Cisco Catalyst 2928 Manuals

Manuals and User Guides for Cisco Catalyst 2928. We have 1 Cisco Catalyst 2928 manual available for free PDF download: Software Configuration Manual

Cisco Catalyst 2928 Software Configuration Manual (700 pages)

IOS Release 12.2(55)EZ

Brand: Cisco | Category: Network Router | Size: 7.64 MB

Table of Contents
3
Related Publications
30
Features
33
Chapter 1 Overview

34
CHAPTER 2 Using the Command-Line Interface2-1

49
- Understanding Command Modes
  49
- C H a P T E R 2 Using the Command-Line Interface
  50
Understanding the Help System

51
Understanding Abbreviated Commands

51
Understanding no and Default Forms of Commands

52
Understanding CLI Error Messages

52
Using Configuration Logging

52
Using Command History

53
Using Editing Features

54
Searching and Filtering Output of Show and more Commands

57
Accessing the CLI

57
- Accessing the CLI through a Console Connection or through Telnet
  57
Chapter 3 Assigning the Switch IP Address and Default Gateway

59
Chapter 4 Configuring Cisco IOS CNS Agents

81
Chapter 5 Clustering Switches

93
Chapter 6 Configuring SDM Templates

109
- Understanding the SDM Templates
  109
- Configuring the Switch SDM Template
  110
  - Default SDM Template
    110
  - SDM Template Configuration Guidelines
    110
- Displaying the SDM Templates
  111
- Managing the System Time and Date
  113
  - Understanding Network Time Protocol
    114
Chapter 7 Administering the Switch

114
- Configuring NTP
  116
- Configuring Time and Date Manually
  123
- Configuring a System Name and Prompt
  126
  - Default System Name and Prompt Configuration
    127
  - Configuring a System Name
    127
  - Understanding DNS
    127
    
    Default DNS Configuration
    128
    
    Setting up DNS
    128
    
    Displaying the DNS Configuration
    129
- Creating a Banner
  129
- Managing the MAC Address Table
  131
- Managing the ARP Table
  138
Chapter 8 Configuring Switch-Based Authentication

139
CHAPTER 9 Configuring IEEE 802.1X Port-Based Authentication9-1

184
Understanding IEEE 802.1X Port-Based Authentication

184
Table

200
CHAPTER 10 Configuring Web-Based Authentication

215
Understanding Web-Based Authentication

215
- Device Roles
  
  216
- Host Detection
  
  216
  - Configuring Web-Based Authentication
    216
- Session Creation
  
  217
- Authentication Process
  
  217
  - Local Web Authentication Banner
    218
    
    Guidelines
    220
  - Web Authentication Customizable Web Pages
    220
  - Web-Based Authentication Interactions with Other Features
    221
    
    Port Security
    221
    
    Acls
    222
    
    Authentication
    222
    
    Context-Based Access Control
    222
    
    Etherchannel
    222
    
    Gateway IP
    222
    
    LAN Port IP
    222
  - Configuring Web-Based Authentication
    222
    
    Default Web-Based Authentication Configuration
    223
    
    Web-Based Authentication Configuration Guidelines and Restrictions
    223
    
    Configuring the Authentication Rule and Interfaces
    224
    
    Web-Based Authentication Configuration Task List
    224
- Configuring AAA Authentication
  
  225
- Configuring Switch-To-RADIUS-Server Communication
  
  225
- Configuring the HTTP Server
  
  227
- Configuring the Web-Based Authentication Parameters
  
  230
  - Displaying Web-Based Authentication Status
    231
- Removing Web-Based Authentication Cache Entries
  
  231
Chapter 11 Configuring Portal-Based Authentication

233
CHAPTER 12 Configuring Interface Characteristics12-1

239
- Understanding Interface Types
  239
  - Port-Based Vlans
    240
  - Switch Ports
    240
    
    Access Ports
    240
    
    C H a P T E R 12 Configuring Interface Characteristics
    240
    
    Trunk Ports
    241
- Power over Ethernet (Poe) Ports (WS-C2928-24LT-C Only)
  
  242
- Default Ethernet Interface Configuration
  
  252
- Setting the Type of a Dual-Purpose Uplink Port
  
  253
- Configuring Interface Speed and Duplex Mode
  
  255
  - Speed and Duplex Configuration Guidelines
    255
  - Setting the Interface Speed and Duplex Parameters
    256
- Configuring IEEE 802.3X Flow Control
  
  257
- Configuring Auto-MDIX on an Interface
  
  258
- Configuring a Power Management Mode on a Poe Port
  
  259
- Budgeting Power for Devices Connected to a Poe Port
  
  260
- Configuring Power Policing
  
  262
- Adding a Description for an Interface
  
  263
  - Configuring the System MTU
    264
  - Monitoring and Maintaining the Interfaces
    265
    
