Cisco 2950G 48 - Catalyst Switch - Stackable Manuals

Manuals and User Guides for Cisco 2950G 48 - Catalyst Switch - Stackable. We have 4 Cisco 2950G 48 - Catalyst Switch - Stackable manuals available for free PDF download: Software Manual, Hardware Installation Manual, Datasheet, Product Bulletin

Cisco 2950G 48 - Catalyst Switch - Stackable Software Manual (376 pages)

Desktop Switch Software Configuration Guide

Brand: Cisco | Category: Switch | Size: 4 MB

Table of Contents
3
Link

4
- Port Priority
  14
Preface

17
Audience

17
Purpose

17
- Organization
  18
- Conventions
  19
- Related Publications
  20
- Obtaining Documentation
  20
  - World Wide Web
    20
  - Documentation CD-ROM
    21
  - Ordering Documentation
    21
  - Documentation Feedback
    21
- Obtaining Technical Assistance
  21
  - Cisco.com
    22
  - Technical Assistance Center
    22
    
    Cisco TAC Web Site
    22
    
    Cisco TAC Escalation Center
    23
Chapter 1 Overview

25
CHAPTER 2 Getting Started with CMS

39
- Features
  40
- Front Panel View
  42
  - Cluster Tree
    43
  - Front-Panel Images
    44
    
    Redundant Power System LED
    45
  - Port Modes and Leds
    46
  - VLAN Membership Modes
    47
- Topology View
  48
  - Topology Icons
    50
  - Device and Link Labels
    51
  - Colors in the Topology View
    52
  - Topology Display Options
    52
- Menus and Toolbar
  53
  - Menu Bar
    53
  - Tabs, CMS
    54
  - Management VLAN
    56
  - Toolbar
    58
  - Front Panel View Popup Menus
    59
    
    Device Popup Menu
    59
    
    Port Popup Menu
    59
  - Topology View Popup Menus
    60
    
    Link Popup Menu
    60
    
    Device Popup Menus
    61
- Interaction Modes
  63
  - Guide Mode
    63
  - Expert Mode
    63
- Wizards
  64
- Tool Tips
  64
- Online Help
  65
- CMS Window Components
  66
  - Host Name List
    66
  - Tabs, Lists, and Tables
    67
  - Icons Used in Windows
    67
  - Buttons
    67
- Accessing CMS
  68
  - Access Modes in CMS
    69
- Verifying Your Changes
  70
  - Change Notification
    70
  - Error Checking
    70
- Saving Your Changes
  70
- Using Different Versions of CMS
  71
- Where to Go Next
  71
CHAPTER 3 Using the Command-Line Interface

73
- IOS Command Modes
  73
  - List of
    73
- C H a P T E R 3 Using the Command-Line Interface
  74
IOS Command Modes

74
Getting Help

75
Abbreviating Commands

75
Using no and Default Forms of Commands

76
Understanding CLI Messages

76
Using Command History

77
Using Editing Features

78
Searching and Filtering Output of Show and more Commands

80
Accessing the CLI

81
Chapter 4 General Switch Administration

83
- Basic IP Connectivity to the Switch
  83
- Switch Software Releases
  84
- Console Port Access
  84
- Telnet Access to the CLI
  84
- HTTP Access to CMS
  85
- SNMP Network Management Platforms
  86
- Default Settings
  88
  - Switch Port Analyzer
    92
Chapter 5 Clustering Switches

95
HSRP and Standby Command Switches

104
IP Addresses

107
Host Names

108
Passwords

108
SNMP Community Strings

108
Tacacs

109
Access Modes in CMS

109
Management VLAN

109
Availability of Switch-Specific Features in Switch Clusters

110
- Creating a Switch Cluster
  110
  - Enabling a Command Switch
    111
  - Adding Member Switches
    112
  - Creating a Cluster Standby Group
    114
  - Verifying a Switch Cluster
    116
- LRE Profiles
  110
- Using the CLI to Manage Switch Clusters
  117
  - Catalyst 1900 and Catalyst 2820 CLI Considerations
    117
- Using SNMP to Manage Switch Clusters
  118
Chapter 6 Configuring the System

119
- Changing IP Information
  119
  - Manually Assigning and Removing Switch IP Information
    120
  - Using DHCP-Based Autoconfiguration
    120
    
