Software Guide
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... WITH ALL FAULTS. and certain other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc. The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley... OR INCIDENTAL DAMAGES, INCLUDING, WITHOUT LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. and Aironet, ASIST, BPX, Catalyst, ...
... WITH ALL FAULTS. and certain other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc. The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley... OR INCIDENTAL DAMAGES, INCLUDING, WITHOUT LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. and Aironet, ASIST, BPX, Catalyst, ...
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... Documentation xxvii Documentation Feedback xxviii Obtaining Technical Assistance xxviii Cisco.com xxviii Technical Assistance Center xxix Obtaining Additional Publications and Information xxx Product Overview 1-1 Catalyst 4000 Series Switches 1-1 Catalyst 2948G Switch 1-2 Catalyst 2980G Switch 1-3 Supervisor Engine Software 1-3 Using the Command-Line Interface 2-1 Switch CLI Overview 2-1 Accessing the Switch CLI 2-2 Accessing the CLI Through the Console Port 2-2 Accessing...
... Documentation xxvii Documentation Feedback xxviii Obtaining Technical Assistance xxviii Cisco.com xxviii Technical Assistance Center xxix Obtaining Additional Publications and Information xxx Product Overview 1-1 Catalyst 4000 Series Switches 1-1 Catalyst 2948G Switch 1-2 Catalyst 2980G Switch 1-3 Supervisor Engine Software 1-3 Using the Command-Line Interface 2-1 Switch CLI Overview 2-1 Accessing the Switch CLI 2-2 Accessing the CLI Through the Console Port 2-2 Accessing...
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...P T E R Using Command Aliases 2-7 Specifying Modules, Ports, and VLANs 2-7 Specifying MAC Addresses 2-8 Specifying IP Addresses, Host Names, and IP Aliases 2-8 ROM Monitor CLI 2-9 Example of a Catalyst 4003 Bootup Display 2-9 Configuring the Switch IP Address and Default Gateway 3-1 Understanding How the Switch Management Interfaces Work 3-1 ...and Releasing a DHCP-Assigned IP Address 3-10 Configuring Ethernet and Fast Ethernet Switching 4-1 Understanding How Ethernet Works 4-1 Ethernet Overview 4-1 Switching Frames Between Segments 4-2 Building the Address Table 4-2 Default Ethernet and Fast ...
...P T E R Using Command Aliases 2-7 Specifying Modules, Ports, and VLANs 2-7 Specifying MAC Addresses 2-8 Specifying IP Addresses, Host Names, and IP Aliases 2-8 ROM Monitor CLI 2-9 Example of a Catalyst 4003 Bootup Display 2-9 Configuring the Switch IP Address and Default Gateway 3-1 Understanding How the Switch Management Interfaces Work 3-1 ...and Releasing a DHCP-Assigned IP Address 3-10 Configuring Ethernet and Fast Ethernet Switching 4-1 Understanding How Ethernet Works 4-1 Ethernet Overview 4-1 Switching Frames Between Segments 4-2 Building the Address Table 4-2 Default Ethernet and Fast ...
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... EtherChannel Interaction with other Features 6-4 Understanding the PAgP 6-5 PAgP Modes 6-5 Understanding Administrative Groups and EtherChannel IDs 6-6 Configuring EtherChannel Using PAgP 6-6 Creating an EtherChannel 6-7 Defining an EtherChannel Administrative Group 6-7 Setting the EtherChannel Spanning Tree Port Cost 6-8 Setting the EtherChannel... 6-10 Displaying EtherChannel Traffic Statistics 6-11 Displaying EtherChannel PAgP Statistics 6-12 EtherChannel Configuration Examples 6-12 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 v
... EtherChannel Interaction with other Features 6-4 Understanding the PAgP 6-5 PAgP Modes 6-5 Understanding Administrative Groups and EtherChannel IDs 6-6 Configuring EtherChannel Using PAgP 6-6 Creating an EtherChannel 6-7 Defining an EtherChannel Administrative Group 6-7 Setting the EtherChannel Spanning Tree Port Cost 6-8 Setting the EtherChannel... 6-10 Displaying EtherChannel Traffic Statistics 6-11 Displaying EtherChannel PAgP Statistics 6-12 EtherChannel Configuration Examples 6-12 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 v
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Contents Configuration Example of a Four-Port Fast EtherChannel 6-12 Configuration Example of Two-Port Gigabit EtherChannel 6-14 Understanding the LACP 6-16 LACP Modes 6-16 LACP Parameters 6-17 Configuring EtherChannel Using LACP 6-18 Specifying the EtherChannel Protocol 6-18 Specifying the System Priority ... Port Becomes the Root Switch or Root Port 7-3 Understanding BPDUs 7-4 Calculating and Assigning Port Costs 7-4 Understanding Spanning Tree Port States 7-5 Understanding How PVST+ and MISTP Modes Work 7-11 PVST+ Mode 7-12 Rapid PVST+ 7-12 MISTP Mode 7-12 MISTP-PVST+ Mode 7-13 Understanding ...