    Clearing and Resetting Interfaces and Counters
    266
    
    Monitoring Interface Status
    266
    
    Table
    266
    
    Shutting down and Restarting the Interface
    267
Chapter 13 Configuring Vlans

269
- Chapter 13, "Configuring Vlans
  269
- Understanding Vlans
  269
  - Supported Vlans
    270
  - VLAN Port Membership Modes
    271
  - Section on Page
    271
- Configuring Normal-Range Vlans
  272
  - Token Ring Vlans
    273
  - Normal-Range VLAN Configuration Guidelines
    273
  - Saving VLAN Configuration
    274
  - Default Ethernet VLAN Configuration
    274
  - Creating or Modifying an Ethernet VLAN
    275
  - Deleting a VLAN
    276
  - Assigning Static-Access Ports to a VLAN
    277
- Configuring Extended-Range Vlans
  278
- Displaying Vlans
  280
- Configuring VLAN Trunks
  280
- Configuring VMPS
  289
  - Understanding VMPS
    290
    
    Dynamic-Access Port VLAN Membership
    290
  - Default VMPS Client Configuration
    291
  - VMPS Configuration Guidelines
    291
  - Configuring the VMPS Client
    292
    
    Configuring Dynamic-Access Ports on VMPS Clients
    292
    
    Entering the IP Address of the VMPS
    292
    
    Changing the Reconfirmation Interval
    293
    
    Reconfirming VLAN Memberships
    293
    
    Changing the Retry Count
    294
  - Monitoring the VMPS
    294
  - Troubleshooting Dynamic-Access Port VLAN Membership
    295
  - VMPS Configuration Example
    295
Chapter 14 Configuring VTP

297
- Understanding VTP
  297
  - The VTP Domain
    298
  - VTP Modes
    299
  - VTP Advertisements
    299
  - VTP Version 2
    300
  - VTP Pruning
    300
- Configuring VTP
  300
  - VTP Configuration Guidelines
    303
    
    Domain Names
    303
    
    Passwords
    303
    
    Configuration Requirements
    304
    
    VTP Version
    304
  - Configuring a VTP Server
    304
- Configuring a VTP Client
  
  305
- Disabling VTP (VTP Transparent Mode)
  
  306
- Enabling VTP Version 2
  
  307
- Enabling VTP Pruning
  
  308
  - Monitoring VTP
    310
- Adding a VTP Client Switch to a VTP Domain
  
  308
Chapter 15 Configuring Voice VLAN

311
- Understanding Voice VLAN
  311
  - Cisco IP Phone Voice Traffic
    312
  - Cisco IP Phone Data Traffic
    312
- Configuring Voice VLAN
  313
- Displaying Voice VLAN
  316
- Configuring STP
  317
- Understanding Spanning-Tree Features
  317
Chapter 16 Configuring STP

318
Understanding Spanning-Tree Features

318
- STP Overview
  
  318
- Spanning-Tree Topology and Bpdus
  
  318
- Bridge ID, Switch Priority, and Extended System ID
  
  319
  - Spanning-Tree Interface States
    320
    
    Blocking State
    321
    
    Disabled State
    322
    
    Forwarding State
    322
    
    Learning State
    322
    
    Listening State
    322
- How a Switch or Port Becomes the Root Switch or Root Port
  
  323
- Spanning Tree and Redundant Connectivity
  
  323
- Spanning-Tree Address Management
  
  324
- Accelerated Aging to Retain Connectivity
  
  324
- Spanning-Tree Modes and Protocols
  
  325
- Supported Spanning-Tree Instances
  
  325
Chapter 17 Configuring MSTP

339
- Understanding MSTP
  340
  - Multiple Spanning-Tree Regions
    340
  - IST, CIST, and CST
    340
    
    Operations between MST Regions
    341
    
    Operations Within an MST Region
    341
    
    IEEE 802.1S Terminology
    343
  - Hop Count
    343
  - Boundary Ports
    344
  - IEEE 802.1S Implementation
    344
    
    Port Role Naming Change
    344
    
    Detecting Unidirectional Link Failure
    345
    
    Interoperation between Legacy and Standard Switches
    345
  - Interoperability with IEEE 802.1D STP
    346
- Understanding RSTP
  346
  - Port Roles and the Active Topology
    347
  - Rapid Convergence
    347
  - Synchronization of Port Roles
    349
  - Bridge Protocol Data Unit Format and Processing
    350
    