    Understanding DHCP-Based Autoconfiguration
    121
    
    DHCP Client Request Process
    121
    
    Configuring the DHCP Server
    122
    
    Configuring the TFTP Server
    123
    
    Configuring the Domain Name and the DNS
    123
    
    Configuring the Relay Device
    124
    
    Obtaining Configuration Files
    125
    
    Example Configuration
    126
- Changing the Password
  128
- Setting the System Date and Time
  129
  - Configuring Daylight Saving Time
    129
  - Configuring the Network Time Protocol
    129
    
    Configuring the Switch as an NTP Client
    129
    
    Enabling NTP Authentication
    129
    
    Configuring the Switch for NTP Broadcast-Client Mode
    130
- Configuring SNMP
  130
  - Disabling and Enabling SNMP
    130
  - Entering Community Strings
    130
  - Adding Trap Managers
    130
- Configuring CDP
  131
  - Configuring CDP for Extended Discovery
    132
- Managing the ARP Table
  132
- Managing the MAC Address Tables
  133
- Configuring TACACS
  138
- Controlling Switch Access with RADIUS
  142
  - Understanding RADIUS
    142
  - RADIUS Operation
    143
  - Configuring RADIUS
    144
    
    Default RADIUS Configuration
    144
Identifying the RADIUS Server Host

145
Configuring RADIUS Login Authentication

147
Defining AAA Server Groups

149
Configuring RADIUS Authorization for Privileged EXEC Access and Network Services

151
Starting RADIUS Accounting

152
Configuring Settings for All RADIUS Servers

153
Configuring the Switch to Use Vendor-Specific RADIUS Attributes

153
Configuring the Switch for Vendor-Proprietary RADIUS Server Communication

154
- Displaying the RADIUS Configuration
  155
- Configuring 802.1X Port-Based Authentication
  157
Chapter 7 Configuring 802.1X Port-Based Authentication

158
Understanding 802.1X Port-Based Authentication

158
Device Roles

158
Authentication Initiation and Message Exchange

159
Ports in Authorized and Unauthorized States

160
Supported Topologies

161
- Configuring 802.1X Authentication
  162
  - Default 802.1X Configuration
    162
802.1X Configuration Guidelines

163
Enabling 802.1X Authentication

164
Configuring the Switch-To-RADIUS-Server Communication

165
Enabling Periodic Re-Authentication

166
Manually Re-Authenticating a Client Connected to a Port

167
Changing the Quiet Period

167
Changing the Switch-To-Client Retransmission Time

168
Setting the Switch-To-Client Frame-Retransmission Number

169
- Displaying 802.1X Statistics and Status
  170
Enabling Multiple Hosts

169
Resetting the 802.1X Configuration to the Default Values

170
Chapter 8 Configuring Vlans

171
- Overview
  171
- Management Vlans
  173
  - Changing the Management VLAN for a New Switch
    173
  - Changing the Management VLAN through a Telnet Connection
    174
- Assigning VLAN Port Membership Modes
  174
  - VLAN Membership Combinations
    176
Table

176
- Assigning Static-Access Ports to a VLAN
  177
- Using VTP
  177
  - The VTP Domain
    177
  - VTP Modes and Mode Transitions
    177
- VTP Advertisements
  178
- VTP Pruning
  179
- VTP Version 2
  179
- VTP Configuration Guidelines
  180
  - Domain Names
    180
  - Passwords
    180
  - Upgrading from Previous Software Releases
    181
  - VTP Version
    181
  - Default VTP Configuration
    181
- Configuring VTP
  182
  - Configuring VTP Server Mode
    182
  - Configuring VTP Client Mode
    182
  - Disabling VTP (VTP Transparent Mode)
    183
  - Enabling VTP Version 2
    184
  - Disabling VTP Version 2
    184
  - Enabling VTP Pruning
    185
- Monitoring VTP
  185
- Vlans in the VTP Database
  185
  - Token Ring Vlans
    186
  - VLAN Configuration Guidelines
    186
  - Default VLAN Configuration
    186
  - Configuring Vlans in the VTP Database
    187
    
    Adding a VLAN
    188
    
    Modifying a VLAN
    188
    
    Deleting a VLAN from the Database
    188
    
    Assigning Static-Access Ports to a VLAN
    189
- How VLAN Trunks Work
  190
- Load Sharing Using STP
  194
- How the VMPS Works
  198
Understanding Basic STP Features

