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Catalyst 3750 Switch Software Configuration Guide
Copyright © 2004–2006 Cisco Systems, Inc. All rights reserved.
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CONTENTS
Preface xliii
Audience xliii
Purpose xliii
Conventions xliv
Related Publications xliv
Obtaining Documentation xlvi
Cisco.com xlvi
Product Documentation DVD xlvi
Ordering Documentation xlvi
Documentation Feedback xlvii
Cisco Product Security Overview xlvii
Reporting Security Problems in Cisco Products xlvii
Product Alerts and Field Notices xlviii
Obtaining Technical Assistance xlviii
Cisco Support Website xlviii
Submitting a Service Request xlix
Definitions of Service Request Severity xlix
Obtaining Additional Publications and Information l
CHAPTER
1 Overview 1-1
Features 1-1
Ease-of-Deployment and Ease-of-Use Features 1-2
Performance Features 1-4
Management Options 1-5
Manageability Features 1-5
Availability and Redundancy Features 1-6
VLAN Features 1-7
Security Features 1-8
QoS and CoS Features 1-9
Layer 3 Features 1-11
Power over Ethernet Features 1-12
Monitoring Features 1-12
Default Settings After Initial Switch Configuration 1-12
Contents
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Network Configuration Examples 1-15
Design Concepts for Using the Switch 1-16
Small to Medium-Sized Network Using Catalyst 3750 Switches 1-21
Large Network Using Catalyst 3750 Switches 1-23
Multidwelling Network Using Catalyst 3750 Switches 1-25
Long-Distance, High-Bandwidth Transport Configuration 1-26
Where to Go Next 1-27
CHAPTER
2 Using the Command-Line Interface 2-1
Understanding Command Modes 2-1
Understanding the Help System 2-3
Understanding Abbreviated Commands 2-4
Understanding no and default Forms of Commands 2-4
Understanding CLI Error Messages 2-5
Using Configuration Logging 2-5
Using Command History 2-6
Changing the Command History Buffer Size 2-6
Recalling Commands 2-6
Disabling the Command History Feature 2-7
Using Editing Features 2-7
Enabling and Disabling Editing Features 2-7
Editing Commands through Keystrokes 2-7
Editing Command Lines that Wrap 2-9
Searching and Filtering Output of show and more Commands 2-10
Accessing the CLI 2-10
Accessing the CLI through a Console Connection or through Telnet 2-10
CHAPTER
3 Assigning the Switch IP Address and Default Gateway 3-1
Understanding the Boot Process 3-1
Assigning Switch Information 3-2
Default Switch Information 3-3
Understanding DHCP-Based Autoconfiguration 3-3
DHCP Client Request Process 3-4
Contents
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Configuring DHCP-Based Autoconfiguration 3-5
DHCP Server Configuration Guidelines 3-5
Configuring the TFTP Server 3-6
Configuring the DNS 3-6
Configuring the Relay Device 3-7
Obtaining Configuration Files 3-7
Example Configuration 3-8
Manually Assigning IP Information 3-10
Checking and Saving the Running Configuration 3-10
Modifying the Startup Configuration 3-12
Default Boot Configuration 3-12
Automatically Downloading a Configuration File 3-12
Specifying the Filename to Read and Write the System Configuration 3-12
Booting Manually 3-13
Booting a Specific Software Image 3-14
Controlling Environment Variables 3-15
Scheduling a Reload of the Software Image 3-16
Configuring a Scheduled Reload 3-17
Displaying Scheduled Reload Information 3-18
CHAPTER
4 Configuring Cisco IOS CNS Agents 4-1
Understanding Cisco Configuration Engine Software 4-1
Configuration Service 4-2
Event Service 4-3
NameSpace Mapper 4-3
What You Should Know About the CNS IDs and Device Hostnames 4-3
ConfigID 4-3
DeviceID 4-4
Hostname and DeviceID 4-4
Using Hostname, DeviceID, and ConfigID 4-4
Understanding Cisco IOS Agents 4-5
Initial Configuration 4-5
Incremental (Partial) Configuration 4-6
Synchronized Configuration 4-6
