Cisco WS-C2955S-12 Manuals

Manuals and User Guides for Cisco WS-C2955S-12. We have 1 Cisco WS-C2955S-12 manual available for free PDF download: Configuration Manual

Cisco WS-C2955S-12 Configuration Manual (612 pages)

Catalyst 4500 Series Switches

Brand: Cisco | Category: Switch | Size: 6.32 MB

Configuration Guide
1
Table of Contents
3
Related Documentation
25
Obtaining Documentation
27
- Ordering Documentation
  27
- Documentation Feedback
  28
Obtaining Technical Assistance
28
- Technical Assistance Center
  29
Obtaining Additional Publications and Information
30
Catalyst 4000 Series Switches
31
Product Overview
31
Chapter 1 Product Overview

32
- Catalyst 2980G Switch
  33
- Supervisor Engine Software
  33
  - Catalyst 2980G Switch
    34
  - Supervisor Engine Software
    34
CHAPTER 2 Using the Command-Line Interface

35
CHAPTER 3 Configuring the Switch IP Address and Default Gateway

45
CHAPTER 4 Configuring Ethernet and Fast Ethernet Switching

57
Chapter 5 Configuring Gigabit Ethernet Switching

65
CHAPTER 6 Configuring Fast Etherchannel and Gigabit Etherchannel

75
Chapter 7 Configuring Spanning Tree

98
- Understanding How Stps Work
  98
  - Understanding How a Topology Is Created
    98
  - Understanding How a Switch or Port Becomes the Root Switch or Root Port
    99
  - Understanding Bpdus
    100
  - Calculating and Assigning Port Costs
    100
  - Understanding Spanning Tree Port States
    101
    
    Blocking State
    103
    
    Listening State
    103
    
    Learning State
    104
    
    Forwarding State
    105
- Understanding How PVST+ and MISTP Modes Work
  107
  - PVST+ Mode
    108
  - Rapid PVST
    108
  - MISTP Mode
    108
  - MISTP-PVST+ Mode
    109
- Understanding How Bridge Identifiers Work
  109
  - MAC Address Allocation
    109
  - MAC Address Reduction
    109
- Understanding How MST Works
  110
  - Rapid Spanning Tree Protocol
    112
  - MST-To-SST Interoperability
    113
  - Common Spanning Tree
    114
  - MST Instances
    114
  - MST Configuration
    114
  - MST Region
    115
  - Message Age and Hop Count
    117
  - MST-To-PVST+ Interoperability
    117
- Understanding How BPDU Skewing Works
  118
- Using PVST
  118
- Using Rapid PVST
  124
- Using MISTP-PVST+ or MISTP
  126
- Configuring a Root Switch
  135
- Configuring Spanning Tree Timers
  140
- Configuring MST
  142
  - Enabling MST
    142
  - Mapping and Unmapping Vlans to an MST Instance
    150
- Configuring Spanning Tree BPDU Skewing
  153
CHAPTER 8 Configuring Spanning Tree Portfast, BPDU Guard, BPDU Filter, Uplinkfast, Backbonefast, and

157
- Understanding How Portfast Works
  157
- Understanding How Portfast BPDU Guard Works
  158
- Understanding How Portfast BPDU Filtering Works
  158
- Understanding How Uplinkfast Works
  159
- Understanding How Backbonefast Works
  160
- Understanding How Loop Guard Works
  162
- Configuring Portfast
  164
  - Enabling Portfast on an Access Port
    164
  - Enabling Portfast on a Trunk Port
    165
  - Disabling Portfast
    166
  - Resetting Portfast
    167
- Configuring Portfast BPDU Guard
  167
  - Enabling Portfast BPDU Guard
    167
  - Disabling Portfast BPDU Guard
    168
- Configuring Portfast BPDU Filtering
  169
  - Enabling Portfast BPDU Filtering
    169
  - Disabling Portfast BPDU Filtering
    170
- Configuring Uplinkfast
  171
  - Enabling Uplinkfast
    171
  - Disabling Uplinkfast
    172
- Configuring Backbonefast
  173
  - Enabling Backbonefast
    173
  - Displaying Backbonefast Statistics
    173
  - Disabling Backbonefast
    174
- Configuring Loop Guard
  174
  - Enabling Loop Guard
    174
  - Disabling Loop Guard
    175
- Configuring VTP
  177
- Understanding How VTP Version 1 and Version 2 Work
  177
Chapter 9 Configuring VTP

