Software Configuration Guide
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... UNIX operating system. Copyright © 1981, Regents of the University of the word partner does not imply a partnership relationship Catalyst 2950 Desktop Switch Software Configuration Guide Copyright © 2001-2002, Cisco Systems, Inc. The use of California. THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET...
... UNIX operating system. Copyright © 1981, Regents of the University of the word partner does not imply a partnership relationship Catalyst 2950 Desktop Switch Software Configuration Guide Copyright © 2001-2002, Cisco Systems, Inc. The use of California. THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET...
Software Configuration Guide
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... Cisco TAC Website xxxi Cisco TAC Escalation Center xxxii Overview 1-1 Features 1-1 Management Options 1-7 Management Interface Options 1-7 Advantages of Using CMS and Clustering Switches 1-7 Network Configuration Examples 1-8 Design Concepts for Using the Switch 1-8 Small to Medium-Sized Network Configuration 1-11 Collapsed Backbone and Switch Cluster Configuration 1-13 Large Campus Configuration 1-14 Hotel Network Configuration 1-16 Multidwelling Network Using Catalyst 2950 Switches...
... Cisco TAC Website xxxi Cisco TAC Escalation Center xxxii Overview 1-1 Features 1-1 Management Options 1-7 Management Interface Options 1-7 Advantages of Using CMS and Clustering Switches 1-7 Network Configuration Examples 1-8 Design Concepts for Using the Switch 1-8 Small to Medium-Sized Network Configuration 1-11 Collapsed Backbone and Switch Cluster Configuration 1-13 Large Campus Configuration 1-14 Hotel Network Configuration 1-16 Multidwelling Network Using Catalyst 2950 Switches...
Software Configuration Guide
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...2-1 Getting Help 2-3 Specifying Ports in Interface Configuration Mode 2-4 Abbreviating Commands 2-5 Using no and default Forms of Commands 2-5 Understanding CLI Messages 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 ...15 Menu Bar 3-15 Toolbar 3-20 Front Panel View Popup Menus 3-21 Device Popup Menu 3-21 Port Popup Menu 3-21 Catalyst 2950 Desktop Switch Software Configuration Guide iv 78-14982-01
...2-1 Getting Help 2-3 Specifying Ports in Interface Configuration Mode 2-4 Abbreviating Commands 2-5 Using no and default Forms of Commands 2-5 Understanding CLI Messages 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 ...15 Menu Bar 3-15 Toolbar 3-20 Front Panel View Popup Menus 3-21 Device Popup Menu 3-21 Port Popup Menu 3-21 Catalyst 2950 Desktop Switch Software Configuration Guide iv 78-14982-01
Software Configuration Guide
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...Using Different Versions of CMS 3-34 Where to Go Next 3-34 Assigning the Switch IP Address and Default Gateway 4-1 Understanding the Boot Process 4-1 Assigning Switch Information 4-2 Default Switch... Information 4-3 Understanding DHCP-Based Autoconfiguration 4-3 DHCP Client Request Process 4-4 Configuring the DHCP Server 4-5 Configuring the TFTP Server 4-5 Configuring the DNS 4-6 Configuring the Relay Device 4-6 Obtaining Configuration Files 4-7 Catalyst 2950 Desktop Switch...
...Using Different Versions of CMS 3-34 Where to Go Next 3-34 Assigning the Switch IP Address and Default Gateway 4-1 Understanding the Boot Process 4-1 Assigning Switch Information 4-2 Default Switch... Information 4-3 Understanding DHCP-Based Autoconfiguration 4-3 DHCP Client Request Process 4-4 Configuring the DHCP Server 4-5 Configuring the TFTP Server 4-5 Configuring the DNS 4-6 Configuring the Relay Device 4-6 Obtaining Configuration Files 4-7 Catalyst 2950 Desktop Switch...
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... ConfigID 5-3 DeviceID 5-4 Host Name and DeviceID 5-4 Using Host Name, DeviceID, and ConfigID 5-4 Understanding CNS ...Switch Characteristics 6-3 Candidate Switch and Member Switch Characteristics 6-4 Planning a Switch Cluster 6-5 Automatic Discovery of Cluster Candidates and Members 6-5 Discovery through CDP Hops 6-6 Discovery through Non-CDP-Capable and Noncluster-Capable Devices 6-7 Discovery through the Same Management VLAN 6-8 Discovery through Different Management VLANs 6-9 Discovery of Newly Installed Switches 6-10 HSRP and Standby Command Switches 6-12 Catalyst 2950 Desktop Switch...
