspection

    653
    • Interface Trust States and Network Security

      655
    • Rate Limiting of ARP Packets

      656
    • Relative Priority of ARP ACLs and DHCP Snooping Entries

      656
    • Logging of Dropped Packets

      657
  • Configuring Dynamic ARP Inspection

    657
    • Default Dynamic ARP Inspection Configuration

      657
    • Dynamic ARP Inspection Configuration Guidelines

      658
    • Configuring Dynamic ARP Inspection in DHCP Environments

      659
    • Configuring ARP ACLs for Non-DHCP Environments

      660
    • Limiting the Rate of Incoming ARP Packets

      662
    • Performing Validation Checks

      664
    • Configuring the Log Buffer

      665
  • Displaying Dynamic ARP Inspection Information

    666
• Configuring IGMP Snooping and MVR

  669
  • Understanding IGMP Snooping

    670
    • IGMP Versions

      671
    • Joining a Multicast Group

      671
    • Leaving a Multicast Group

      672
    • Immediate Leave

      673
    • IGMP Configurable-Leave Timer

      673
    • IGMP Report Suppression

      673
    • IGMP Snooping and Switch Stacks

      674
  • Configuring IGMP Snooping

    674
    • Default IGMP Snooping Configuration

      674
    • Enabling or Disabling IGMP Snooping

      675
    • Setting the Snooping Method

      675
    • Configuring a Multicast Router Port

      676
    • Configuring a Host Statically to Join a Group

      677
    • Enabling IGMP Immediate Leave

      678
    • Configuring the IGMP Leave Timer

      678
    • Configuring TCN-Related Commands

      679
      • Controlling the Multicast Flooding Time After a TCN Event

        679
      • Recovering from Flood Mode

        680
      • Disabling Multicast Flooding During a TCN Event

        680
    • Configuring the IGMP Snooping Querier

      681
    • Disabling IGMP Report Suppression

      682
  • Displaying IGMP Snooping Information

    683
  • Understanding Multicast VLAN Registration

    684
    • Using MVR in a Multicast Television Application

      685
  • Configuring MVR

    687
    • Default MVR Configuration

      687
    • MVR Configuration Guidelines and Limitations

      687
    • Configuring MVR Global Parameters

      688
    • Configuring MVR Interfaces

      689
  • Displaying MVR Information

    690
  • Configuring IGMP Filtering and Throttling

    691
    • Default IGMP Filtering and Throttling Configuration

      691
    • Configuring IGMP Profiles

      692
    • Applying IGMP Profiles

      693
    • Setting the Maximum Number of IGMP Groups

      694
    • Configuring the IGMP Throttling Action

      694
  • Displaying IGMP Filtering and Throttling Configuration

    696
• Configuring IPv6 MLD Snooping

  697
  • Understanding MLD Snooping

    697
    • MLD Messages

      699
    • MLD Queries

      699
    • Multicast Client Aging Robustness

      699
    • Multicast Router Discovery

      700
    • MLD Reports

      700
    • MLD Done Messages and Immediate-Leave

      700
    • Topology Change Notification Processing

      701
    • MLD Snooping in Switch Stacks

      701
  • Configuring IPv6 MLD Snooping

    701
    • Default MLD Snooping Configuration

      702
    • MLD Snooping Configuration Guidelines

      702
    • Enabling or Disabling MLD Snooping

      703
    • Configuring a Static Multicast Group

      704
    • Configuring a Multicast Router Port

      704
    • Enabling MLD Immediate Leave

      705
    • Configuring MLD Snooping Queries

      706
    • Disabling MLD Listener Message Suppression

      707
  • Displaying MLD Snooping Information

    708
• Configuring Port-Based Traffic Control

  709
  • Configuring Storm Control

    709
    • Understanding Storm Control

      709
    • Default Storm Control Configuration

      711
    • Configuring Storm Control and Threshold Levels

      711
    • Configuring Small-Frame Arrival Rate

      713
  • Configuring Protected Ports

    714
    • Default Protected Port Configuration

      714
    • Protected Port Configuration Guidelines

      715
    • Configuring a Protected Port

      715
  • Configuring Port Blocking

    715
    • Default Port Blocking Configuration

      716
    • Blocking Flooded Traffic on an Interface

      716
  • Configuring Port Security

    716
    • Understanding Port Security

      717
      • Secure MAC Addresses

        717
      • Security Violations

        718
    • Default Port Security Configuration

      719
    • Port Security Configuration Guidelines

      719
    • Enabling and Configuring Port Security

      721
    • Enabling and Configuring Port Security Aging

      725
    • Port Security and Switch Stacks

      726
    • Port Security and Private VLANs

      726
  • Displaying Port-Based Traffic Control Settings

    727
• Configuring CDP

  729
  • Understanding CDP

    729
    • CDP and Switch Stacks

      730
  • Configuring CDP

    730
    • Default CDP Configuration

      730
    • Configuring the CDP Characteristics

      730
    • Disabling and Enabling CDP

      731
    • Disabling and Enabling CDP on an Interface

      732
  • Monitoring and Maintaining CDP

    733
• Configuring LLDP, LLDP-MED, and Wired Location Service

  735
  • Understanding LLDP, LLDP-MED, and Wired Location Service

    735
    • LLDP

      735
    • LLDP-MED

      736
    • Wired Location Service

      737
  • Configuring LLDP, LLDP-MED, and Wired Location Service

    739
    • Default LLDP Configuration

      739
    • Configuration Guidelines

      739
    • Enabling LLDP

      740
    • Configuring LLDP Characteristics

      740
    • Configuring LLDP-MED TLVs

      741
    • Configuring Network-Policy TLV

      742
    • Configuring Location TLV and Wired Location Service

      743
  • Monitoring and Maintaining LLDP, LLDP-MED, and Wired Location Service

    745
• Configuring UDLD

  747
  • Understanding UDLD

    747
    • Modes of Operation

      747
    • Methods to Detect Unidirectional Links

      748
  • Configuring UDLD

    750
    • Default UDLD Configuration

      750
    • Configuration Guidelines

      750
    • Enabling UDLD Globally

      751
    • Enabling UDLD on an Interface

      752
    • Resetting an Interface Disabled by UDLD

      752
  • Displaying UDLD Status

    753
• Configuring SPAN and RSPAN

  755
  • Understanding SPAN and RSPAN

    755
    • Local SPAN

      756
    • Remote SPAN

      757
    • SPAN and RSPAN Concepts and Terminology

      758
      • SPAN Sessions

        758
      • Monitored Traffic

        760
      • Source Ports

        761
      • Source VLANs

        761
      • VLAN Filtering

        761
      • Destination Port

        762
      • RSPAN VLAN

        763
    • SPAN and RSPAN Interaction with Other Features

      763
    • SPAN and RSPAN and Switch Stacks

      764
  • Understanding Flow-Based SPAN

    765
  • Configuring SPAN and RSPAN

    766
    • Default SPAN and RSPAN Configuration

      766
    • Configuring Local SPAN

      766
      • SPAN Configuration Guidelines

        766
      • Creating a Local SPAN Session

        767
      • Creating a Local SPAN Session and Configuring Incoming Traffic

        769
      • Specifying VLANs to Filter

        770
    • Configuring RSPAN

      771
      • RSPAN Configuration Guidelines

        771
      • Configuring a VLAN as an RSPAN VLAN

        772
      • Creating an RSPAN Source Session

        773
      • Specifying VLANs to Filter

        774
      • Creating an RSPAN Destination Session

        775
      • Creating an RSPAN Destination Session and Configuring Incoming Traffic