    Processing Superior BPDU Information
    350
    
    Processing Inferior BPDU Information
    351
  - Topology Changes
    351
- Configuring MSTP Features
  351
- Displaying the MST Configuration and Status
  364
CHAPTER 18 Configuring Optional Spanning-Tree Features

365
- Understanding Optional Spanning-Tree Features
  365
  - Understanding Port Fast
    366
  - Understanding BPDU Guard
    366
  - C H a P T E R 18 Configuring Optional Spanning-Tree Features
    366
  - Understanding BPDU Filtering
    367
  - Understanding Uplinkfast
    367
  - Understanding Backbonefast
    369
  - Understanding Etherchannel Guard
    371
  - Understanding Root Guard
    372
  - Understanding Loop Guard
    373
- Configuring Optional Spanning-Tree Features
  373
  - Default Optional Spanning-Tree Configuration
    373
  - Optional Spanning-Tree Configuration Guidelines
    374
  - Enabling Port Fast
    374
  - Enabling BPDU Guard
    375
  - Enabling BPDU Filtering
    376
  - Enabling Uplinkfast for Use with Redundant Links
    377
  - Enabling Backbonefast
    377
  - Enabling Etherchannel Guard
    378
  - Enabling Root Guard
    379
  - Enabling Loop Guard
    379
- Displaying the Spanning-Tree Status
  380
CHAPTER 19 Configuring DHCP Features and IP Source Guard Features

381
Chapter 20 Configuring Dynamic ARP Inspection

407
Chapter 21 Configuring IGMP Snooping

423
- Understanding IGMP Snooping
  423
  - IGMP Versions
    424
  - Joining a Multicast Group
    425
  - Leaving a Multicast Group
    426
  - Immediate Leave
    427
  - IGMP Configurable-Leave Timer
    427
  - IGMP Report Suppression
    427
- Configuring IGMP Snooping
  428
- Displaying IGMP Snooping Information
  436
- Configuring IGMP Filtering and Throttling
  438
- Displaying IGMP Filtering and Throttling Configuration
  442
CHAPTER 22 Configuring Port-Based Traffic Control22-1

445
Chapter 23 Configuring CDP

463
- Understanding CDP
  463
- Configuring CDP
  464
- Monitoring and Maintaining CDP
  467
Chapter 24 Configuring LLDP and LLDP-MED

469
- Understanding LLDP and LLDP-MED
  469
- Lldp
  
  469
  - Lldp-Med
    470
  - Configuring LLDP and LLDP-MED
    471
    
    Configuration Guidelines
    471
    
    Default LLDP Configuration
    471
    
    Configuring LLDP and LLDP-MED
    472
    
    Configuring LLDP Characteristics
    472
    
    Enabling LLDP
    472
    
    Configuring LLDP-MED Tlvs
    473
    
    Configuring Network-Policy TLV
    474
  - Monitoring and Maintaining LLDP and LLDP-MED
    476
Chapter 25 Configuring UDLD

477
- Understanding UDLD
  477
  - Modes of Operation
    477
  - Methods to Detect Unidirectional Links
    478
- Configuring UDLD
  479
  - Default UDLD Configuration
    480
  - Configuration Guidelines
    480
  - Enabling UDLD Globally
    481
  - Enabling UDLD on an Interface
    481
  - Resetting an Interface Disabled by UDLD
    482
- Displaying UDLD Status
  482
Chapter 26 Configuring SPAN

483
- Understanding SPAN
  483
  - Local SPAN
    484
  - SPAN Concepts and Terminology
    484
    
    SPAN Sessions
    484
    
    Monitored Traffic
    485
    
    Source Ports
    486
    
    Source Vlans
    486
    
    Destination Port
    487
    
    VLAN Filtering
    487
  - SPAN Interaction with Other Features
    488
- Configuring SPAN
  489
  - Default SPAN Configuration
    489
  - Configuring Local SPAN
    489
    
    SPAN Configuration Guidelines
    489
    
    Creating a Local SPAN Session
    490
    
    Creating a Local SPAN Session and Configuring Incoming Traffic
    493
    
    Specifying Vlans to Filter
    494
- Displaying SPAN Status
  495
Chapter 27 Configuring RMON

497
- Understanding RMON
  497
- Configuring RMON
  498
- Displaying RMON Status
  502
Chapter 28 Configuring System Message Logging