178
- Understanding the VTP Domain
  178
- Understanding VTP Modes
  178
- Understanding VTP Advertisements
  179
- Understanding VTP Version 2
  179
- Understanding VTP Pruning
  180
- Default VTP Version 1 and Version 2 Configuration
  181
- VTP Version 1 and Version 2 Configuration Guidelines
  182
- Configuring VTP Version 1 and Version 2
  183
  - Configuring a VTP Server
    183
  - Configuring a VTP Client
    183
  - Configuring VTP (VTP Transparent Mode)
    184
  - Disabling VTP Using the off Mode
    185
  - Enabling VTP Version 2
    185
  - Disabling VTP Version 2
    186
  - Enabling VTP Pruning
    187
  - Disabling VTP Pruning
    188
  - Displaying VTP Statistics
    188
- Understanding How VTP Version 3 Works
  189
  - VTP Version 3 Authentication
    189
  - VTP Version 3 Per-Port Configuration
    190
  - VTP Version 3 Domains, Modes, and Partitions
    190
  - VTP Version 3 Modes
    194
  - VTP Version 3 Databases
    195
- Default VTP Version 3 Configuration
  198
- Configuring VTP Version 3
  198
- Understanding How Vlans Work
  207
Chapter 10 Configuring VLAN

208
- VLAN Ranges
  209
- Configurable VLAN Parameters
  210
- VLAN Default Configuration
  210
- VLAN Configuration Guidelines
  211
- Configuring Vlans on the Switch
  212
- Configuring Auxiliary Vlans
  219
  - Understanding Auxiliary Vlans
    219
- Configuring Private Vlans
  222
Chapter 11 Configuring VLAN Trunks on Fast Ethernet and Gigabit Ethernet Ports

231
- Understanding How VLAN Trunks Work
  231
  - Trunking Overview
    231
  - Trunking Modes and Encapsulation Types
    232
  - Trunking Support
    233
  - 802.1Q Trunk Restrictions
    234
- Default Trunk Configuration
  235
- Configuring a Trunk Link
  235
  - Configuring an 802.1Q Trunk
    235
  - Defining the Allowed Vlans on a Trunk
    236
  - Disabling a Trunk Port
    237
- Disabling VLAN 1 on a Trunk Link
  238
- Example VLAN Trunk Configurations
  239
Chapter 12 Configuring Dynamic VLAN Membership with VMPS

253
- Understanding How VMPS Works
  253
- VMPS and Dynamic Port Hardware and Software Requirements
  254
- Default VMPS and Dynamic Port Configuration
  255
- Configuration Guidelines for Dynamic Ports and VMPS
  255
- Configuring VMPS
  256
  - Creating the VMPS Database
    256
- Catalyst 2948G Switch
  257
  - Configuring the VMPS Server
    259
  - Configuring VMPS Clients
    260
  - Monitoring VMPS
    261
  - Maintaining VMPS
    261
  - Configuring Static Ports
    262
- Troubleshooting VMPS and Dynamic Port VLAN Membership
  263
  - Troubleshooting VMPS
    263
  - Troubleshooting Dynamic Ports
    263
- VMPS Example
  264
- Dynamic Port VLAN Membership with Auxiliary Vlans
  266
  - Configuration Guidelines
    267
  - Configuring Dynamic Port VLAN Membership with Auxiliary Vlans
    267
Chapter 13 Configuring GVRP