        776
  • Configuring FSPAN and FRSPAN

    778
    • FSPAN and FRSPAN Configuration Guidelines

      778
    • Configuring an FSPAN Session

      779
    • Configuring an FRSPAN Session

      780
  • Displaying SPAN, RSPAN. FSPAN, and FRSPAN Status

    782
• Configuring RMON

  783
  • Understanding RMON

    783
  • Configuring RMON

    784
    • Default RMON Configuration

      785
    • Configuring RMON Alarms and Events

      785
    • Collecting Group History Statistics on an Interface

      787
    • Collecting Group Ethernet Statistics on an Interface

      787
  • Displaying RMON Status

    788
• Configuring System Message Logging

  789
  • Understanding System Message Logging

    789
  • Configuring System Message Logging

    790
    • System Log Message Format

      790
    • Default System Message Logging Configuration

      792
    • Disabling Message Logging

      792
    • Setting the Message Display Destination Device

      793
    • Synchronizing Log Messages

      794
    • Enabling and Disabling Time Stamps on Log Messages

      796
    • Enabling and Disabling Sequence Numbers in Log Messages

      796
    • Defining the Message Severity Level

      797
    • Limiting Syslog Messages Sent to the History Table and to SNMP

      798
    • Enabling the Configuration-Change Logger

      799
    • Configuring UNIX Syslog Servers

      800
      • Logging Messages to a UNIX Syslog Daemon

        800
      • Configuring the UNIX System Logging Facility

        801
  • Displaying the Logging Configuration

    802
• Configuring SNMP

  803
  • Understanding SNMP

    803
    • SNMP Versions

      804
    • SNMP Manager Functions

      805
    • SNMP Agent Functions

      806
    • SNMP Community Strings

      806
    • Using SNMP to Access MIB Variables

      806
    • SNMP Notifications

      807
    • SNMP ifIndex MIB Object Values

      807
  • Configuring SNMP

    808
    • Default SNMP Configuration

      808
    • SNMP Configuration Guidelines

      809
    • Disabling the SNMP Agent

      809
    • Configuring Community Strings

      810
    • Configuring SNMP Groups and Users

      811
    • Configuring SNMP Notifications

      814
    • Setting the CPU Threshold Notification Types and Values

      818
    • Setting the Agent Contact and Location Information

      818
    • Limiting TFTP Servers Used Through SNMP

      819
    • SNMP Examples

      820
  • Displaying SNMP Status

    821
• Configuring Embedded Event Manager

  823
  • Understanding Embedded Event Manager

    823
    • Event Detectors

      825
    • Embedded Event Manager Actions

      826
    • Embedded Event Manager Policies

      826
    • Embedded Event Manager Environment Variables

      827
    • EEM 3.2

      827
  • Configuring Embedded Event Manager

    828
    • Registering and Defining an Embedded Event Manager Applet

      828
    • Registering and Defining an Embedded Event Manager TCL Script

      829
  • Displaying Embedded Event Manager Information

    830
• Configuring Network Security with ACLs

  831
  • Understanding ACLs

    832
    • Supported ACLs

      832
      • Port ACLs

        833
      • Router ACLs

        834
      • VLAN Maps

        835
    • Handling Fragmented and Unfragmented Traffic

      835
    • ACLs and Switch Stacks

      836
  • Configuring IPv4 ACLs

    837
    • Creating Standard and Extended IPv4 ACLs

      838
      • Access List Numbers

        838
      • ACL Logging

        839
      • Creating a Numbered Standard ACL

        840
      • Creating a Numbered Extended ACL

        841
      • Resequencing ACEs in an ACL

        845
      • Creating Named Standard and Extended ACLs

        845
      • Using Time Ranges with ACLs

        847
      • Including Comments in ACLs

        849
    • Applying an IPv4 ACL to a Terminal Line

      849
    • Applying an IPv4 ACL to an Interface

      850
    • Hardware and Software Treatment of IP ACLs

      852
    • Troubleshooting ACLs

      852
    • IPv4 ACL Configuration Examples

      853
      • ACLs in a Small Networked Office

        854
      • Numbered ACLs

        855
      • Extended ACLs

        855
      • Named ACLs

        856
      • Time Range Applied to an IP ACL

        856
      • Commented IP ACL Entries

        856
      • ACL Logging

        857
  • Creating Named MAC Extended ACLs

    858
    • Applying a MAC ACL to a Layer 2 Interface

      860
  • Configuring VLAN Maps

    861
    • VLAN Map Configuration Guidelines

      861
    • Creating a VLAN Map

      862
      • Examples of ACLs and VLAN Maps