207
MAC Address Allocation

207
- Understanding Basic STP Features
  208
  - Supported STP Instances
    208
Configuring STP

207
STP Overview

208
Chapter 9 Configuring STP

209
- Election of the Root Switch
  209
Bridge Protocol Data Units

209
STP Timers

210
Creating the STP Topology

210
STP Interface States

211
- Blocking State
  212
- Listening State
  213
- Learning State
  213
- Forwarding State
  213
- Disabled State
  213
- MAC Address Allocation
  214
STP Address Management

214
STP and IEEE 802.1Q Trunks

214
- STP and Redundant Connectivity
  214
STP and Redundant Connectivity

215
- Understanding BPDU Guard
  216
- Understanding Port Fast
  216
- Understanding Uplinkfast
  217
- Understanding Cross-Stack Uplinkfast
  218
  - How CSUF Works
    219
  - Events that Cause Fast Convergence
    220
- Connecting the Stack Ports
  221
- Limitations
  221
- Gigastack
  222
- Understanding Backbonefast
  223
- Understanding Root Guard
  225
- Configuring Basic STP Features
  226
  - Default STP Configuration
    226
Accelerated Aging to Retain Connectivity

215
- Understanding Advanced STP Features
  215
Disabling STP

227
Configuring the Root Switch

227
Configuring a Secondary Root Switch

229
Configuring STP Port Priority

230
Configuring STP Path Cost

231
Configuring the Switch Priority of a VLAN

232
Configuring the Hello Time

233
Configuring the Forwarding-Delay Time for a VLAN

233
Configuring the Maximum-Aging Time for a VLAN

234
Configuring STP for Use in a Cascaded Cluster

234
Displaying STP Status

235
- Configuring Advanced STP Features
  236
  - Configuring Port Fast
    236
  - Configuring BPDU Guard
    237
  - Configuring Uplinkfast for Use with Redundant Links
    238
  - Configuring Cross-Stack Uplinkfast
    239
  - Configuring Backbonefast
    240
  - Configuring Root Guard
    240
Chapter 10 Configuring the Switch Ports

241
- Changing the Port Speed and Duplex Mode
  241
- Configuring Flooding Controls
  244
  - Enabling Storm Control
    244
  - Disabling Storm Control
    245
- Configuring Protected Ports
  245
- Enabling Port Security
  246
  - Defining the Maximum Secure Address Count
    247
  - Enabling Port Security
    247
  - Disabling Port Security
    248
- Understanding the Etherchannel
  248
- Displaying Etherchannel and Pagp Status
  257
- Configuring Unidirectional Link Detection
  258
- Understanding SPAN
  258
  - SPAN Concepts and Terminology
    259
    
    SPAN Session
    259
    
    Traffic Types
    259
    
    Source Port
    260
    
    Destination Port
    260
    
    SPAN Traffic
    261
  - SPAN Interaction with Other Features
    261
- Configuring SPAN
  262
Chapter 11 Configuring IGMP Snooping and MVR

267
- Understanding and Configuring IGMP Snooping
  267
- Understanding Multicast VLAN Registration
  273
  - Using MVR in a Multicast Television Application
    274
  - Configuration Guidelines and Limitations
    276
  - Default MVR Configuration
    276
  - Configuring MVR Global Parameters
    276
  - Configuring MVR Interfaces
    278
  - Displaying MVR
    280
Chapter 12 Configuring Network Security with Acls

283
- Understanding Acls
  283
Acls

284
- Handling Fragmented and Unfragmented Traffic
  285
- Understanding Access Control Parameters
  286
- Guidelines for Configuring Acls on the Catalyst 2950 Switches
  287
- Configuring Acls
  288
  - Unsupported Features
    288
  - Creating Standard and Extended IP Acls
    289
    
    ACL Numbers
    289
    
    Creating a Numbered Standard ACL
    290
    
    Creating a Numbered Extended ACL
    291
    
    Creating Named Standard and Extended Acls
    294
    
    Including Comments about Entries in Acls
    296
  - Applying the ACL to an Interface or Terminal Line
    297
  - Displaying Acls
    298
  - Displaying Access Groups
    299
  - Examples for Compiling Acls
    300
  - Creating Named MAC Extended Acls
    302
  - Creating MAC Access Groups
    303
Chapter 13 Configuring Qo

