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... THE POSSIBILITY OF SUCH DAMAGES. CCVP, the Cisco Logo, and the Cisco Square Bridge logo are shown for illustrative purposes only. Any examples, command display output, and figures included in the United States and certain other countries. Catalyst 3750 Switch Software Configuration Guide Copyright © 2004-2006 Cisco Systems, Inc. NOTWITHSTANDING ANY OTHER WARRANTY HEREIN...
... THE POSSIBILITY OF SUCH DAMAGES. CCVP, the Cisco Logo, and the Cisco Square Bridge logo are shown for illustrative purposes only. Any examples, command display output, and figures included in the United States and certain other countries. Catalyst 3750 Switch Software Configuration Guide Copyright © 2004-2006 Cisco Systems, Inc. NOTWITHSTANDING ANY OTHER WARRANTY HEREIN...
Configuration Guide
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... Catalyst 3750 Switches 1-25 Long-Distance, High-Bandwidth Transport Configuration 1-26 Where to Go Next 1-27 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...
... Catalyst 3750 Switches 1-25 Long-Distance, High-Bandwidth Transport Configuration 1-26 Where to Go Next 1-27 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...
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...23 Accessing the CLI of a Specific Stack Member 5-25 Displaying Switch Stack Information 5-25 Clustering Switches 6-1 Understanding Switch Clusters 6-1 Cluster Command Switch Characteristics 6-3 Standby Cluster Command Switch Characteristics 6-3 Candidate Switch and Cluster Member Switch Characteristics 6-4 Planning a Switch Cluster 6-4 Automatic Discovery of Cluster Candidates and Members 6-5... 6-15 TACACS+ and RADIUS 6-16 LRE Profiles 6-16 Using the CLI to Manage Switch Clusters 6-16 Catalyst 1900 and Catalyst 2820 CLI Considerations 6-17 Using SNMP to Manage Switch Clusters 6-17 OL-8550-02...
...23 Accessing the CLI of a Specific Stack Member 5-25 Displaying Switch Stack Information 5-25 Clustering Switches 6-1 Understanding Switch Clusters 6-1 Cluster Command Switch Characteristics 6-3 Standby Cluster Command Switch Characteristics 6-3 Candidate Switch and Cluster Member Switch Characteristics 6-4 Planning a Switch Cluster 6-4 Automatic Discovery of Cluster Candidates and Members 6-5... 6-15 TACACS+ and RADIUS 6-16 LRE Profiles 6-16 Using the CLI to Manage Switch Clusters 6-16 Catalyst 1900 and Catalyst 2820 CLI Considerations 6-17 Using SNMP to Manage Switch Clusters 6-17 OL-8550-02...
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...a Terminal Line 9-6 Configuring Username and Password Pairs 9-6 Configuring Multiple Privilege Levels 9-7 Setting the Privilege Level for a Command 9-8 Changing the Default Privilege Level for Lines 9-9 Logging into and Exiting a Privilege Level 9-9 Controlling Switch Access with TACACS+ 9-10 Understanding TACACS+ 9-10 TACACS+ Operation 9-12 Configuring TACACS+ 9-12 Default TACACS+ ...Authorization for Privileged EXEC Access and Network Services 9-16 Starting TACACS+ Accounting 9-17 Displaying the TACACS+ Configuration 9-17 OL-8550-02 Catalyst 3750 Switch Software Configuration Guide ix
...a Terminal Line 9-6 Configuring Username and Password Pairs 9-6 Configuring Multiple Privilege Levels 9-7 Setting the Privilege Level for a Command 9-8 Changing the Default Privilege Level for Lines 9-9 Logging into and Exiting a Privilege Level 9-9 Controlling Switch Access with TACACS+ 9-10 Understanding TACACS+ 9-10 TACACS+ Operation 9-12 Configuring TACACS+ 9-12 Default TACACS+ ...Authorization for Privileged EXEC Access and Network Services 9-16 Starting TACACS+ Accounting 9-17 Displaying the TACACS+ Configuration 9-17 OL-8550-02 Catalyst 3750 Switch Software Configuration Guide ix