269
- Understanding How GVRP Works
  269
- GVRP Hardware and Software Requirements
  269
- Default GVRP Configuration
  270
- GVRP Configuration Guidelines
  270
- Configuring GVRP on the Switch
  270
  - Enabling GVRP Globally
    270
  - Enabling GVRP on Individual 802.1Q Trunk Ports
    271
  - Enabling GVRP Dynamic VLAN Creation
    272
  - Configuring GVRP Registration
    272
  - Sending GVRP VLAN Declarations from Blocking Ports
    274
  - Setting the GARP Timers
    274
  - Displaying GVRP Statistics
    275
  - Clearing GVRP Statistics
    276
  - Disabling GVRP on Individual 802.1Q Trunk Ports
    276
  - Disabling GVRP Globally
    276
Configuring Qos

277
- Understanding How Qos Works
  277
  - Qos Overview
    277
Chapter 14 Configuring Qo

278
Chapter 15 Configuring Multicast Services

285
- Understanding How Multicasting Works
  285
- Configuring CGMP
  288
  - CGMP Hardware and Software Requirements
    288
  - Default CGMP Configuration
    288
  - Enabling CGMP
    288
  - Enabling CGMP Leave Processing
    289
  - Enabling CGMP Fast-Leave Processing
    289
  - Displaying Multicast Router Information
    290
  - Displaying Multicast Group Information
    290
  - Displaying CGMP Statistics
    291
  - Disabling CGMP Leave Processing
    292
  - Disabling CGMP Fast-Leave Processing
    292
  - Disabling CGMP
    292
- Configuring GMRP
  293
  - GMRP Software Requirements
    293
  - Default GMRP Configuration
    293
  - Enabling GMRP Globally
    293
  - Enabling GMRP on Individual Switch Ports
    294
  - Disabling GMRP on Individual Switch Ports
    294
  - Enabling GMRP Forward-All Option
    295
  - Disabling GMRP Forward-All Option
    295
  - Configuring GMRP Registration
    296
  - Setting the GARP Timers
    297
  - Displaying GMRP Statistics
    298
  - Clearing GMRP Statistics
    299
  - Disabling GMRP
    299
- Configuring Multicast Router Ports and Group Entries
  299
- Filtering IGMP Traffic
  301
  - Using IGMP Traffic Filtering
    302
  - IGMP Software Requirements
    302
  - Default IGMP Filter Configuration
    302
  - IGMP Multicast Filter Activation
    303
  - Configuring Port IP Multicast Filtering
    304
Chapter 16 Configuring Port Security

309
Chapter 17 Configuring Unicast Flood Blocking

321
Chapter 18 Configuring the IP Permit List

325
Chapter 19 Configuring Protocol Filtering

331
Chapter 20 Checking Status and Connectivity

335
- Checking Module Status
  335
- Checking Port Status
  336
- Displaying the Port MAC Address
  338
- Displaying Port Capabilities
  339
- Using Telnet
  340
- Changing the Login Timer
  340
- Using Secure Shell Encryption for Telnet Sessions
  341
- Monitoring User Sessions
  342
- Using Ping
  343
  - Understanding How Ping Works
    343
  - Executing Ping
    344
- Using Layer 2 Traceroute
  345
  - Layer 2 Traceroute Usage Guidelines
    345
  - Identifying a Layer 2 Path
    345
- Using IP Traceroute
  346
  - Understanding How IP Traceroute Works
    346
  - Executing IP Traceroute
    346
Chapter 21 Configuring CDP

349
- Understanding How CDP Works
  349
- Default CDP Configuration
  350
- Configuring CDP on the Switch
  350
Chapter 22 Using Switch Topn Reports

355
Chapter 23 Configuring UDLD

361
- Understanding How UDLD Works
  361
- UDLD Software and Hardware Requirements
  362
- Default UDLD Configuration
  362
- Configuring UDLD on the Switch
  363
  - Enabling UDLD Globally
    363
  - Enabling UDLD on Individual Ports
    364
  - Disabling UDLD on Individual Ports
    364
  - Disabling UDLD Globally
    364
  - Specifying the UDLD Message Interval
    365
  - Enabling UDLD Aggressive Mode
    365
  - Displaying the UDLD Configuration
    366
Chapter 24 Configuring SNMP