        863
    • Applying a VLAN Map to a VLAN

      865
    • Using VLAN Maps in Your Network

      865
      • Wiring Closet Configuration

        865
      • Denying Access to a Server on Another a VLAN

        866
  • Using VLAN Maps with Router ACLs

    867
    • VLAN Maps and Router ACL Configuration Guidelines

      868
    • Examples of Router ACLs and VLAN Maps Applied to VLANs

      869
      • ACLs and Switched Packets

        869
      • ACLs and Bridged Packets

        869
      • ACLs and Routed Packets

        870
      • ACLs and Multicast Packets

        871
  • Displaying IPv4 ACL Configuration

    871
• Configuring IPv6 ACLs

  873
  • Understanding IPv6 ACLs

    874
    • Supported ACL Features

      874
    • IPv6 ACL Limitations

      875
    • IPv6 ACLs and Switch Stacks

      875
  • Configuring IPv6 ACLs

    876
    • Default IPv6 ACL Configuration

      876
    • Interaction with Other Features and Switches

      876
    • Creating IPv6 ACLs

      877
    • Applying an IPv6 ACL to an Interface

      879
  • Displaying IPv6 ACLs

    880
• Configuring QoS

  881
  • Understanding QoS

    882
    • Basic QoS Model

      884
    • Classification

      885
      • Classification Based on QoS ACLs

        887
      • Classification Based on Class Maps and Policy Maps

        888
    • Policing and Marking

      889
      • Policing on Physical Ports

        890
      • Policing on SVIs

        891
    • Mapping Tables

      893
    • Queueing and Scheduling Overview

      894
      • Weighted Tail Drop

        895
      • SRR Shaping and Sharing

        895
      • Queueing and Scheduling on Ingress Queues

        896
      • Queueing and Scheduling on Egress Queues

        899
    • Packet Modification

      902
  • Configuring Auto-QoS

    903
    • Generated Auto-QoS Configuration

      904
    • Effects of Auto-QoS on the Configuration

      908
    • Auto-QoS Configuration Guidelines

      908
    • Enabling Auto-QoS for VoIP

      909
    • Auto-QoS Configuration Example

      910
  • Displaying Auto-QoS Information

    913
  • Configuring Standard QoS

    913
    • Default Standard QoS Configuration

      914
      • Default Ingress Queue Configuration

        914
      • Default Egress Queue Configuration

        915
      • Default Mapping Table Configuration

        916
    • Standard QoS Configuration Guidelines

      916
      • QoS ACL Guidelines

        916
      • IPv6 QoS ACL Guidelines

        916
      • Applying QoS on Interfaces

        917
      • Configuring IPv6 QoS on Switch Stacks

        917
      • Policing Guidelines

        918
      • General QoS Guidelines

        918
    • Enabling QoS Globally

      918
    • Enabling VLAN-Based QoS on Physical Ports

      919
    • Configuring Classification Using Port Trust States

      920
      • Configuring the Trust State on Ports within the QoS Domain

        920
      • Configuring the CoS Value for an Interface

        921
      • Configuring a Trusted Boundary to Ensure Port Security

        922
      • Enabling DSCP Transparency Mode

        923
      • Configuring the DSCP Trust State on a Port Bordering Another QoS Domain

        924
    • Configuring a QoS Policy

      926
      • Classifying Traffic by Using ACLs

        926
      • Classifying Traffic by Using Class Maps

        931
      • Classifying Traffic by Using Class Maps and Filtering IPv6 Traffic

        934
      • Classifying, Policing, and Marking Traffic on Physical Ports by Using Policy Maps

        936
      • Classifying, Policing, and Marking Traffic on SVIs by Using Hierarchical Policy Maps

        940
      • Classifying, Policing, and Marking Traffic by Using Aggregate Policers

        947
    • Configuring DSCP Maps

      949
      • Configuring the CoS-to-DSCP Map

        950
      • Configuring the IP-Precedence-to-DSCP Map

        951
      • Configuring the Policed-DSCP Map

        952
      • Configuring the DSCP-to-CoS Map

        953
      • Configuring the DSCP-to-DSCP-Mutation Map

        954
    • Configuring Ingress Queue Characteristics

      955
      • Mapping DSCP or CoS Values to an Ingress Queue and Setting WTD Thresholds

        956
      • Allocating Buffer Space Between the Ingress Queues

        957
      • Allocating Bandwidth Between the Ingress Queues

        957
      • Configuring the Ingress Priority Queue

        958
    • Configuring Egress Queue Characteristics

      959
      • Configuration Guidelines

        960
      • Allocating Buffer Space to and Setting WTD Thresholds for an Egress Queue-Set