Contents Configuration Example of a Four-Port Fast EtherChannel 6-12 Configuration Example of Two-Port Gigabit EtherChannel 6-14 Understanding the LACP 6-16 LACP Modes 6-16 LACP Parameters 6-17 Configuring EtherChannel Using LACP 6-18 Specifying the EtherChannel Protocol 6-18 Specifying the System Priority ... Port Becomes the Root Switch or Root Port 7-3 Understanding BPDUs 7-4 Calculating and Assigning Port Costs 7-4 Understanding Spanning Tree Port States 7-5 Understanding How PVST+ and MISTP Modes Work 7-11 PVST+ Mode 7-12 Rapid PVST+ 7-12 MISTP Mode 7-12 MISTP-PVST+ Mode 7-13 Understanding ...
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... 7-36 Mapping VLANs to an MISTP Instance 7-36 Disabling MISTP-PVST+ or MISTP 7-39 Configuring a Root Switch 7-39 Configuring a Primary Root Switch 7-39 Configuring a Secondary Root Switch 7-40 Configuring a Root Switch to Improve Convergence 7-41 Using Root Guard-Preventing Switches from Becoming Root 7-43 Displaying Spanning Tree BPDU Statistics 7-43 Configuring Spanning Tree Timers 7-44 Configuring...
... 7-36 Mapping VLANs to an MISTP Instance 7-36 Disabling MISTP-PVST+ or MISTP 7-39 Configuring a Root Switch 7-39 Configuring a Primary Root Switch 7-39 Configuring a Secondary Root Switch 7-40 Configuring a Root Switch to Improve Convergence 7-41 Using Root Guard-Preventing Switches from Becoming Root 7-43 Displaying Spanning Tree BPDU Statistics 7-43 Configuring Spanning Tree Timers 7-44 Configuring...
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...01 Configuring a VTP Client 9-7 Configuring VTP (VTP Transparent Mode) 9-8 Disabling VTP Using the Off Mode 9-9 Enabling VTP Version 2 9-9 Disabling VTP Version 2 9-10 Enabling VTP Pruning 9-11 Disabling VTP Pruning 9-12 Displaying VTP Statistics 9-12 Understanding How VTP Version 3 Works 9-13 VTP Version 3 Authentication 9-13 VTP Version...Ranges 10-3 Configurable VLAN Parameters 10-4 VLAN Default Configuration 10-4 VLAN Configuration Guidelines 10-5 Configuring VLANs on the Switch 10-6 Creating or Modifying an Ethernet VLAN 10-6 Creating or Modifying a Normal-Range Ethernet VLAN 10-7 Creating ...
...01 Configuring a VTP Client 9-7 Configuring VTP (VTP Transparent Mode) 9-8 Disabling VTP Using the Off Mode 9-9 Enabling VTP Version 2 9-9 Disabling VTP Version 2 9-10 Enabling VTP Pruning 9-11 Disabling VTP Pruning 9-12 Displaying VTP Statistics 9-12 Understanding How VTP Version 3 Works 9-13 VTP Version 3 Authentication 9-13 VTP Version...Ranges 10-3 Configurable VLAN Parameters 10-4 VLAN Default Configuration 10-4 VLAN Configuration Guidelines 10-5 Configuring VLANs on the Switch 10-6 Creating or Modifying an Ethernet VLAN 10-6 Creating or Modifying a Normal-Range Ethernet VLAN 10-7 Creating ...
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... 17 C H A P T E R 18 C H A P T E R 78-15486-01 Disabling Multicast Group Entries 15-17 Filtering IGMP Traffic 15-17 Using IGMP Traffic Filtering 15-18 IGMP Software Requirements 15-18 Default IGMP Filter Configuration 15-18 IGMP Multicast Filter Activation 15-19 Configuring Port IP ... 17-1 Understanding How Unicast Flood Blocking Works 17-1 Configuration Guidelines for Unicast Flood Blocking 17-2 Configuring Unicast Flood Blocking on the Switch 17-2 Enabling Unicast Flood Blocking 17-2 Disabling Unicast Flood Blocking 17-3 Displaying Unicast Flood Blocking 17-3 Configuring the IP Permit List...