369
- SNMP Terminology
  369
- SNMP Terminology
  370
- Understanding How SNMP Works
  371
  - Security Models and Levels
    372
  - SNMP Ifindex Persistence Feature
    372
  - Understanding How SNMP Works
    372
- Understanding How Snmpv1 and Snmpv2C Work
  373
- Snmpv1 and Snmpv2C Default Configuration
  374
- Configuring Snmpv1 and Snmpv2C from an NMS
  374
- Configuring Snmpv1 and Snmpv2C from the CLI
  374
  - Snmpv1 and Snmpv2C Enhancements in Software Release 7.5(1)
    376
- Understanding Snmpv3
  379
  - Benefits of Snmpv3
    379
  - SNMP Entity
    379
- Configuring Snmpv3 from an NMS
  382
- Configuring Snmpv3 from the CLI
  382
- Using Ciscoworks2000
  385
Chapter 25 Configuring RMON

387
- Understanding How RMON Works
  387
- Enabling RMON
  388
- Viewing RMON Data
  388
- Supported RMON and RMON2 MIB Objects
  388
Chapter 26 Configuring SPAN and RSPAN

391
- Understanding How SPAN and RSPAN Work
  391
  - SPAN Session
    391
  - Destination Port
    392
  - Source Port
    392
  - Reflector Port
    393
  - Ingress SPAN
    393
  - Egress SPAN
    393
- Vspan
  
  393
  - Configuring SPAN
    394
    
    Understanding How SPAN Works
    394
    
    SPAN Configuration Guidelines
    395
    
    Configuring SPAN
    396
  - SPAN and RSPAN Session Limits
    394
  - SPAN Traffic
    394
  - Trunk VLAN Filtering
    394
  - Configuring RSPAN
    398
    
    RSPAN Software and Hardware Requirements
    398
    
    Understanding How RSPAN Works
    398
    
    RSPAN Configuration Guidelines
    399
    
    Configuring RSPAN
    400
    
    RSPAN Configuration Examples
    403
Chapter 27 Administering the Switch

409
- Setting the System Name and System Prompt
  409
  - Configuring the System Name and Prompt
    410
- Setting the System Contact and Location
  411
- Setting the System Clock
  412
- Creating a Login Banner
  412
  - Configuring a Login Banner
    412
  - Clearing the Login Banner
    413
Enabling or Disabling the "Cisco Systems Console" Telnet Login Banner

413
Chapter 28 Power Management

421
Chapter 29 Configuring Voip

441
- Hardware and Software Requirements
  441
- Overview of IP Phones
  442
- Configuring Voip on a Switch
  443
- Configuring Voip on a Switch
  444
Chapter 30 Configuring Switch Access Using AAA

445
- Understanding How Authentication Works
  445
- Configuring Authentication
  452
- Authentication Example
  484
- Understanding How Authorization Works
  485
  - Authorization Events
    485
  - TACACS+ Primary and Fallback Options
    485
  - TACACS+ Command Authorization
    486
  - RADIUS Authorization
    486
- Configuring Authorization
  487
- Authorization Example
  490
- Understanding How Accounting Works
  491
  - Accounting Overview
    492
  - Accounting Events
    492
  - Specifying When to Create Accounting Records
    492
  - Specifying RADIUS Servers
    493
  - Updating the Server
    494
  - Suppressing Accounting
    494
- Configuring Accounting
  494
  - Accounting Default Configuration
    494
  - Accounting Configuration Guidelines
    494
  - Configuring Accounting
    495
- Accounting Example
  497
Chapter 31 Configuring 802.1X Authentication

499
Chapter 32 Modifying the Switch Boot Configuration

517
Chapter 33 Working with System Software Images

525
Chapter 34 Working with the Flash File System

539
- Working with the Flash File System on the Switch
  539
  - Setting the Default Flash Device
    539
  - Setting the Text File Configuration Mode
    540
  - Listing the Files on a Flash Device
    540
  - Displaying the Contents of a File on a Flash Device
    541
  - Copying Files
    542
  - Deleting Files
    543
  - Restoring Deleted Files
    544
  - Verifying a File Checksum
    545
Chapter 35 Working with Configuration Files