... ConfigID 5-3 DeviceID 5-4 Host Name and DeviceID 5-4 Using Host Name, DeviceID, and ConfigID 5-4 Understanding CNS ...Switch Characteristics 6-3 Candidate Switch and Member Switch Characteristics 6-4 Planning a Switch Cluster 6-5 Automatic Discovery of Cluster Candidates and Members 6-5 Discovery through CDP Hops 6-6 Discovery through Non-CDP-Capable and Noncluster-Capable Devices 6-7 Discovery through the Same Management VLAN 6-8 Discovery through Different Management VLANs 6-9 Discovery of Newly Installed Switches 6-10 HSRP and Standby Command Switches 6-12 Catalyst 2950 Desktop Switch...
Software Configuration Guide
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... LRE Profiles 6-18 Availability of Switch-Specific Features in Switch Clusters 6-19 Creating a Switch Cluster 6-19 Enabling a Command Switch 6-19 Adding Member Switches 6-20 Creating a Cluster Standby Group 6-22 Verifying a Switch Cluster 6-24 Using the CLI to Manage Switch Clusters 6-25 Catalyst 1900 and Catalyst 2820 CLI Considerations 6-25 Using SNMP to Manage Switch Clusters 6-26 Administering the Switch 7-1 Preventing Unauthorized Access to Your...
... LRE Profiles 6-18 Availability of Switch-Specific Features in Switch Clusters 6-19 Creating a Switch Cluster 6-19 Enabling a Command Switch 6-19 Adding Member Switches 6-20 Creating a Cluster Standby Group 6-22 Verifying a Switch Cluster 6-24 Using the CLI to Manage Switch Clusters 6-25 Catalyst 1900 and Catalyst 2820 CLI Considerations 6-25 Using SNMP to Manage Switch Clusters 6-26 Administering the Switch 7-1 Preventing Unauthorized Access to Your...
Software Configuration Guide
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... Settings for All RADIUS Servers 7-29 Configuring the Switch to Use Vendor-Specific RADIUS Attributes 7-29 Configuring the Switch for Vendor-Proprietary RADIUS Server Communication 7-30 Displaying the RADIUS Configuration 7-31 Configuring the Switch for Local Authentication and Authorization 7-32 Configuring the Switch for Secure Shell 7-33 Understanding SSH 7-33 Configuring...Clock 7-44 Displaying the Time and Date Configuration 7-44 Configuring the Time Zone 7-45 Configuring Summer Time (Daylight Saving Time) 7-46 Catalyst 2950 Desktop Switch Software Configuration Guide viii 78-14982-01
... Settings for All RADIUS Servers 7-29 Configuring the Switch to Use Vendor-Specific RADIUS Attributes 7-29 Configuring the Switch for Vendor-Proprietary RADIUS Server Communication 7-30 Displaying the RADIUS Configuration 7-31 Configuring the Switch for Local Authentication and Authorization 7-32 Configuring the Switch for Secure Shell 7-33 Understanding SSH 7-33 Configuring...Clock 7-44 Displaying the Time and Date Configuration 7-44 Configuring the Time Zone 7-45 Configuring Summer Time (Daylight Saving Time) 7-46 Catalyst 2950 Desktop Switch Software Configuration Guide viii 78-14982-01
Software Configuration Guide
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... Ports 9-2 Trunk Ports 9-2 Port-Based VLANs 9-3 EtherChannel Port Groups 9-3 Connecting Interfaces 9-3 Using the Interface Command 9-4 Procedures for Configuring Interfaces 9-4 Configuring a Range of Interfaces 9-6 Configuring and Using Interface-Range Macros 9-8 Configuring Switch Interfaces 9-9 Default Ethernet Interface Configuration 9-10 SFP Configuration 9-10 Configuring Interface Speed and Duplex Mode...LRE Sequences 10-4 CPE Ethernet Links 10-5 Configuring LRE Ports 10-5 Environmental Guidelines for LRE Links 10-6 Catalyst 2950 Desktop Switch Software Configuration Guide x 78-14982-01
... Ports 9-2 Trunk Ports 9-2 Port-Based VLANs 9-3 EtherChannel Port Groups 9-3 Connecting Interfaces 9-3 Using the Interface Command 9-4 Procedures for Configuring Interfaces 9-4 Configuring a Range of Interfaces 9-6 Configuring and Using Interface-Range Macros 9-8 Configuring Switch Interfaces 9-9 Default Ethernet Interface Configuration 9-10 SFP Configuration 9-10 Configuring Interface Speed and Duplex Mode...LRE Sequences 10-4 CPE Ethernet Links 10-5 Configuring LRE Ports 10-5 Environmental Guidelines for LRE Links 10-6 Catalyst 2950 Desktop Switch Software Configuration Guide x 78-14982-01