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...Join a Group 24-11 Enabling IGMP Immediate Leave 24-11 Configuring the IGMP Leave Timer 24-12 Configuring TCN-Related Commands 24-13 Controlling the Multicast Flooding Time After a TCN Event 24-13 Recovering from Flood Mode 24-13 Disabling Multicast Flooding During a...-28 Displaying IGMP Filtering and Throttling Configuration 24-29 Configuring Port-Based Traffic Control 25-1 Configuring Storm Control 25-1 Understanding Storm Control 25-1 Default Storm Control Configuration 25-3 Configuring Storm Control and Threshold Levels 25-3 Catalyst 3750 Switch Software Configuration Guide xxii OL-8550-02
...Join a Group 24-11 Enabling IGMP Immediate Leave 24-11 Configuring the IGMP Leave Timer 24-12 Configuring TCN-Related Commands 24-13 Controlling the Multicast Flooding Time After a TCN Event 24-13 Recovering from Flood Mode 24-13 Disabling Multicast Flooding During a...-28 Displaying IGMP Filtering and Throttling Configuration 24-29 Configuring Port-Based Traffic Control 25-1 Configuring Storm Control 25-1 Understanding Storm Control 25-1 Default Storm Control Configuration 25-3 Configuring Storm Control and Threshold Levels 25-3 Catalyst 3750 Switch Software Configuration Guide xxii OL-8550-02
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... with Password Recovery Enabled 43-4 Procedure with Password Recovery Disabled 43-6 Preventing Switch Stack Problems 43-7 Recovering from a Command Switch Failure 43-8 Replacing a Failed Command Switch with a Cluster Member 43-9 Replacing a Failed Command Switch with Another Switch 43-11 Recovering from Lost Cluster Member Connectivity 43-12 Preventing Autonegotiation Mismatches 43-12...Using Layer 2 Traceroute 43-16 Understanding Layer 2 Traceroute 43-16 Usage Guidelines 43-16 Displaying the Physical Path 43-17 Contents OL-8550-02 Catalyst 3750 Switch Software Configuration Guide xxxvii
... with Password Recovery Enabled 43-4 Procedure with Password Recovery Disabled 43-6 Preventing Switch Stack Problems 43-7 Recovering from a Command Switch Failure 43-8 Replacing a Failed Command Switch with a Cluster Member 43-9 Replacing a Failed Command Switch with Another Switch 43-11 Recovering from Lost Cluster Member Connectivity 43-12 Preventing Autonegotiation Mismatches 43-12...Using Layer 2 Traceroute 43-16 Understanding Layer 2 Traceroute 43-16 Usage Guidelines 43-16 Displaying the Physical Path 43-17 Contents OL-8550-02 Catalyst 3750 Switch Software Configuration Guide xxxvii
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...21 Redirecting Debug and Error Message Output 43-21 Using the show platform forward Command 43-22 Using the crashinfo Files 43-24 Basic crashinfo Files 43-24 Extended... the Catalyst 3750G Integrated Wireless LAN Controller Switch A-1 Understanding the Wireless LAN Controller Switch A-2 The Wireless LAN Controller Switch and Switch Stacks A-2 Controller and Switch Interaction A-3 Internal Ports A-3 Configuring the Wireless LAN Controller Switch A-4 Internal Port Configuration A-4 Reconfiguring the Internal Ports A-5 Accessing the Controller A-6 Displaying Internal Wireless Controller Information ...
...21 Redirecting Debug and Error Message Output 43-21 Using the show platform forward Command 43-22 Using the crashinfo Files 43-24 Basic crashinfo Files 43-24 Extended... the Catalyst 3750G Integrated Wireless LAN Controller Switch A-1 Understanding the Wireless LAN Controller Switch A-2 The Wireless LAN Controller Switch and Switch Stacks A-2 Controller and Switch Interaction A-3 Internal Ports A-3 Configuring the Wireless LAN Controller Switch A-4 Internal Port Configuration A-4 Reconfiguring the Internal Ports A-5 Accessing the Controller A-6 Displaying Internal Wireless Controller Information ...