547
Chapter 36 Configuring Switch Acceleration

555
Chapter 37 Configuring System Message Logging

559
- Understanding How System Message Logging Works
  559
- System Log Message Format
  561
Chapter 38 Configuring DNS

571
- Understanding How DNS Works
  571
- Default DNS Configuration
  571
- Configuring DNS on the Switch
  572
  - Setting up and Enabling DNS
    572
  - Clearing a DNS Server
    573
  - Clearing the DNS Domain Name
    573
  - Disabling DNS
    573
Chapter 39 Configuring NTP

575
- Understanding How NTP Works
  575
- Default NTP Configuration
  576
- Configuring NTP on the Switch
  576
  - Enabling NTP in Broadcast-Client Mode
    576
  - Configuring NTP in Client Mode
    577
  - Configuring Authentication in Client Mode
    578
  - Setting the Time Zone
    579
  - Enabling the Daylight Saving Time Adjustment
    579
  - Disabling the Daylight Saving Time Adjustment
    581
  - Clearing the Time Zone
    581
  - Clearing NTP Servers
    581
  - Disabling NTP
    582
Appendix

583
A Acronyms

583
Appendix A Acronym

585
- Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide — Release
  585
I N D E X

593

Cisco Categories

Switch IP Phone

Network Router Wireless Access Point Conference System

More Cisco Manuals

Cisco WS-C2955S-12 Manuals

Cisco WS-C2955S-12 Configuration Manual (612 pages)

Table of Contents

Chapter 1 Product Overview

CHAPTER 2 Using the Command-Line Interface

CHAPTER 3 Configuring the Switch IP Address and Default Gateway

CHAPTER 4 Configuring Ethernet and Fast Ethernet Switching

Chapter 5 Configuring Gigabit Ethernet Switching

CHAPTER 6 Configuring Fast Etherchannel and Gigabit Etherchannel

Chapter 7 Configuring Spanning Tree

CHAPTER 8 Configuring Spanning Tree Portfast, BPDU Guard, BPDU Filter, Uplinkfast, Backbonefast, and

Chapter 9 Configuring VTP

Chapter 10 Configuring VLAN

Chapter 11 Configuring VLAN Trunks on Fast Ethernet and Gigabit Ethernet Ports

Chapter 12 Configuring Dynamic VLAN Membership with VMPS

Chapter 13 Configuring GVRP

Configuring Qos

Chapter 14 Configuring Qo

Chapter 15 Configuring Multicast Services

Chapter 16 Configuring Port Security

Chapter 17 Configuring Unicast Flood Blocking

Chapter 18 Configuring the IP Permit List

Chapter 19 Configuring Protocol Filtering

Chapter 20 Checking Status and Connectivity

Chapter 21 Configuring CDP

Chapter 22 Using Switch Topn Reports

Chapter 23 Configuring UDLD

Chapter 24 Configuring SNMP

Chapter 25 Configuring RMON

Chapter 26 Configuring SPAN and RSPAN

Vspan

Chapter 27 Administering the Switch

Enabling or Disabling the "Cisco Systems Console" Telnet Login Banner

Chapter 28 Power Management

Chapter 29 Configuring Voip

Chapter 30 Configuring Switch Access Using AAA

Chapter 31 Configuring 802.1X Authentication

Chapter 32 Modifying the Switch Boot Configuration

Chapter 33 Working with System Software Images

Chapter 34 Working with the Flash File System

Chapter 35 Working with Configuration Files

Chapter 36 Configuring Switch Acceleration

Chapter 37 Configuring System Message Logging

Chapter 38 Configuring DNS

Chapter 39 Configuring NTP

Appendix

A Acronyms

Appendix A Acronym

I N D E X

Related Products

Cisco Categories