... 17 C H A P T E R 18 C H A P T E R 78-15486-01 Disabling Multicast Group Entries 15-17 Filtering IGMP Traffic 15-17 Using IGMP Traffic Filtering 15-18 IGMP Software Requirements 15-18 Default IGMP Filter Configuration 15-18 IGMP Multicast Filter Activation 15-19 Configuring Port IP ... 17-1 Understanding How Unicast Flood Blocking Works 17-1 Configuration Guidelines for Unicast Flood Blocking 17-2 Configuring Unicast Flood Blocking on the Switch 17-2 Enabling Unicast Flood Blocking 17-2 Disabling Unicast Flood Blocking 17-3 Displaying Unicast Flood Blocking 17-3 Configuring the IP Permit List...
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... 2 Traceroute Usage Guidelines 20-11 Identifying a Layer 2 Path 20-11 Using IP Traceroute 20-12 Understanding How IP Traceroute Works 20-12 Executing IP Traceroute 20-12 Configuring CDP 21-1 Understanding How CDP Works 21-1 Default CDP Configuration 21-2 Configuring CDP on the Switch 21-2 Setting the CDP Global Enable State 21-2 Catalyst 4500 Series...
... 2 Traceroute Usage Guidelines 20-11 Identifying a Layer 2 Path 20-11 Using IP Traceroute 20-12 Understanding How IP Traceroute Works 20-12 Executing IP Traceroute 20-12 Configuring CDP 21-1 Understanding How CDP Works 21-1 Default CDP Configuration 21-2 Configuring CDP on the Switch 21-2 Setting the CDP Global Enable State 21-2 Catalyst 4500 Series...
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... 21-4 Displaying CDP Neighbor Information 21-5 Using Switch TopN Reports 22-1 Understanding How Switch TopN Reports Works 22-1 Running Switch TopN Reports Without the Background Option 22-2 Running Switch TopN Reports with the Background Option 22-2 Running and Viewing Switch TopN Reports 22-3 Configuring UDLD 23-1 ...Understanding How UDLD Works 23-1 UDLD Software and Hardware Requirements 23-2 Default UDLD Configuration 23-2 Configuring UDLD on the Switch 23-3 Enabling UDLD Globally 23-3 Enabling UDLD on Individual Ports 23-4 Disabling UDLD on Individual Ports 23-4 Disabling UDLD Globally ...
... 21-4 Displaying CDP Neighbor Information 21-5 Using Switch TopN Reports 22-1 Understanding How Switch TopN Reports Works 22-1 Running Switch TopN Reports Without the Background Option 22-2 Running Switch TopN Reports with the Background Option 22-2 Running and Viewing Switch TopN Reports 22-3 Configuring UDLD 23-1 ...Understanding How UDLD Works 23-1 UDLD Software and Hardware Requirements 23-2 Default UDLD Configuration 23-2 Configuring UDLD on the Switch 23-3 Enabling UDLD Globally 23-3 Enabling UDLD on Individual Ports 23-4 Disabling UDLD on Individual Ports 23-4 Disabling UDLD Globally ...
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Contents Configuring SNMPv3 from the CLI 24-14 Using CiscoWorks2000 24-17 25 C H A P T E R Configuring RMON 25-1 Understanding How RMON Works 25-1 Enabling RMON 25-2 Viewing RMON Data 25-2 Supported RMON and RMON2 MIB Objects ... and Hardware Requirements 26-8 Understanding How RSPAN Works 26-8 RSPAN Configuration Guidelines 26-9 Configuring RSPAN 26-10 RSPAN Configuration Examples 26-13 27 C H A P T E R Administering the Switch 27-1 Setting the System Name and System Prompt 27-1 Configuring the System Name and Prompt 27-2 Setting the System Contact and Location 27-3 Setting the...
Contents Configuring SNMPv3 from the CLI 24-14 Using CiscoWorks2000 24-17 25 C H A P T E R Configuring RMON 25-1 Understanding How RMON Works 25-1 Enabling RMON 25-2 Viewing RMON Data 25-2 Supported RMON and RMON2 MIB Objects ... and Hardware Requirements 26-8 Understanding How RSPAN Works 26-8 RSPAN Configuration Guidelines 26-9 Configuring RSPAN 26-10 RSPAN Configuration Examples 26-13 27 C H A P T E R Administering the Switch 27-1 Setting the System Name and System Prompt 27-1 Configuring the System Name and Prompt 27-2 Setting the System Contact and Location 27-3 Setting the...