        960
      • Mapping DSCP or CoS Values to an Egress Queue and to a Threshold ID

        962
      • Configuring SRR Shaped Weights on Egress Queues

        964
      • Configuring SRR Shared Weights on Egress Queues

        965
      • Configuring the Egress Expedite Queue

        965
      • Limiting the Bandwidth on an Egress Interface

        966
  • Displaying Standard QoS Information

    967
• Configuring EtherChannels and Link-State Tracking

  969
  • Understanding EtherChannels

    969
    • EtherChannel Overview

      970
    • Port-Channel Interfaces

      972
    • Port Aggregation Protocol

      973
      • PAgP Modes

        974
      • PAgP Interaction with Virtual Switches and Dual-Active Detection

        974
      • PAgP Interaction with Other Features

        975
    • Link Aggregation Control Protocol

      975
      • LACP Modes

        975
      • LACP Interaction with Other Features

        976
    • EtherChannel On Mode

      976
    • Load-Balancing and Forwarding Methods

      976
    • EtherChannel and Switch Stacks

      978
  • Configuring EtherChannels

    979
    • Default EtherChannel Configuration

      979
    • EtherChannel Configuration Guidelines

      980
    • Configuring Layer 2 EtherChannels

      981
    • Configuring Layer 3 EtherChannels

      983
      • Creating Port-Channel Logical Interfaces

        983
      • Configuring the Physical Interfaces

        984
    • Configuring EtherChannel Load-Balancing

      986
    • Configuring the PAgP Learn Method and Priority

      987
    • Configuring LACP Hot-Standby Ports

      988
      • Configuring the LACP System Priority

        989
      • Configuring the LACP Port Priority

        990
  • Displaying EtherChannel, PAgP, and LACP Status

    990
  • Understanding Link-State Tracking

    991
  • Configuring Link-State Tracking

    993
    • Default Link-State Tracking Configuration

      994
    • Link-State Tracking Configuration Guidelines

      994
    • Configuring Link-State Tracking

      994
    • Displaying Link-State Tracking Status

      995
• Configuring TelePresence E911 IP Phone Support

  997
  • Understanding TelePresence E911 IP Phone Support

    997
  • Configuring TelePresence E911 IP Phone Support

    998
    • Configuration Guidelines

      998
    • Enabling TelePresence E911 IP Phone Support

      999
    • Example

      999
• Configuring IP Unicast Routing

  1001
  • Understanding IP Routing

    1002
    • Types of Routing

      1003
    • IP Routing and Switch Stacks

      1003
  • Steps for Configuring Routing

    1005
  • Configuring IP Addressing

    1006
    • Default Addressing Configuration

      1006
    • Assigning IP Addresses to Network Interfaces

      1007
      • Use of Subnet Zero

        1007
      • Classless Routing

        1008
    • Configuring Address Resolution Methods

      1009
      • Define a Static ARP Cache

        1010
      • Set ARP Encapsulation

        1011
      • Enable Proxy ARP

        1012
    • Routing Assistance When IP Routing is Disabled

      1012
      • Proxy ARP

        1012
      • Default Gateway

        1012
      • ICMP Router Discovery Protocol (IRDP)