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...D I X Unsupported Commands in Cisco IOS Release 12.2(35)SE D-1 Access Control Lists D-1 Unsupported Privileged EXEC Commands D-1 Unsupported Global Configuration Commands D-1 Unsupported Route-Map Configuration Commands D-1 Archive Commands D-2 Unsupported Privileged EXEC Commands D-2 ARP Commands D-2 Unsupported Global Configuration Commands D-2 Unsupported Interface Configuration Commands D-2 Boot Loader Commands D-2 Unsupported Global Configuration Commands D-2 FallBack Bridging D-2 Unsupported Privileged EXEC Commands D-2 Unsupported Global Configuration Commands D-3 Unsupported Interface...
...D I X Unsupported Commands in Cisco IOS Release 12.2(35)SE D-1 Access Control Lists D-1 Unsupported Privileged EXEC Commands D-1 Unsupported Global Configuration Commands D-1 Unsupported Route-Map Configuration Commands D-1 Archive Commands D-2 Unsupported Privileged EXEC Commands D-2 ARP Commands D-2 Unsupported Global Configuration Commands D-2 Unsupported Interface Configuration Commands D-2 Boot Loader Commands D-2 Unsupported Global Configuration Commands D-2 FallBack Bridging D-2 Unsupported Privileged EXEC Commands D-2 Unsupported Global Configuration Commands D-3 Unsupported Interface...
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... Unsupported Global Configuration Commands D-11 Unsupported Interface Configuration Commands D-11 Unsupported Policy-Map Configuration Commands D-11 RADIUS D-11 Unsupported Global Configuration Commands D-11 SNMP D-11 Unsupported Global Configuration Commands D-11 Spanning Tree D-11 Unsupported Global Configuration Command D-11 Unsupported Interface Configuration Command D-12 VLAN D-12 Unsupported Global Configuration Commands D-12 Unsupported User EXEC Commands D-12 Catalyst 3750 Switch Software Configuration...
... Unsupported Global Configuration Commands D-11 Unsupported Interface Configuration Commands D-11 Unsupported Policy-Map Configuration Commands D-11 RADIUS D-11 Unsupported Global Configuration Commands D-11 SNMP D-11 Unsupported Global Configuration Commands D-11 Spanning Tree D-11 Unsupported Global Configuration Command D-11 Unsupported Interface Configuration Command D-12 VLAN D-12 Unsupported Global Configuration Commands D-12 Unsupported User EXEC Commands D-12 Catalyst 3750 Switch Software Configuration...
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... switch module. For information about these commands, see the Catalyst 3750 Switch System Message Guide for this release and the Catalyst 3750 Switch Hardware Installation Guide. For more information, see the Catalyst 3750 Switch Command Reference for this release. For documentation ...switch. To distinguish it from the Cisco.com home page at Technical Support & Documentation > Cisco IOS Software. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide xliii The IP base image provides Layer 2+ features including access control lists (ACLs), quality of service ...
... switch module. For information about these commands, see the Catalyst 3750 Switch System Message Guide for this release and the Catalyst 3750 Switch Hardware Installation Guide. For more information, see the Catalyst 3750 Switch Command Reference for this release. For documentation ...switch. To distinguish it from the Cisco.com home page at Technical Support & Documentation > Cisco IOS Software. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide xliii The IP base image provides Layer 2+ features including access control lists (ACLs), quality of service ...
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... in boldface screen font. • Nonprinting characters, such as passwords or tabs, are in the release notes (not orderable but available on Cisco.com). • For Network Assistant requirements, see the Getting Started with the CLI-Based Setup Program" appendix in the hardware installation guide....: • Commands and keywords are in boldface text. • Arguments for which you supply values are in this manual. Caution Means reader be careful. In this situation, you might do something that could result in equipment damage or loss of data. Catalyst 3750 Switch Software...