503
Chapter 29 Configuring SNMP

518
- SNMP Manager Functions
  519
- SNMP Agent Functions
  520
- SNMP Community Strings
  520
- Using SNMP to Access MIB Variables
  520
- SNMP Notifications
  521
- SNMP Ifindex MIB Object Values
  521
- Default SNMP Configuration
  522
- SNMP Configuration Guidelines
  523
- Disabling the SNMP Agent
  523
- Configuring Community Strings
  524
- Configuring SNMP Groups and Users
  525
- Configuring SNMP Notifications
  527
- Setting the Agent Contact and Location Information
  531
- Limiting TFTP Servers Used through SNMP
  531
- SNMP Examples
  532
- Displaying SNMP Status
  533
Chapter 30 Configuring Network Security with Acls

535
- Understanding Acls
  535
  - ACL Overview
    536
    
    Port Acls
    536
  - Handling Fragmented and Unfragmented Traffic
    537
- Configuring Ipv4 Acls
  538
  - Creating Standard and Extended Ipv4 Acls
    539
    
    Access List Numbers
    539
    
    Creating a Numbered Standard ACL
    540
    
    Creating a Numbered Extended ACL
    541
    
    Creating Named Standard and Extended Acls
    546
    
    Resequencing Aces in an ACL
    546
    
    Using Time Ranges with Acls
    548
    
    Including Comments in Acls
    549
  - Applying an Ipv4 ACL to a Terminal Line
    550
  - Applying an Ipv4 ACL to a VLAN Interface
    550
  - Hardware and Software Treatment of IP Acls
    551
  - Troubleshooting Acls
    552
  - Ipv4 ACL Configuration Examples
    552
    
    Extended Acls
    553
    
    Named Acls
    553
    
    Numbered Acls
    553
    
    Commented IP ACL Entries
    554
    
    Time Range Applied to an IP ACL
    554
- Displaying Ipv4 ACL Configuration
  555
Chapter 31 Configuring Qos

557
- Understanding Qos
  557
  - Basic Qos Model
    559
  - Classification
    559
  - Queueing Overview
    560
    
    Queueing on Ingress Queues
    560
    
    Weighted Tail Drop
    560
    
    Queueing on Egress Queues
    561
  - Packet Modification
    562
- Configuring Standard Qos
  562
- Displaying Standard Qos Information
  573
CHAPTER 32 Configuring Etherchannels32-1

575
- Understanding Etherchannels
  575
  - Etherchannel Overview
    576
  - C H a P T E R 32 Configuring Etherchannels
    576
  - Port-Channel Interfaces
    577
  - Port Aggregation Protocol
    578
    
    Pagp Modes
    578
    
    Pagp Interaction with Other Features
    579
  - Link Aggregation Control Protocol
    579
    
    LACP Modes
    579
    
    LACP Interaction with Other Features
    580
  - Etherchannel on Mode
    580
  - Load Balancing and Forwarding Methods
    580
- Configuring Etherchannels
  582
- Displaying Etherchannel, Pagp, and LACP Status
  590
Chapter 33 Troubleshooting

593
- Recovering from a Software Failure
  594
- Recovering from a Lost or Forgotten Password
  595
  - Procedure with Password Recovery Enabled
    596
  - Procedure with Password Recovery Disabled
    598
- Recovering from a Command Switch Failure
  599
  - Replacing a Failed Command Switch with a Cluster Member
    600
  - Replacing a Failed Command Switch with Another Switch
    601
- Recovering from Lost Cluster Member Connectivity
  603
- Preventing Autonegotiation Mismatches
  603
- Troubleshooting Power over Ethernet Switch Ports
  603
  - Disabled Port Caused by Power Loss
    604
  - Disabled Port Caused by False Link up
    604
- SFP Module Security and Identification
  604
- Monitoring SFP Module Status
  605
- Using Ping
  605
  - Understanding Ping
    605
  - Executing Ping
    605
- Using Layer 2 Traceroute
  606
  - Understanding Layer 2 Traceroute
    606
  - Usage Guidelines
    607
  - Displaying the Physical Path
    607
- Using IP Traceroute
  608
  - Understanding IP Traceroute
    608
  - Executing IP Traceroute
    609
Using TDR

610
- Understanding TDR
  610
- Running TDR and Displaying the Results
  610
- Using Debug Commands
  610
- Using the Show Platform Forward Command
  612
- Using the Crashinfo Files
  614
  - Basic Crashinfo Files
    614
  - Extended Crashinfo Files
    614
- Memory Consistency Check Routines
  615
- Troubleshooting Tables
  616
  - Troubleshooting CPU Utilization
    616
    
    Possible Symptoms of High CPU Utilization
    616
    
    Verifying the Problem and Cause
    616
  - Troubleshooting Power over Ethernet (Poe)
    617
Appendix