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...-15486-01 Configuring a Login Banner 27-4 Clearing the Login Banner 27-5 Enabling or Disabling the "Cisco Systems Console" Telnet Login Banner 27-5 Defining and Using Command Aliases 27-6 Defining and Using IP Aliases 27-7 Configuring Permanent and Static ARP Entries 27-8 Configuring Static Routes 27-9 Scheduling a ...Specified Amount of Time 27-11 Generating System Status Reports for Tech Support 27-12 Power Management 28-1 Understanding How Power Management Works on the Catalyst 4500 Series Switches 28-1 Power Management Overview 28-2 Understanding Power Management Modes 28-2 Available Power...
...-15486-01 Configuring a Login Banner 27-4 Clearing the Login Banner 27-5 Enabling or Disabling the "Cisco Systems Console" Telnet Login Banner 27-5 Defining and Using Command Aliases 27-6 Defining and Using IP Aliases 27-7 Configuring Permanent and Static ARP Entries 27-8 Configuring Static Routes 27-9 Scheduling a ...Specified Amount of Time 27-11 Generating System Status Reports for Tech Support 27-12 Power Management 28-1 Understanding How Power Management Works on the Catalyst 4500 Series Switches 28-1 Power Management Overview 28-2 Understanding Power Management Modes 28-2 Available Power...
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... VoIP 29-1 Hardware and Software Requirements 29-1 Overview of IP Phones 29-2 Configuring VoIP on a Switch 29-3 Configuring Switch Access Using AAA 30-1 Understanding How Authentication Works 30-1 Understanding How Login Authentication Works 30-2 Understanding How Local Authentication...30-8 Authentication Default Configuration 30-8 Authentication Configuration Guidelines 30-9 Configuring Login Authentication 30-9 Configuring Local Authentication 30-12 Configuring Local User Authentication 30-15 Configuring TACACS+ Authentication 30-17 Configuring RADIUS Authentication 30-23 Configuring Kerberos ...
... VoIP 29-1 Hardware and Software Requirements 29-1 Overview of IP Phones 29-2 Configuring VoIP on a Switch 29-3 Configuring Switch Access Using AAA 30-1 Understanding How Authentication Works 30-1 Understanding How Login Authentication Works 30-2 Understanding How Local Authentication...30-8 Authentication Default Configuration 30-8 Authentication Configuration Guidelines 30-9 Configuring Login Authentication 30-9 Configuring Local Authentication 30-12 Configuring Local User Authentication 30-15 Configuring TACACS+ Authentication 30-17 Configuring RADIUS Authentication 30-23 Configuring Kerberos ...
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... 31-3 Ports in Authorized and Unauthorized States 31-4 Authentication Server 31-5 802.1x Parameters Configurable on the Switch 31-6 802.1x VLAN Assignment Using a RADIUS Server 31-6 Authentication Default Configuration 31-7 Authentication Configuration Guidelines 31-8 Configuring 802.1x Authentication on the...31-11 Setting the Authenticator-to-Host Retransmission Time for EAP-Request/Identity Frames 31-12 Setting the Supplicant-to-Host Retransmission Time for EAP-Request Frames 31-12 Setting the Back-End Authenticator-to-Authentication-Server Retransmission Time for Transport Layer Packets ...
... 31-3 Ports in Authorized and Unauthorized States 31-4 Authentication Server 31-5 802.1x Parameters Configurable on the Switch 31-6 802.1x VLAN Assignment Using a RADIUS Server 31-6 Authentication Default Configuration 31-7 Authentication Configuration Guidelines 31-8 Configuring 802.1x Authentication on the...31-11 Setting the Authenticator-to-Host Retransmission Time for EAP-Request/Identity Frames 31-12 Setting the Supplicant-to-Host Retransmission Time for EAP-Request Frames 31-12 Setting the Back-End Authenticator-to-Authentication-Server Retransmission Time for Transport Layer Packets ...
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...Image Naming Conventions 33-1 Downloading System Software Images to the Switch Using TFTP 33-1 Understanding How TFTP Software Image Downloads Work 33-2 Preparing to Download an Image Using TFTP 33-2 Downloading Supervisor Engine Images Using TFTP 33-2 Sample TFTP Download Procedures 33-3 Uploading System...a TFTP Server 33-5 Downloading System Software Images to the Switch Using rcp 33-5 Understanding How rcp Software Image Downloads Work 33-6 Preparing to Download an Image Using rcp 33-6 Downloading Supervisor Engine Images Using rcp 33-6 Sample rcp Download Procedures 33-7 Catalyst 4500 ...