306
Configuring Qos

306
- Understanding Qos
  306
  - Basic Qos Model
    307
  - Classification
    308
    
    Classification Based on Qos Acls
    309
    
    Classification Based on Class Maps and Policy Maps
    309
  - Policing and Marking
    310
  - Mapping Tables
    311
  - Queueing and Scheduling
    312
    
    How Class of Service Works
    312
    
    Port Priority
    312
    
    Port Scheduling
    312
    
    Cos and WRR
    312
- Configuring Qos
  313
- Displaying Qos Information
  329
- Qos Configuration Examples
  329
  - Qos Configuration for the Common Wiring Closet
    330
  - Qos Configuration for the Intelligent Wiring Closet
    331
Chapter 14 Troubleshooting

333
Appendix

345
Error Messages for Security and Qos Configurations

345
Appendix

349
System Messages

349
- How to Read System Messages
  349
- How to Read
  350
- System Messages
  350
- Message Severity Levels
  350
- Error Message Traceback Reports
  351
- Error Messages and Recovery Procedures
  351
  - Chassis Message
    351
  - CMP Messages
    351
  - Environment Messages
    352
  - Gigastack Messages
    352
  - Link Message
    353
  - RTD Messages
    353
  - Storm Control Messages
    354
I N D E X

355

Cisco 2950G 48 - Catalyst Switch - Stackable Hardware Installation Manual (162 pages)

Catalyst 2900 Series XL Hardware Installation Guide

Brand: Cisco | Category: Switch | Size: 2 MB

Table of Contents
5
Preface

11
- Audience
  11
- Purpose
  11
- Organization
  11
- Conventions
  12
- Related Publications
  15
- Obtaining Documentation
  16
  - World Wide Web
    17
  - Cisco Documentation CD-ROM
    17
  - Ordering Documentation
    17
  - Documentation Feedback
    18
- Obtaining Technical Assistance
  18
  - Cisco.com
    18
  - Technical Assistance Center
    19
    
    Contacting TAC by Using the Cisco TAC Website
    19
    
    Contacting TAC by Telephone
    20
Product Overview

21
- Features
  21
  - Management Interface Options
    24
- Front-Panel Description
  24
  - 10/100 Ports
    26
  - 100BASE-FX Ports
    27
  - Long-Reach Ethernet Ports
    27
  - Module Slots
    28
  - Leds
    29
    
    System LED
    32
    
    Rps Led
    33
    
    Port Leds and Modes
    34
    
    Module Slot Leds
    39
- Rear-Panel Description
  39
- Power Connectors
  41
  - Internal Power Supply Connector
    41
  - DC Power Connector
    41
  - Cisco RPS Connector
    42
  - Console Port
    43
- Installation
  45
  - Preparing for Installation
    45
    
    Warnings
    45
Chapter 2 Installation

46
- EMC Regulatory Statements
  48
  - U.s.a
    48
  - Taiwan
    48
  - Japan
    49
  - Korea
    49
  - Hungary
    50
  - Installation Guidelines
    50
  - Verifying Package Contents
    51
- Installing the Switch on a Table or Shelf
  53
- Installing the Switch in a Rack
  53
- Installing the Switch on a Wall
  64
  - Attaching the Brackets to the Switch
    65
  - Mounting the Switch to a Wall
    66
- Powering on the Switch and Running POST
  68
- Connecting to DC Power
  69
- Connecting to a 10/100 Port
  79
- Connecting to a 100BASE-FX Port
  81
- Connecting to an LRE Port
  82
- Connecting to a Module Port
  86
- Connecting to the Console Port
  86
- Where to Go Next
  87
- Troubleshooting
  89
  - Understanding POST Results
    89
Chapter 3 Troubleshooting

90
- Correcting Module POST Failures
  90
- Diagnosing Problems
  91
- Diagnosing Problems
  92
Technical Specifications

101
Connectors and Cable Specifications

105
- Connector Specifications
  105
  - 10/100 Ports
    105
  - 100BASE-FX Ports
    106
  - LRE Ports
    107
  - Console Port
    107
- Cable and Adapter Specifications
  108
  - Crossover and Straight-Through Cable Pinouts
    108
  - RJ-21 Cable Pinouts
    109
  - Console Port
    109
- Identifying a Rollover Cable
  110
  - Connecting to a PC
    110
  - Connecting to a Terminal
    111
Translated Safety Warnings