621
Supported Mibs

621
- MIB List
  621
Appendix A Supported MIB

622
- Using FTP to Access the MIB Files
  623
Appendix

625
Working with the Cisco IOS File System, Configuration Files, and Software Images

625
Appendix

659
Unsupported Commands in Cisco IOS Release 12.2(55)EZ

659
- Access Control Lists
  659
- Boot Loader Commands
  660
  - Unsupported Global Configuration Commands
    660
- Debug Commands
  660
  - Unsupported Privileged EXEC Commands
    660
- IEEE 802.1X Commands
  660
  - Unsupported Privileged EXEC Command
    660
  - Unsupported Global Configuration Command
    660
- IGMP Snooping Commands
  660
- Interface Commands
  660
- MAC Address Commands
  661
  - Unsupported Privileged EXEC Commands
    661
- Miscellaneous
  662
  - Unsupported Privileged EXEC Commands
    662
  - Unsupported Global Configuration Commands
    662
- Network Address Translation (NAT) Commands
  662
Qos

662
Snmp

663
- Spanning Tree
  663
  - Unsupported Global Configuration Command
    663
  - Unsupported Interface Configuration Command
    663
Vlan

663
- Unsupported Vlan-Config Command
  664
- Unsupported User EXEC Commands
  664
Vtp

664
- Unsupported Privileged EXEC Commands
  664
I N D E X

665

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More Cisco Manuals

Cisco Catalyst 2928 Manuals

Cisco Catalyst 2928 Software Configuration Manual (700 pages)

Table of Contents

Chapter 1 Overview

CHAPTER 2 Using the Command-Line Interface2-1

Understanding the Help System

Understanding Abbreviated Commands

Understanding no and Default Forms of Commands

Understanding CLI Error Messages

Using Configuration Logging

Using Command History

Using Editing Features

Searching and Filtering Output of Show and more Commands

Accessing the CLI

Chapter 3 Assigning the Switch IP Address and Default Gateway

Default Boot Configuration

Automatically Downloading a Configuration File

Booting Manually

Booting a Specific Software Image

Controlling Environment Variables

Chapter 4 Configuring Cisco IOS CNS Agents

Chapter 5 Clustering Switches

Chapter 6 Configuring SDM Templates

Chapter 7 Administering the Switch

Chapter 8 Configuring Switch-Based Authentication

Default RADIUS Configuration

Identifying the RADIUS Server Host

Configuring RADIUS Login Authentication

Defining AAA Server Groups

Configuring RADIUS Authorization for User Privileged Access and Network Services

Starting RADIUS Accounting

Configuring Settings for All RADIUS Servers

Configuring the Switch to Use Vendor-Specific RADIUS Attributes

Configuring the Switch for Vendor-Proprietary RADIUS Server Communication

CHAPTER 9 Configuring IEEE 802.1X Port-Based Authentication9-1

Understanding IEEE 802.1X Port-Based Authentication

Device Roles

Authentication Process

Authentication Initiation and Message Exchange

Ports in Authorized and Unauthorized States

IEEE 802.1X Host Mode

IEEE 802.1X Accounting

IEEE 802.1X Accounting Attribute-Value Pairs

Table

IEEE 802.1X Authentication Configuration Guidelines

Configuring IEEE 802.1X Authentication

Configuring the Switch-To-RADIUS-Server Communication

Configuring the Host Mode

Configuring Periodic Re-Authentication

Manually Re-Authenticating a Client Connected to a Port

Changing the Quiet Period

Changing the Switch-To-Client Retransmission Time

Setting the Switch-To-Client Frame-Retransmission Number

Setting the Re-Authentication Number

Configuring IEEE 802.1X Accounting

Configuring a Guest VLAN

Configuring a Restricted VLAN

Configuring MAC Authentication Bypass

Disabling IEEE 802.1X Authentication on the Port

Resetting the IEEE 802.1X Authentication Configuration to the Default Values

CHAPTER 10 Configuring Web-Based Authentication

Understanding Web-Based Authentication

Device Roles

Host Detection

Session Creation

Authentication Process

Configuring AAA Authentication

Configuring Switch-To-RADIUS-Server Communication

Configuring the HTTP Server

Configuring the Web-Based Authentication Parameters

Removing Web-Based Authentication Cache Entries

Chapter 11 Configuring Portal-Based Authentication

CHAPTER 12 Configuring Interface Characteristics12-1

Power over Ethernet (Poe) Ports (WS-C2928-24LT-C Only)

Default Ethernet Interface Configuration

Setting the Type of a Dual-Purpose Uplink Port

Configuring Interface Speed and Duplex Mode

Configuring IEEE 802.3X Flow Control

Configuring Auto-MDIX on an Interface

Configuring a Power Management Mode on a Poe Port