Software Configuration Guide
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Contents 11 C H A P T E R 78-14982-01 Guidelines for Using LRE Profiles 10-7 CPE Ethernet Link Guidelines 10-7 Considerations for Connected Cisco 575 LRE CPEs 10-7 Considerations for Connected Cisco 585 LRE CPEs 10-8 Assigning a Global Profile to All LRE Ports 10-8 Assigning a Profile to a Specific LRE Port 10-9 Assigning a Global Sequence to All LRE ... 11-7 Listening State 11-7 Learning State 11-7 Forwarding State 11-7 Disabled State 11-8 Spanning-Tree Address Management 11-8 STP and IEEE 802.1Q Trunks 11-8 Catalyst 2950 Desktop Switch Software Configuration Guide xi
Contents 11 C H A P T E R 78-14982-01 Guidelines for Using LRE Profiles 10-7 CPE Ethernet Link Guidelines 10-7 Considerations for Connected Cisco 575 LRE CPEs 10-7 Considerations for Connected Cisco 585 LRE CPEs 10-8 Assigning a Global Profile to All LRE Ports 10-8 Assigning a Profile to a Specific LRE Port 10-9 Assigning a Global Sequence to All LRE ... 11-7 Listening State 11-7 Learning State 11-7 Forwarding State 11-7 Disabled State 11-8 Spanning-Tree Address Management 11-8 STP and IEEE 802.1Q Trunks 11-8 Catalyst 2950 Desktop Switch Software Configuration Guide xi
Software Configuration Guide
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...-15 Configuring the Path Cost 11-16 Configuring the Switch Priority of a VLAN 11-18 Configuring the Hello Time 11-19 Configuring the Forwarding-Delay Time for a VLAN 11-19 Configuring the Maximum-Aging Time for a VLAN 11-20 Configuring STP for Use in a Cascaded Stack 11-20 Displaying the Spanning-Tree... and MSTP Configuration 12-12 RSTP and MSTP Configuration Guidelines 12-12 Specifying the MST Region Configuration and Enabling MSTP 12-13 Configuring the Root Switch 12-14 Catalyst 2950 Desktop Switch Software Configuration Guide xii 78-14982-01
...-15 Configuring the Path Cost 11-16 Configuring the Switch Priority of a VLAN 11-18 Configuring the Hello Time 11-19 Configuring the Forwarding-Delay Time for a VLAN 11-19 Configuring the Maximum-Aging Time for a VLAN 11-20 Configuring STP for Use in a Cascaded Stack 11-20 Displaying the Spanning-Tree... and MSTP Configuration 12-12 RSTP and MSTP Configuration Guidelines 12-12 Specifying the MST Region Configuration and Enabling MSTP 12-13 Configuring the Root Switch 12-14 Catalyst 2950 Desktop Switch Software Configuration Guide xii 78-14982-01
Software Configuration Guide
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...-16 Configuring the Port Priority 12-17 Configuring the Path Cost 12-18 Configuring the Switch Priority 12-19 Configuring the Hello Time 12-19 Configuring the Forwarding-Delay Time 12-20 Configuring the Maximum-Aging Time 12-21 Configuring the ... Default Optional Spanning-Tree Configuration 13-14 Enabling Port Fast 13-14 Enabling BPDU Guard 13-15 Enabling BPDU Filtering 13-16 Enabling UplinkFast for Use with Redundant Links 13-17 Enabling Cross-Stack UplinkFast 13-18 Enabling BackboneFast 13-19 Enabling Root Guard 13-19 Enabling Loop Guard 13-20...
...-16 Configuring the Port Priority 12-17 Configuring the Path Cost 12-18 Configuring the Switch Priority 12-19 Configuring the Hello Time 12-19 Configuring the Forwarding-Delay Time 12-20 Configuring the Maximum-Aging Time 12-21 Configuring the ... Default Optional Spanning-Tree Configuration 13-14 Enabling Port Fast 13-14 Enabling BPDU Guard 13-15 Enabling BPDU Filtering 13-16 Enabling UplinkFast for Use with Redundant Links 13-17 Enabling Cross-Stack UplinkFast 13-18 Enabling BackboneFast 13-19 Enabling Root Guard 13-19 Enabling Loop Guard 13-20...