        1013
    • Configuring Broadcast Packet Handling

      1014
      • Enabling Directed Broadcast-to-Physical Broadcast Translation

        1015
      • Forwarding UDP Broadcast Packets and Protocols

        1016
      • Establishing an IP Broadcast Address

        1017
      • Flooding IP Broadcasts

        1017
    • Monitoring and Maintaining IP Addressing

      1018
  • Enabling IP Unicast Routing

    1019
  • Configuring RIP

    1020
    • Default RIP Configuration

      1021
    • Configuring Basic RIP Parameters

      1021
    • Configuring RIP Authentication

      1023
    • Configuring Summary Addresses and Split Horizon

      1023
    • Configuring Split Horizon

      1025
  • Configuring OSPF

    1025
    • Default OSPF Configuration

      1027
      • OSPF Nonstop Forwarding

        1028
    • Configuring Basic OSPF Parameters

      1029
    • Configuring OSPF Interfaces

      1030
    • Configuring OSPF Area Parameters

      1031
    • Configuring Other OSPF Parameters

      1032
    • Changing LSA Group Pacing

      1034
    • Configuring a Loopback Interface

      1034
    • Monitoring OSPF

      1035
  • Configuring EIGRP

    1035
    • Default EIGRP Configuration

      1037
      • EIGRP Nonstop Forwarding

        1038
    • Configuring Basic EIGRP Parameters

      1039
    • Configuring EIGRP Interfaces

      1040
    • Configuring EIGRP Route Authentication

      1041
    • EIGRP Stub Routing

      1042
    • Monitoring and Maintaining EIGRP

      1043
  • Configuring BGP

    1043
    • Default BGP Configuration

      1045
      • Nonstop Forwarding Awareness

        1047
    • Enabling BGP Routing

      1048
    • Managing Routing Policy Changes

      1050
    • Configuring BGP Decision Attributes

      1052
    • Configuring BGP Filtering with Route Maps

      1054
    • Configuring BGP Filtering by Neighbor

      1054
    • Configuring Prefix Lists for BGP Filtering

      1056
    • Configuring BGP Community Filtering

      1057
    • Configuring BGP Neighbors and Peer Groups

      1058
    • Configuring Aggregate Addresses

      1060
    • Configuring Routing Domain Confederations

      1061
    • Configuring BGP Route Reflectors

      1061
    • Configuring Route Dampening

      1062
    • Monitoring and Maintaining BGP

      1063
  • Configuring ISO CLNS Routing

    1064
    • Configuring IS-IS Dynamic Routing

      1065
      • Default IS-IS Configuration

        1066
      • Nonstop Forwarding Awareness

        1067
      • Enabling IS-IS Routing

        1067
      • Configuring IS-IS Global Parameters

        1069
      • Configuring IS-IS Interface Parameters

        1071
    • Monitoring and Maintaining ISO IGRP and IS-IS

      1073
  • Configuring Multi-VRF CE

    1074
    • Understanding Multi-VRF CE

      1075
    • Default Multi-VRF CE Configuration

      1077
    • Multi-VRF CE Configuration Guidelines

      1077
    • Configuring VRFs

      1078
    • Configuring VRF-Aware Services

      1079
      • User Interface for ARP

        1079
      • User Interface for PING

        1080
      • User Interface for SNMP

        1080
      • User Interface for HSRP

        1080
      • User Interface for uRPF

        1081
      • User Interface for VRF-Aware RADIUS

        1081
      • User Interface for Syslog

        1081
      • User Interface for Traceroute

        1082
      • User Interface for FTP and TFTP

        1082
    • Configuring Multicast VRFs

      1083
    • Configuring a VPN Routing Session

      1083
    • Configuring BGP PE to CE Routing Sessions

      1084
    • Multi-VRF CE Configuration Example

      1085
    • Displaying Multi-VRF CE Status

      1088
  • Configuring Unicast Reverse Path Forwarding

    1089
  • Configuring Protocol-Independent Features

    1089
    • Configuring Distributed Cisco Express Forwarding

      1089
    • Configuring the Number of Equal-Cost Routing Paths

      1091
    • Configuring Static Unicast Routes

      1092
    • Specifying Default Routes and Networks

      1093
    • Using Route Maps to Redistribute Routing Information

      1093
    • Configuring Policy-Based Routing

      1097
      • PBR Configuration Guidelines

        1098
      • Enabling PBR

        1099
    • Filtering Routing Information

      1100
      • Setting Passive Interfaces

        1101
      • Controlling Advertising and Processing in Routing Updates

        1101
      • Filtering Sources of Routing Information

        1102
    • Managing Authentication Keys

      1103
  • Monitoring and Maintaining the IP Network

    1104
• Configuring IPv6 Unicast Routing

  1105
  • Understanding IPv6

    1105
    • IPv6 Addresses

      1106
    • Supported IPv6 Unicast Routing Features

      1107
      • 128-Bit Wide Unicast Addresses

        1107
      • DNS for IPv6

        1108
      • Path MTU Discovery for IPv6 Unicast

        1108
      • ICMPv6

        1108
      • Neighbor Discovery

        1108
      • Default Router Preference

        1108
      • IPv6 Stateless Autoconfiguration and Duplicate Address Detection

        1109
      • IPv6 Applications

        1109
      • Dual IPv4 and IPv6 Protocol Stacks

        1109
      • DHCP for IPv6 Address Assignment

        1110
      • Static Routes for IPv6

        1110
      • RIP for IPv6

        1111
      • OSPF for IPv6

        1111
      • EIGRP IPv6

        1111
      • HSRP for IPv6

        1111
      • SNMP and Syslog Over IPv6

        1111
      • HTTP(S) Over IPv6

        1112
    • Unsupported IPv6 Unicast Routing Features

      1112
    • Limitations

      1113
    • IPv6 and Switch Stacks

      1113
  • Configuring IPv6

    1114
    • Default IPv6 Configuration

      1115
    • Configuring IPv6 Addressing and Enabling IPv6 Routing

      1115
    • Configuring Default Router Preference

      1117
    • Configuring IPv4 and IPv6 Protocol Stacks

      1118
    • Configuring DHCP for IPv6 Address Assignment

      1119
      • Default DHCPv6 Address Assignment Configuration

        1119
      • DHCPv6 Address Assignment Configuration Guidelines

        1119
      • Enabling DHCPv6 Server Function

        1120
      • Enabling DHCPv6 Client Function

        1122
    • Configuring IPv6 ICMP Rate Limiting

      1123
    • Configuring CEF and dCEF for IPv6

      1123
    • Configuring Static Routing for IPv6

      1124
    • Configuring RIP for IPv6

      1125
    • Configuring OSPF for IPv6

      1126
    • Configuring EIGRP for IPv6

      1128
    • Configuring HSRP for IPv6

      1128
      • Enabling HSRP Version 2

        1129
      • Enabling an HSRP Group for IPv6

        1129
  • Displaying IPv6

    1131
• Configuring HSRP

  1133
  • Understanding HSRP

    1133
    • HSRP Versions

      1135
    • Multiple HSRP

      1136
    • HSRP and Switch Stacks

      1137
  • Configuring HSRP

    1137
    • Default HSRP Configuration

      1137
    • HSRP Configuration Guidelines

      1138
    • Enabling HSRP

      1138
    • Configuring HSRP Priority

      1140
    • Configuring MHSRP

      1142
    • Configuring HSRP Authentication and Timers

      1142
    • Enabling HSRP Support for ICMP Redirect Messages

      1144
    • Configuring HSRP Groups and Clustering

      1144
    • Troubleshooting HSRP for Mixed Stacks of Catalyst 3750-X, 3750-E and 3750 Switches