113
- Attaching the Cisco RPS (Model PWR600-AC-RPS
  113
- Attaching the Cisco RPS (Model PWR300-AC-RPS-N1
  114
- Qualified Personnel Warning
  115
- Installation Warning
  116
- Jewelry Removal Warning
  117
- Stacking the Chassis Warning
  119
- Main Disconnecting Device
  120
- Overtemperature Warning
  121
- TN Power Warning
  122
- Ground Connection Warning
  123
- Circuit Breaker (15A) Warning
  124
- Grounded Equipment Warning
  126
- Supply Circuit Warning
  127
- Voltage Warning
  128
- Power Supply Warning
  129
- Lightning Activity Warning
  131
- Product Disposal Warning
  133
- Class 1 Laser Product Warning
  134
- Laser Beam Exposure Warning
  135
- No On/Off Switch Warning
  136
- Chassis Warning-Rack-Mounting and Servicing
  137
- Reinforced Insulation Warning
  141
- LAN Connections Only Warning
  142
- No Field-Replaceable Units Warning
  143
- Installation Warning
  144
- SELV Source Warning
  145
- Restricted Access Warning
  146
- Shielded Ethernet Cables Warning
  147
- Grounded Equipment Warning
  148
- Ground Connection Warning
  149
- Qualified Personnel Warning
  150
- DC Power Disconnection Warning
  151
- Exposed Wire Lead Warning
  153
I N D E X

155

Cisco 2950G 48 - Catalyst Switch - Stackable Datasheet (19 pages)

Catalyst 2950 Series Switches with Enhanced Image Software

Brand: Cisco | Category: Switch | Size: 0 MB

Cisco 2950G 48 - Catalyst Switch - Stackable Product Bulletin (3 pages)

for Cisco Catalyst 3550, 2950, 2950 LRE, 2940, and 2955 Series Switches and CIGESM Blade Switch

Brand: Cisco | Category: Software | Size: 0 MB

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Cisco 2950G 48 - Catalyst Switch - Stackable Manuals

Cisco 2950G 48 - Catalyst Switch - Stackable Software Manual (376 pages)

Table of Contents

Link

Preface

Audience

Purpose

Chapter 1 Overview

CHAPTER 2 Getting Started with CMS

CHAPTER 3 Using the Command-Line Interface

IOS Command Modes

Getting Help

Abbreviating Commands

Using no and Default Forms of Commands

Understanding CLI Messages

Using Command History

Using Editing Features

Searching and Filtering Output of Show and more Commands

Accessing the CLI

Chapter 4 General Switch Administration

Chapter 5 Clustering Switches

HSRP and Standby Command Switches

IP Addresses

Host Names

Passwords

SNMP Community Strings

Tacacs

Access Modes in CMS

Management VLAN

Availability of Switch-Specific Features in Switch Clusters

Chapter 6 Configuring the System

Identifying the RADIUS Server Host

Configuring RADIUS Login Authentication

Defining AAA Server Groups

Configuring RADIUS Authorization for Privileged EXEC 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 7 Configuring 802.1X Port-Based Authentication

Understanding 802.1X Port-Based Authentication

Device Roles

Authentication Initiation and Message Exchange

Ports in Authorized and Unauthorized States

Supported Topologies

802.1X Configuration Guidelines

Enabling 802.1X Authentication

Configuring the Switch-To-RADIUS-Server Communication

Enabling 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

Enabling Multiple Hosts

Resetting the 802.1X Configuration to the Default Values

Chapter 8 Configuring Vlans

Table

Understanding Basic STP Features

MAC Address Allocation

Configuring STP

STP Overview

Chapter 9 Configuring STP

Bridge Protocol Data Units

STP Timers

Creating the STP Topology

STP Interface States

STP Address Management

STP and IEEE 802.1Q Trunks

STP and Redundant Connectivity

Accelerated Aging to Retain Connectivity

Disabling STP

Configuring the Root Switch

Configuring a Secondary Root Switch

Configuring STP Port Priority

Configuring STP Path Cost

Configuring the Switch Priority of a VLAN

Configuring the Hello Time

Configuring the Forwarding-Delay Time for a VLAN

Configuring the Maximum-Aging Time for a VLAN

Configuring STP for Use in a Cascaded Cluster