Software Configuration Guide
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... Sharing Using STP 14-21 Load Sharing Using STP Port Priorities 14-21 Load Sharing Using STP Path Cost 14-23 Configuring VMPS 14-24 Understanding VMPS 14-25 Dynamic Port VLAN Membership 14-25 VMPS Database Configuration File 14-26 Default VMPS Configuration 14-27 VMPS Configuration Guidelines 14-28 Catalyst 2950 Desktop Switch Software...
... Sharing Using STP 14-21 Load Sharing Using STP Port Priorities 14-21 Load Sharing Using STP Path Cost 14-23 Configuring VMPS 14-24 Understanding VMPS 14-25 Dynamic Port VLAN Membership 14-25 VMPS Database Configuration File 14-26 Default VMPS Configuration 14-27 VMPS Configuration Guidelines 14-28 Catalyst 2950 Desktop Switch Software...
Software Configuration Guide
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... Default Voice VLAN Configuration 16-2 Voice VLAN Configuration Guidelines 16-3 Configuring a Port to Connect to a Cisco 7960 IP Phone 16-3 Configuring Ports to Carry Voice Traffic in 802.1Q Frames 16-4 Configuring Ports... Multicast-Source-Only Learning 17-9 Displaying IGMP Snooping Information 17-11 Understanding Multicast VLAN Registration 17-13 Using MVR in a Multicast Television Application 17-13 Configuring MVR 17-15 Default MVR Configuration 17-15 MVR...IGMP Groups 17-23 Displaying IGMP Filtering Configuration 17-24 Catalyst 2950 Desktop Switch Software Configuration Guide xvi 78-14982-01
... Default Voice VLAN Configuration 16-2 Voice VLAN Configuration Guidelines 16-3 Configuring a Port to Connect to a Cisco 7960 IP Phone 16-3 Configuring Ports to Carry Voice Traffic in 802.1Q Frames 16-4 Configuring Ports... Multicast-Source-Only Learning 17-9 Displaying IGMP Snooping Information 17-11 Understanding Multicast VLAN Registration 17-13 Using MVR in a Multicast Television Application 17-13 Configuring MVR 17-15 Default MVR Configuration 17-15 MVR...IGMP Groups 17-23 Displaying IGMP Filtering Configuration 17-24 Catalyst 2950 Desktop Switch Software Configuration Guide xvi 78-14982-01
Software Configuration Guide
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... Examples 24-14 Displaying SNMP Status 24-15 Configuring Network Security with ACLs 25-1 Understanding ACLs 25-2 Handling Fragmented and Unfragmented Traffic 25-3 Understanding Access Control Parameters 25-4 Guidelines for Applying ACLs to Physical Interfaces 25-6 Configuring ACLs 25-6 Unsupported Features 25-7 Creating Standard and Extended IP ACLs 25-7 Catalyst 2950 Desktop Switch Software...
... Examples 24-14 Displaying SNMP Status 24-15 Configuring Network Security with ACLs 25-1 Understanding ACLs 25-2 Handling Fragmented and Unfragmented Traffic 25-3 Understanding Access Control Parameters 25-4 Guidelines for Applying ACLs to Physical Interfaces 25-6 Configuring ACLs 25-6 Unsupported Features 25-7 Creating Standard and Extended IP ACLs 25-7 Catalyst 2950 Desktop Switch Software...
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... Works 26-7 Port Priority 26-8 Port Scheduling 26-8 CoS and WRR 26-8 Configuring QoS 26-9 Default QoS Configuration 26-9 Configuration Guidelines 26-10 Configuring Classification Using Port Trust States 26-10 Configuring the Trust State on Ports within the QoS Domain 26-11 Configuring the CoS Value for an Interface 26...
... Works 26-7 Port Priority 26-8 Port Scheduling 26-8 CoS and WRR 26-8 Configuring QoS 26-9 Default QoS Configuration 26-9 Configuration Guidelines 26-10 Configuring Classification Using Port Trust States 26-10 Configuring the Trust State on Ports within the QoS Domain 26-11 Configuring the CoS Value for an Interface 26...