      1145
  • Displaying HSRP Configurations

    1145
• Configuring Cisco IOS IP SLAs Operations

  1147
  • Understanding Cisco IOS IP SLAs

    1147
    • Using Cisco IOS IP SLAs to Measure Network Performance

      1149
    • IP SLAs Responder and IP SLAs Control Protocol

      1150
    • Response Time Computation for IP SLAs

      1150
    • IP SLAs Operation Scheduling

      1151
    • IP SLAs Operation Threshold Monitoring

      1151
  • Configuring IP SLAs Operations

    1152
    • Default Configuration

      1152
    • Configuration Guidelines

      1152
    • Configuring the IP SLAs Responder

      1153
    • Analyzing IP Service Levels by Using the UDP Jitter Operation

      1154
    • Analyzing IP Service Levels by Using the ICMP Echo Operation

      1157
  • Monitoring IP SLAs Operations

    1159
• Configuring Enhanced Object Tracking

  1161
  • Understanding Enhanced Object Tracking

    1161
  • Configuring Enhanced Object Tracking Features

    1162
    • Default Configuration

      1162
    • Tracking Interface Line-Protocol or IP Routing State

      1162
    • Configuring a Tracked List

      1163
      • Configuring a Tracked List with a Boolean Expression

        1164
      • Configuring a Tracked List with a Weight Threshold

        1165
      • Configuring a Tracked List with a Percentage Threshold

        1166
    • Configuring HSRP Object Tracking

      1167
    • Configuring Other Tracking Characteristics

      1168
    • Configuring IP SLAs Object Tracking

      1168
    • Configuring Static Routing Support

      1170
      • Configuring a Primary Interface

        1170
      • Configuring a Cisco IP SLAs Monitoring Agent and Track Object

        1171
      • Configuring a Routing Policy and Default Route

        1172
  • Monitoring Enhanced Object Tracking

    1172
• Configuring Web Cache Services By Using WCCP

  1175
  • Understanding WCCP

    1176
    • WCCP Message Exchange

      1176
    • WCCP Negotiation

      1177
    • MD5 Security

      1177
    • Packet Redirection and Service Groups

      1177
    • WCCP and Switch Stacks

      1178
    • Unsupported WCCP Features

      1179
  • Configuring WCCP

    1179
    • Default WCCP Configuration

      1179
    • WCCP Configuration Guidelines

      1179
    • Enabling the Web Cache Service

      1180
  • Monitoring and Maintaining WCCP

    1184
• Configuring IP Multicast Routing

  1185
  • Understanding Cisco’s Implementation of IP Multicast Routing

    1186
    • Understanding IGMP

      1187
      • IGMP Version 1

        1187
      • IGMP Version 2

        1187
    • Understanding PIM

      1188
      • PIM Versions

        1188
      • PIM Modes

        1188
      • PIM Stub Routing

        1189
      • IGMP Helper

        1190
      • Auto-RP

        1191
      • Bootstrap Router

        1191
      • Multicast Forwarding and Reverse Path Check

        1192
    • Understanding DVMRP

      1193
    • Understanding CGMP

      1193
  • Multicast Routing and Switch Stacks

    1194
  • Configuring IP Multicast Routing

    1194
    • Default Multicast Routing Configuration

      1195
    • Multicast Routing Configuration Guidelines

      1195
      • PIMv1 and PIMv2 Interoperability

        1195
      • Auto-RP and BSR Configuration Guidelines

        1196
    • Configuring Basic Multicast Routing

      1196
    • Configuring Source-Specific Multicast

      1198
      • SSM Components Overview

        1198
      • How SSM Differs from Internet Standard Multicast

        1198
      • SSM IP Address Range

        1199
      • SSM Operations

        1199
      • IGMPv3 Host Signalling

        1199
      • Configuration Guidelines

        1200
      • Configuring SSM

        1201
      • Monitoring SSM

        1201
    • Configuring Source Specific Multicast Mapping

      1201
      • SSM Mapping Configuration Guidelines and Restrictions

        1201
      • SSM Mapping Overview

        1202
      • Configuring SSM Mapping

        1204
      • Monitoring SSM Mapping

        1206
    • Configuring PIM Stub Routing

      1206
      • PIM Stub Routing Configuration Guidelines

        1206
      • Enabling PIM Stub Routing

        1207
    • Configuring a Rendezvous Point

      1208
      • Manually Assigning an RP to Multicast Groups

        1208
      • Configuring Auto-RP

        1210
      • Configuring PIMv2 BSR

        1214
    • Using Auto-RP and a BSR

      1218
    • Monitoring the RP Mapping Information

      1219
    • Troubleshooting PIMv1 and PIMv2 Interoperability Problems

      1219
  • Configuring Advanced PIM Features

    1219
    • Understanding PIM Shared Tree and Source Tree

      1219
    • Delaying the Use of PIM Shortest-Path Tree

      1221
    • Modifying the PIM Router-Query Message Interval

      1222
  • Configuring Optional IGMP Features

    1222
    • Default IGMP Configuration

      1223
    • Configuring the Switch as a Member of a Group

      1223
    • Controlling Access to IP Multicast Groups

      1224
    • Changing the IGMP Version

      1225
    • Modifying the IGMP Host-Query Message Interval

      1226
    • Changing the IGMP Query Timeout for IGMPv2

      1226
    • Changing the Maximum Query Response Time for IGMPv2

      1227
    • Configuring the Switch as a Statically Connected Member

      1228
  • Configuring Optional Multicast Routing Features

    1228
    • Enabling CGMP Server Support

      1229
    • Configuring sdr Listener Support

      1230
      • Enabling sdr Listener Support

        1230
      • Limiting How Long an sdr Cache Entry Exists

        1230
    • Configuring an IP Multicast Boundary

      1231
  • Configuring Basic DVMRP Interoperability Features