... in boldface screen font. • Nonprinting characters, such as passwords or tabs, are in the release notes (not orderable but available on Cisco.com). • For Network Assistant requirements, see the Getting Started with the CLI-Based Setup Program" appendix in the hardware installation guide....: • Commands and keywords are in boldface text. • Arguments for which you supply values are in this manual. Caution Means reader be careful. In this situation, you might do something that could result in equipment damage or loss of data. Catalyst 3750 Switch Software...
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... but available on Cisco.com) • Catalyst 3750 Switch Command Reference (not orderable but available on Cisco.com) • Device manager online help (available on the switch) • Catalyst 3750 Switch Hardware Installation Guide (not orderable but available on Cisco.com) • Catalyst 3750 Switch Getting Started Guide (order number DOC-7816663= • Catalyst 3750 Integrated Wireless LAN Controller Switch Getting Started...
... but available on Cisco.com) • Catalyst 3750 Switch Command Reference (not orderable but available on Cisco.com) • Device manager online help (available on the switch) • Catalyst 3750 Switch Hardware Installation Guide (not orderable but available on Cisco.com) • Catalyst 3750 Switch Getting Started Guide (order number DOC-7816663= • Catalyst 3750 Integrated Wireless LAN Controller Switch Getting Started...
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... product documentation on the Cisco website at this URL: http://www.cisco.com/public/countries_languages.shtml Product Documentation DVD The Product Documentation DVD is created and released regularly. Obtaining Documentation Preface These documents provide complete information about the Catalyst 3750G Integrated Wireless LAN Controller Switch and the integrated wireless LAN controller and are available at cisco.com: • Catalyst 3750 Integrated Wireless LAN Controller Switch Getting Started Guide...
... product documentation on the Cisco website at this URL: http://www.cisco.com/public/countries_languages.shtml Product Documentation DVD The Product Documentation DVD is created and released regularly. Obtaining Documentation Preface These documents provide complete information about the Catalyst 3750G Integrated Wireless LAN Controller Switch and the integrated wireless LAN controller and are available at cisco.com: • Catalyst 3750 Integrated Wireless LAN Controller Switch Getting Started Guide...
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... and record the information before placing a service call. Search results show command output. To find technical information, narrow your search to look in which your service request is a critical impact to the Search box on the Cisco.com home page, click the Advanced Search link next to your situation,...61 2 8446 7411 Australia: 1 800 805 227 EMEA: +32 2 704 55 55 USA: 1 800 553 2447 For a complete list of any Cisco.com web page. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide xlix If your issue is not resolved using the Search box on the resulting page and then...
... and record the information before placing a service call. Search results show command output. To find technical information, narrow your search to look in which your service request is a critical impact to the Search box on the Cisco.com home page, click the Advanced Search link next to your situation,...61 2 8446 7411 Australia: 1 800 805 227 EMEA: +32 2 704 55 55 USA: 1 800 553 2447 For a complete list of any Cisco.com web page. OL-8550-02 Catalyst 3750 Switch Software Configuration Guide xlix If your issue is not resolved using the Search box on the resulting page and then...
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... or switch-router in the stack without needing to remember command-line interface (CLI) commands to those used on the front-panel images. Automatic discovery...technology for - Accomplishing multiple configuration tasks from the LEDs on the physical LEDs. • Cisco StackWise technology for - Unified configuration, monitoring, authentication, and software upgrade of multiple, cluster...Extended discovery of up to identify link information between switches. - OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 1-3 Monitoring real-time status of new stack members with...
... or switch-router in the stack without needing to remember command-line interface (CLI) commands to those used on the front-panel images. Automatic discovery...technology for - Accomplishing multiple configuration tasks from the LEDs on the physical LEDs. • Cisco StackWise technology for - Unified configuration, monitoring, authentication, and software upgrade of multiple, cluster...Extended discovery of up to identify link information between switches. - OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 1-3 Monitoring real-time status of new stack members with...
