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... We Work, Live, Play, and Learn, and iQuick Study are trademarks of Cisco Systems, Inc.; and certain other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED... 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. Copyright © 1981, Regents of the...
... We Work, Live, Play, and Learn, and iQuick Study are trademarks of Cisco Systems, Inc.; and certain other company. (0304R) Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide Copyright © 2000-2003, Cisco Systems, Inc. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED... 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. Copyright © 1981, Regents of the...
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... xxvii Ordering 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 the...
... xxvii Ordering 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 the...
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Contents 3 C H A P T E R 4 C H A 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 Understanding How Automatic IP Configuration Works 3-2 Automatic IP Configuration Overview 3-2 Understanding...
Contents 3 C H A P T E R 4 C H A 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 Understanding How Automatic IP Configuration Works 3-2 Automatic IP Configuration Overview 3-2 Understanding...
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...Trunks 6-4 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 Spanning... 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
...Trunks 6-4 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 Spanning... 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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...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 6-19 Specifying the Port Priority 6-19 Specifying an Administrative Key Value 6-19... Rapid Spanning Tree Protocol 7-16 MST-to-SST Interoperability 7-17 Common Spanning Tree 7-18 MST Instances 7-18 MST Configuration 7-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 vi 78-15486-01
...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 6-19 Specifying the Port Priority 6-19 Specifying an Administrative Key Value 6-19... Rapid Spanning Tree Protocol 7-16 MST-to-SST Interoperability 7-17 Common Spanning Tree 7-18 MST Instances 7-18 MST Configuration 7-18 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 vi 78-15486-01
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...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... Spanning Tree PortFast, BPDU Guard, BPDU Filter, UplinkFast, BackboneFast, and Loop Guard 8-1 Understanding How PortFast Works 8-1 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 vii
...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... Spanning Tree PortFast, BPDU Guard, BPDU Filter, UplinkFast, BackboneFast, and Loop Guard 8-1 Understanding How PortFast Works 8-1 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 vii
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... 78-15486-01 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... 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 or Modifying an Extended-Range VLAN 10-9 Assigning Switch Ports to a VLAN 10-10 Mapping 802.1Q VLANs to ISL VLANs 10-11 Clearing ...
... 78-15486-01 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... 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 or Modifying an Extended-Range VLAN 10-9 Assigning Switch Ports to a VLAN 10-10 Mapping 802.1Q VLANs to ISL VLANs 10-11 Clearing ...
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...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... Ports 16-3 Port Security Configuration Guidelines 16-3 Configuring Port Security on the Switch 16-3 Enabling Port Security 16-3 Setting the Maximum Number of Secure MAC Addresses... 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 ...
...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... Ports 16-3 Port Security Configuration Guidelines 16-3 Configuring Port Security on the Switch 16-3 Enabling Port Security 16-3 Setting the Maximum Number of Secure MAC Addresses... 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 ...
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...19-1 Understanding How Protocol Filtering Works 19-1 Default Protocol Filtering Configuration 19-2 Configuring Protocol Filtering on the Switch 19-2 Configuring Protocol Filtering 19-2 Disabling Protocol Filtering 19-3 Checking Status and Connectivity 20-1 Checking Module ...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, Catalyst 2948G, Catalyst 2980G Switches...
...19-1 Understanding How Protocol Filtering Works 19-1 Default Protocol Filtering Configuration 19-2 Configuring Protocol Filtering on the Switch 19-2 Configuring Protocol Filtering 19-2 Disabling Protocol Filtering 19-3 Checking Status and Connectivity 20-1 Checking Module ...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, Catalyst 2948G, Catalyst 2980G Switches...
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... the CDP Holdtime 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...Release 7.5(1) 24-8 Understanding SNMPv3 24-11 Benefits of SNMPv3 24-11 SNMP Entity 24-11 Configuring SNMPv3 from an NMS 24-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xv
... the CDP Holdtime 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...Release 7.5(1) 24-8 Understanding SNMPv3 24-11 Benefits of SNMPv3 24-11 SNMP Entity 24-11 Configuring SNMPv3 from an NMS 24-14 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xv
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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 ...28-7 1+1 Redundancy Mode Limitations 28-7 Power Consumption for Modules 28-9 Migrating a Supervisor Engine II from a Catalyst 4006 Switch to a Catalyst 4500 Series Switch 28-10 Understanding How Inline Power Works 28-11 Inline Power Management Modes 28-12 Power Requirements 28-12 ...
...-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 ...28-7 1+1 Redundancy Mode Limitations 28-7 Power Consumption for Modules 28-9 Migrating a Supervisor Engine II from a Catalyst 4006 Switch to a Catalyst 4500 Series Switch 28-10 Understanding How Inline Power Works 28-11 Inline Power Management Modes 28-12 Power Requirements 28-12 ...