    1233
    • Configuring DVMRP Interoperability

      1233
    • Configuring a DVMRP Tunnel

      1235
    • Advertising Network 0.0.0.0 to DVMRP Neighbors

      1237
    • Responding to mrinfo Requests

      1238
  • Configuring Advanced DVMRP Interoperability Features

    1238
    • Enabling DVMRP Unicast Routing

      1238
    • Rejecting a DVMRP Nonpruning Neighbor

      1239
    • Controlling Route Exchanges

      1242
      • Limiting the Number of DVMRP Routes Advertised

        1242
      • Changing the DVMRP Route Threshold

        1242
      • Configuring a DVMRP Summary Address

        1243
      • Disabling DVMRP Autosummarization

        1245
      • Adding a Metric Offset to the DVMRP Route

        1245
  • Monitoring and Maintaining IP Multicast Routing

    1246
    • Clearing Caches, Tables, and Databases

      1246
    • Displaying System and Network Statistics

      1247
    • Monitoring IP Multicast Routing

      1248
• Configuring MSDP

  1249
  • Understanding MSDP

    1249
    • MSDP Operation

      1250
    • MSDP Benefits

      1251
  • Configuring MSDP

    1251
    • Default MSDP Configuration

      1252
    • Configuring a Default MSDP Peer

      1252
    • Caching Source-Active State

      1254
    • Requesting Source Information from an MSDP Peer

      1256
    • Controlling Source Information that Your Switch Originates

      1256
      • Redistributing Sources

        1257
      • Filtering Source-Active Request Messages

        1259
    • Controlling Source Information that Your Switch Forwards

      1260
      • Using a Filter

        1260
      • Using TTL to Limit the Multicast Data Sent in SA Messages

        1262
    • Controlling Source Information that Your Switch Receives

      1262
    • Configuring an MSDP Mesh Group

      1264
    • Shutting Down an MSDP Peer

      1264
    • Including a Bordering PIM Dense-Mode Region in MSDP

      1265
    • Configuring an Originating Address other than the RP Address

      1266
  • Monitoring and Maintaining MSDP

    1267
• Configuring Fallback Bridging

  1269
  • Understanding Fallback Bridging

    1269
    • Fallback Bridging Overview

      1269
    • Fallback Bridging and Switch Stacks

      1271
  • Configuring Fallback Bridging

    1271
    • Default Fallback Bridging Configuration

      1271
    • Fallback Bridging Configuration Guidelines

      1272
    • Creating a Bridge Group

      1272
    • Adjusting Spanning-Tree Parameters

      1273
      • Changing the VLAN-Bridge Spanning-Tree Priority

        1274
      • Changing the Interface Priority

        1274
      • Assigning a Path Cost

        1275
      • Adjusting BPDU Intervals

        1275
      • Disabling the Spanning Tree on an Interface

        1277
  • Monitoring and Maintaining Fallback Bridging

    1278
• Troubleshooting

  1279
  • Recovering from a Software Failure

    1280
  • Recovering from a Lost or Forgotten Password

    1281
    • Procedure with Password Recovery Enabled

      1282
    • Procedure with Password Recovery Disabled

      1284
  • Preventing Switch Stack Problems

    1286
  • Recovering from a Command Switch Failure

    1287
    • Replacing a Failed Command Switch with a Cluster Member

      1287
    • Replacing a Failed Command Switch with Another Switch

      1289
  • Recovering from Lost Cluster Member Connectivity

    1290
  • Preventing Autonegotiation Mismatches

    1291
  • Troubleshooting Power over Ethernet Switch Ports

    1291
    • Disabled Port Caused by Power Loss

      1291
    • Disabled Port Caused by False Link Up

      1292
  • SFP Module Security and Identification

    1292
  • Monitoring SFP Module Status

    1292
  • Monitoring Temperature

    1293
  • Using Ping

    1293
    • Understanding Ping

      1293
    • Executing Ping

      1293
  • Using Layer 2 Traceroute

    1294
    • Understanding Layer 2 Traceroute

      1294
    • Usage Guidelines

      1295
    • Displaying the Physical Path

      1295
  • Using IP Traceroute

    1296
    • Understanding IP Traceroute

      1296
    • Executing IP Traceroute

      1296
  • Using TDR

    1297
    • Understanding TDR

      1297
    • Running TDR and Displaying the Results

      1298
  • Using Debug Commands

    1298
    • Enabling Debugging on a Specific Feature

      1299
    • Enabling All-System Diagnostics

      1299
    • Redirecting Debug and Error Message Output

      1300
  • Using the show platform forward Command

    1300
  • Using the crashinfo Files

    1302
    • Basic crashinfo Files

      1303
    • Extended crashinfo Files

      1303
  • Using On-Board Failure Logging

    1303
    • Understanding OBFL

      1304
    • Configuring OBFL

      1304
    • Displaying OBFL Information

      1305
  • Troubleshooting Tables

    1305
    • Troubleshooting CPU Utilization

      1306
      • Possible Symptoms of High CPU Utilization

        1306
      • Verifying the Problem and Cause

        1306
    • Troubleshooting Power over Ethernet (PoE)

      1307
    • Troubleshooting Stackwise (Catalyst 3750-X Switches Only)

      1310
• Configuring Online Diagnostics

  1313
  • Understanding Online Diagnostics

    1313
  • Configuring Online Diagnostics

    1313
    • Scheduling Online Diagnostics

      1314
    • Configuring Health-Monitoring Diagnostics

      1314
  • Running Online Diagnostic Tests

    1316
    • Starting Online Diagnostic Tests

      1317
    • Displaying Online Diagnostic Tests and Test Results

      1317
• Supported MIBs

  1319
  • MIB List

    1319
  • Using FTP to Access the MIB Files

    1322
• Working with the Cisco IOS File System, Configuration Files, and Software Images