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... CiscoWorks2000 LAN Management Suite (LMS) and HP OpenView. You can automate initial configurations and configuration updates by connecting your management station directly to drop packets with Cisco Network Assistant, available on the network OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 1-5 For more information about the device manager, see Chapter 2, "Using the Command...
... CiscoWorks2000 LAN Management Suite (LMS) and HP OpenView. You can automate initial configurations and configuration updates by connecting your management station directly to drop packets with Cisco Network Assistant, available on the network OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 1-5 For more information about the device manager, see Chapter 2, "Using the Command...
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... IP base and IP services images) • On the Catalyst 3750G Integrated Wireless LAN Controller Switch only, an integrated Catalyst 3750 switch and Cisco 4400 series wireless LAN controller that supports up to 25 or 50 lightweight access points Availability and Redundancy Features These are the availability and redundancy features: • HSRP for command switch and Layer 3 router redundancy • Automatic stack master...
... IP base and IP services images) • On the Catalyst 3750G Integrated Wireless LAN Controller Switch only, an integrated Catalyst 3750 switch and Cisco 4400 series wireless LAN controller that supports up to 25 or 50 lightweight access points Availability and Redundancy Features These are the availability and redundancy features: • HSRP for command switch and Layer 3 router redundancy • Automatic stack master...
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...QoS to prioritize applications such as IP telephony during congestion and to help control both delay and jitter within the network. • Use switches that support at higher speeds Use the Catalyst Long-Reach Ethernet (LRE) switches to provide up to efficiently forward multimedia... integration, application prioritization, and security. All stack members have a switch stack of the switch stack. • Use cross-stack EtherChannels for providing redundant links across the switch stack. • Use Hot Standby Router Protocol (HSRP) for cluster command switch and router redundancy. ...
...QoS to prioritize applications such as IP telephony during congestion and to help control both delay and jitter within the network. • Use switches that support at higher speeds Use the Catalyst Long-Reach Ethernet (LRE) switches to provide up to efficiently forward multimedia... integration, application prioritization, and security. All stack members have a switch stack of the switch stack. • Use cross-stack EtherChannels for providing redundant links across the switch stack. • Use Hot Standby Router Protocol (HSRP) for cluster command switch and router redundancy. ...
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Chapter 1 Overview Where to Go Next Figure 1-9 Long-Distance, High-Bandwidth Transport Configuration Access layer Aggregation layer 8 Gbps Catalyst switches CWDM OADM modules Eight 1-Gbps connections CWDM OADM modules Catalyst 4500 multilayer switches Where to Go Next Before configuring the switch, review these sections for startup information: • Chapter 2, "Using the Command-Line Interface" • Chapter 3, "Assigning the Switch IP Address and Default Gateway" 95750 OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 1-27
Chapter 1 Overview Where to Go Next Figure 1-9 Long-Distance, High-Bandwidth Transport Configuration Access layer Aggregation layer 8 Gbps Catalyst switches CWDM OADM modules Eight 1-Gbps connections CWDM OADM modules Catalyst 4500 multilayer switches Where to Go Next Before configuring the switch, review these sections for startup information: • Chapter 2, "Using the Command-Line Interface" • Chapter 3, "Assigning the Switch IP Address and Default Gateway" 95750 OL-8550-02 Catalyst 3750 Switch Software Configuration Guide 1-27
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... when the switch reboots. The user EXEC commands are one-time commands, such as show commands, which show and more Commands, page 2-10 • Accessing the CLI, page 2-10 Understanding Command Modes The Cisco IOS user interface is divided into many different modes. To have access to configure your Catalyst 3750 switch. From this mode, you can...
... when the switch reboots. The user EXEC commands are one-time commands, such as show commands, which show and more Commands, page 2-10 • Accessing the CLI, page 2-10 Understanding Command Modes The Cisco IOS user interface is divided into many different modes. To have access to configure your Catalyst 3750 switch. From this mode, you can...