...Image Naming Conventions 33-1 Downloading System Software Images to the Switch Using TFTP 33-1 Understanding How TFTP Software Image Downloads Work 33-2 Preparing to Download an Image Using TFTP 33-2 Downloading Supervisor Engine Images Using TFTP 33-2 Sample TFTP Download Procedures 33-3 Uploading System...a TFTP Server 33-5 Downloading System Software Images to the Switch Using rcp 33-5 Understanding How rcp Software Image Downloads Work 33-6 Preparing to Download an Image Using rcp 33-6 Downloading Supervisor Engine Images Using rcp 33-6 Sample rcp Download Procedures 33-7 Catalyst 4500 ...
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... 34-5 Restoring Deleted Files 34-6 Verifying a File Checksum 34-7 Working with Configuration Files 35-1 Creating and Using Configuration Files Guidelines 35-1 Creating a Configuration File 35-2 Configuring the Switch Using a File in Flash Memory 35-2 Copying Configuration Files Using TFTP 35-3 Downloading Configuration Files from a TFTP Server 35-3 Uploading Configuration Files to a TFTP Server 35...
... 34-5 Restoring Deleted Files 34-6 Verifying a File Checksum 34-7 Working with Configuration Files 35-1 Creating and Using Configuration Files Guidelines 35-1 Creating a Configuration File 35-2 Configuring the Switch Using a File in Flash Memory 35-2 Copying Configuration Files Using TFTP 35-3 Downloading Configuration Files from a TFTP Server 35-3 Uploading Configuration Files to a TFTP Server 35...
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... Loop Guard 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xxiii Using the Command-Line Interface Describes how to configure Ethernet and Fast Ethernet switching on the switch. Configuring Ethernet and Fast Ethernet Switching Describes how to use the different command-line interfaces (CLIs). Organization This publication is organized...
... Loop Guard 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xxiii Using the Command-Line Interface Describes how to configure Ethernet and Fast Ethernet switching on the switch. Configuring Ethernet and Fast Ethernet Switching Describes how to use the different command-line interfaces (CLIs). Organization This publication is organized...
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... Cisco Group Management Protocol (CGMP), Internet Group Management Protocol (IGMP) snooping, and GARP Multicast Registration Protocol (GMRP) on the switch. xxiv Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Using Switch ...on the switch. Configuring Port Security Describes how to configure Cisco Discovery Protocol (CDP) on the switch. Configuring CDP Describes how to configure port security on the switch. Organization Preface Chapter Chapter 9 Chapter 10 Chapter 11 Chapter 12 Chapter 13...
... Cisco Group Management Protocol (CGMP), Internet Group Management Protocol (IGMP) snooping, and GARP Multicast Registration Protocol (GMRP) on the switch. xxiv Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01 Using Switch ...on the switch. Configuring Port Security Describes how to configure Cisco Discovery Protocol (CDP) on the switch. Configuring CDP Describes how to configure port security on the switch. Organization Preface Chapter Chapter 9 Chapter 10 Chapter 11 Chapter 12 Chapter 13...
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Configuring Switch Access Using Describes how to configure local and TACACS+ AAA authentication on the switch. Configuring NTP Describes how to configure Network Time Protocol (NTP) on the switch. Configuring 802.1x Authentication Describes how to configure IEEE 802.1x authentication on the switch. Configuring Switch Acceleration Describes the Backplane Channel module and the switch acceleration feature. Preface...
Configuring Switch Access Using Describes how to configure local and TACACS+ AAA authentication on the switch. Configuring NTP Describes how to configure Network Time Protocol (NTP) on the switch. Configuring 802.1x Authentication Describes how to configure IEEE 802.1x authentication on the switch. Configuring Switch Acceleration Describes the Backplane Channel module and the switch acceleration feature. Preface...
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... screen font. Notes contain helpful suggestions or references to save space and preserve clarity. Default responses to the Catalyst 4000 series and Catalyst 4500 series switches. Notes use quotation marks around the string or the string will include the quotation marks. Alternative keywords are in screen font. An exclamation point (!) or a pound...
... screen font. Notes contain helpful suggestions or references to save space and preserve clarity. Default responses to the Catalyst 4000 series and Catalyst 4500 series switches. Notes use quotation marks around the string or the string will include the quotation marks. Alternative keywords are in screen font. An exclamation point (!) or a pound...