  1323
  • Working with the Flash File System

    1323
    • Displaying Available File Systems

      1324
    • Setting the Default File System

      1325
    • Displaying Information about Files on a File System

      1325
    • Changing Directories and Displaying the Working Directory

      1326
    • Creating and Removing Directories

      1327
    • Copying Files

      1327
    • Deleting Files

      1328
    • Creating, Displaying, and Extracting Files

      1328
  • Working with Configuration Files

    1331
    • Guidelines for Creating and Using Configuration Files

      1332
    • Configuration File Types and Location

      1332
    • Creating a Configuration File By Using a Text Editor

      1333
    • Copying Configuration Files By Using TFTP

      1333
      • Preparing to Download or Upload a Configuration File By Using TFTP

        1333
      • Downloading the Configuration File By Using TFTP

        1334
      • Uploading the Configuration File By Using TFTP

        1335
    • Copying Configuration Files By Using FTP

      1335
      • Preparing to Download or Upload a Configuration File By Using FTP

        1336
      • Downloading a Configuration File By Using FTP

        1336
      • Uploading a Configuration File By Using FTP

        1338
    • Copying Configuration Files By Using RCP

      1339
      • Preparing to Download or Upload a Configuration File By Using RCP

        1339
      • Downloading a Configuration File By Using RCP

        1340
      • Uploading a Configuration File By Using RCP

        1341
    • Clearing Configuration Information

      1342
      • Clearing the Startup Configuration File

        1342
      • Deleting a Stored Configuration File

        1342
    • Replacing and Rolling Back Configurations

      1342
      • Understanding Configuration Replacement and Rollback

        1343
      • Configuration Guidelines

        1344
      • Configuring the Configuration Archive

        1345
      • Performing a Configuration Replacement or Rollback Operation

        1345
  • Working with Software Images

    1347
    • Image Location on the Switch

      1348
    • File Format of Images on a Server or Cisco.com

      1348
    • Copying Image Files By Using TFTP

      1349
      • Preparing to Download or Upload an Image File By Using TFTP

        1350
      • Downloading an Image File By Using TFTP

        1350
      • Uploading an Image File By Using TFTP

        1352
    • Copying Image Files By Using FTP

      1353
      • Preparing to Download or Upload an Image File By Using FTP

        1353
      • Downloading an Image File By Using FTP

        1354
      • Uploading an Image File By Using FTP

        1356
    • Copying Image Files By Using RCP

      1357
      • Preparing to Download or Upload an Image File By Using RCP

        1358
      • Downloading an Image File By Using RCP

        1359
      • Uploading an Image File By Using RCP

        1360
    • Copying an Image File from One Stack Member to Another

      1361
• Unsupported Commands in Cisco IOS Release 12.2(53)SE2

  1363
  • Access Control Lists

    1363
    • Unsupported Privileged EXEC Commands

      1363
    • Unsupported Global Configuration Commands

      1363
    • Unsupported Route-Map Configuration Commands

      1364
  • Archive Commands

    1364
    • Unsupported Privileged EXEC Commands

      1364
  • ARP Commands

    1364
    • Unsupported Global Configuration Commands

      1364
    • Unsupported Interface Configuration Commands

      1364
  • Boot Loader Commands

    1364
    • Unsupported User EXEC Commands

      1364
    • Unsupported Global Configuration Commands

      1364
  • Debug Commands

    1365
    • Unsupported Privileged EXEC Commands

      1365
  • Embedded Event Manager

    1365
    • Unsupported Privileged EXEC Commands

      1365
    • Unsupported Global Configuration Commands

      1365
    • Unsupported Commands in Applet Configuration Mode

      1365
    • Unsupported Commands in Event Trigger Configuration Mode

      1366
  • Fallback Bridging

    1366
    • Unsupported Privileged EXEC Commands

      1366
    • Unsupported Global Configuration Commands

      1366
    • Unsupported Interface Configuration Commands

      1367
  • HSRP

    1367
    • Unsupported Global Configuration Commands

      1367
    • Unsupported Interface Configuration Commands

      1368
  • IGMP Snooping Commands

    1368
    • Unsupported Global Configuration Commands

      1368
  • Interface Commands

    1368
    • Unsupported Privileged EXEC Commands

      1368
    • Unsupported Global Configuration Commands

      1368
    • Unsupported Interface Configuration Commands

      1368
  • IP Multicast Routing

    1369
    • Unsupported Privileged EXEC Commands

      1369
    • Unsupported Global Configuration Commands

      1369
    • Unsupported Interface Configuration Commands

      1369
  • IP Unicast Routing

    1370
    • Unsupported Privileged EXEC or User EXEC Commands

      1370
    • Unsupported Global Configuration Commands

      1370
    • Unsupported Interface Configuration Commands

      1371
    • Unsupported BGP Router Configuration Commands

      1371
    • Unsupported VPN Configuration Commands

      1371
    • Unsupported Route Map Commands

      1371
  • MAC Address Commands

    1372
    • Unsupported Privileged EXEC Commands

      1372
    • Unsupported Global Configuration Commands

      1372
  • Miscellaneous

    1373
    • Unsupported User EXEC Commands

      1373
    • Unsupported Privileged EXEC Commands

      1373
    • Unsupported Global Configuration Commands

      1373
  • MSDP

    1373
    • Unsupported Privileged EXEC Commands

      1373
    • Unsupported Global Configuration Commands

      1373
  • NetFlow Commands

    1374
    • Unsupported Global Configuration Commands

      1374
  • Network Address Translation (NAT) Commands

    1374
    • Unsupported Privileged EXEC Commands

      1374
  • QoS

    1374
    • Unsupported Global Configuration Command

      1374
    • Unsupported Interface Configuration Commands

      1374
    • Unsupported Policy-Map Configuration Command

      1374
  • RADIUS

    1374
    • Unsupported Global Configuration Commands

      1374
  • SNMP

    1375
    • Unsupported Global Configuration Commands

      1375
  • Spanning Tree

    1375
    • Unsupported Global Configuration Command

      1375
    • Unsupported Interface Configuration Command

      1375
  • VLAN

    1375
    • Unsupported Global Configuration Command

      1375
    • Unsupported User EXEC Commands

      1375
  • VTP

    1376
    • Unsupported Privileged EXEC Command

      1376
• Index

  1377