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... Individual Ports 28-19 Configuring 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 Works 30-2 Understanding How... TACACS+ Authorization 30-43 Authorization Example 30-46 Understanding How Accounting Works 30-47 Accounting Overview 30-48 xviii Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01
... Individual Ports 28-19 Configuring 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 Works 30-2 Understanding How... TACACS+ Authorization 30-43 Authorization Example 30-46 Understanding How Accounting Works 30-47 Accounting Overview 30-48 xviii Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 78-15486-01
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...-2 Authentication Initiation and Message Exchange 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...-End Authenticator-to-Host Frame-Retransmission Number 31-14 Resetting the 802.1x Configuration Parameters to the Default Values 31-15 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xix
...-2 Authentication Initiation and Message Exchange 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...-End Authenticator-to-Host Frame-Retransmission Number 31-14 Resetting the 802.1x Configuration Parameters to the Default Values 31-15 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 xix
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...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 ...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 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
...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 ...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 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide...
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... 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 ...Switch Acceleration 36-1 Understanding How Switch Acceleration Works 36-1 Configuring Switch Acceleration on the Switch 36-2 Enabling Switch Acceleration 36-3 Displaying Switch Acceleration Information 36-3 Backplane Channel Module 36-3 Configuring System Message Logging 37-1 Understanding How System Message Logging Works 37-1 System Log Message Format 37-3 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
... 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 ...Switch Acceleration 36-1 Understanding How Switch Acceleration Works 36-1 Configuring Switch Acceleration on the Switch 36-2 Enabling Switch Acceleration 36-3 Displaying Switch Acceleration Information 36-3 Backplane Channel Module 36-3 Configuring System Message Logging 37-1 Understanding How System Message Logging Works 37-1 System Log Message Format 37-3 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
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... switch. Configuring Fast EtherChannel Describes how to configure Ethernet and Fast Ethernet switching on the switch. Configuring Spanning Tree Describes how to use the different command-line interfaces (CLIs). Using the...Catalyst enterprise LAN switches. Organization This publication is for configuring and maintaining Catalyst enterprise LAN switches. Configuring Gigabit Ethernet Switching Describes how to configure Gigabit Ethernet switching on the switch. Filter, UplinkFast, BackboneFast, and Loop Guard 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
... switch. Configuring Fast EtherChannel Describes how to configure Ethernet and Fast Ethernet switching on the switch. Configuring Spanning Tree Describes how to use the different command-line interfaces (CLIs). Using the...Catalyst enterprise LAN switches. Organization This publication is for configuring and maintaining Catalyst enterprise LAN switches. Configuring Gigabit Ethernet Switching Describes how to configure Gigabit Ethernet switching on the switch. Filter, UplinkFast, BackboneFast, and Loop Guard 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches...
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... how to configure IP permit list on the switch. Using Switch TopN Reports Describes how to generate switch TopN reports on the switch. Configuring Unicast Flood Blocking Describes how to configure unicast flood blocking on the switch. Configuring CDP Describes how to configure Cisco Discovery Protocol (CDP) on the switch. Configuring SPAN and RSPAN Describes how to configure...
... how to configure IP permit list on the switch. Using Switch TopN Reports Describes how to generate switch TopN reports on the switch. Configuring Unicast Flood Blocking Describes how to configure unicast flood blocking on the switch. Configuring CDP Describes how to configure Cisco Discovery Protocol (CDP) on the switch. Configuring SPAN and RSPAN Describes how to configure...
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... Configuration Describes how to configure local and TACACS+ AAA authentication on the Catalyst 4000 series switches and the Catalyst 4500 series switches, and explains how to create, download, and upload switch configuration files. Configuring Switch Access Using Describes how to modify the switch boot configuration, including the BOOT environment variable and the configuration register. Related Documentation The following...
... Configuration Describes how to configure local and TACACS+ AAA authentication on the Catalyst 4000 series switches and the Catalyst 4500 series switches, and explains how to create, download, and upload switch configuration files. Configuring Switch Access Using Describes how to modify the switch boot configuration, including the BOOT environment variable and the configuration register. Related Documentation The following...
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... responses to save space and preserve clarity. Optional alternative keywords are used in reference to switch platforms: • Catalyst enterprise LAN switches-Refers to the Catalyst 4000 series and Catalyst 4500 series switches, Catalyst 2948G, and Catalyst 2980G switches. • Catalyst 4000 family switches-Refers to the Catalyst 4000 series and Catalyst 4500 series switches. Conventions Preface Conventions Throughout this publication, these conventions are grouped...
... responses to save space and preserve clarity. Optional alternative keywords are used in reference to switch platforms: • Catalyst enterprise LAN switches-Refers to the Catalyst 4000 series and Catalyst 4500 series switches, Catalyst 2948G, and Catalyst 2980G switches. • Catalyst 4000 family switches-Refers to the Catalyst 4000 series and Catalyst 4500 series switches. Conventions Preface Conventions Throughout this publication, these conventions are grouped...