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... Configuring a QoS Policy 26-16 Classifying Traffic by Using ACLs 26-16 Classifying Traffic by Using Class Maps 26-20 Classifying, Policing, and Marking Traffic by Using Policy Maps 26-21 Configuring CoS Maps 26-24 Configuring the CoS-to-DSCP Map 26-25 Configuring ... and Priority 27-11 Displaying EtherChannel and PAgP Status 27-11 Troubleshooting 28-1 LRE Statistics 28-1 Using Recovery Procedures 28-6 Recovering from Corrupted Software 28-6 Recovering from a Lost or Forgotten Password 28-6 Recovering from a Command Switch Failure 28-8 Catalyst 2950 Desktop Switch Software Configuration Guide xxi
... Configuring a QoS Policy 26-16 Classifying Traffic by Using ACLs 26-16 Classifying Traffic by Using Class Maps 26-20 Classifying, Policing, and Marking Traffic by Using Policy Maps 26-21 Configuring CoS Maps 26-24 Configuring the CoS-to-DSCP Map 26-25 Configuring ... and Priority 27-11 Displaying EtherChannel and PAgP Status 27-11 Troubleshooting 28-1 LRE Statistics 28-1 Using Recovery Procedures 28-6 Recovering from Corrupted Software 28-6 Recovering from a Lost or Forgotten Password 28-6 Recovering from a Command Switch Failure 28-8 Catalyst 2950 Desktop Switch Software Configuration Guide xxi
Software Configuration Guide
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... Types and Location B-10 Creating a Configuration File By Using a Text Editor B-10 Copying Configuration Files By Using TFTP B-11 Preparing to Download or Upload a Configuration File By Using TFTP B-11 Downloading the Configuration File By Using TFTP B-12 Uploading the Configuration File By Using TFTP B-12 Catalyst 2950 Desktop Switch Software Configuration Guide xxii 78-14982-01
... Types and Location B-10 Creating a Configuration File By Using a Text Editor B-10 Copying Configuration Files By Using TFTP B-11 Preparing to Download or Upload a Configuration File By Using TFTP B-11 Downloading the Configuration File By Using TFTP B-12 Uploading the Configuration File By Using TFTP B-12 Catalyst 2950 Desktop Switch Software Configuration Guide xxii 78-14982-01
Software Configuration Guide
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...on the Switch B-20 tar File Format of Images on a Server or Cisco.com B-21 Copying Image Files By Using TFTP B-22 Preparing to Download or Upload an Image File By Using TFTP B-22 Downloading an Image File By Using TFTP B-23 Uploading an Image File By Using TFTP B-24 Copying Image Files By Using FTP ... By Using FTP B-26 Uploading an Image File By Using FTP B-28 Copying Image Files By Using RCP B-29 Preparing to Download or Upload an Image File By Using RCP B-29 Downloading an Image File By Using RCP B-30 Uploading an Image File By Using RCP B-32 78-14982-01 Catalyst 2950 Desktop Switch Software...
...on the Switch B-20 tar File Format of Images on a Server or Cisco.com B-21 Copying Image Files By Using TFTP B-22 Preparing to Download or Upload an Image File By Using TFTP B-22 Downloading an Image File By Using TFTP B-23 Uploading an Image File By Using TFTP B-24 Copying Image Files By Using FTP ... By Using FTP B-26 Uploading an Image File By Using FTP B-28 Copying Image Files By Using RCP B-29 Preparing to Download or Upload an Image File By Using RCP B-29 Downloading an Image File By Using RCP B-30 Uploading an Image File By Using RCP B-32 78-14982-01 Catalyst 2950 Desktop Switch Software...
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...image [12.1(11)LRE]. Use this release. • CLI command information-This guide provides an overview for configuring the Catalyst 2950 switches, hereafter referred to the release...Catalyst 2950 or Catalyst 2950 Long-Reach Ethernet (LRE) switch or switch clusters. Because configuring switch clusters is most easily performed through CMS, this release. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide xxv Preface Audience The Catalyst 2950 Desktop Switch Software Configuration Guide is for the network manager responsible for using the CLI. Before using...
...image [12.1(11)LRE]. Use this release. • CLI command information-This guide provides an overview for configuring the Catalyst 2950 switches, hereafter referred to the release...Catalyst 2950 or Catalyst 2950 Long-Reach Ethernet (LRE) switch or switch clusters. Because configuring switch clusters is most easily performed through CMS, this release. 78-14982-01 Catalyst 2950 Desktop Switch Software Configuration Guide xxv Preface Audience The Catalyst 2950 Desktop Switch Software Configuration Guide is for the network manager responsible for using the CLI. Before using...
Software Configuration Guide
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... about configuring your web browser and accessing CMS, refer to the Catalyst 2950 Desktop Switch Hardware Installation Guide. Cisco IOS Release 12.1(11)EA1 is most easily performed through the use command history and editing features, and how to create the initial switch configuration (for use the CLI, and describes CLI messages that you might encounter...
... about configuring your web browser and accessing CMS, refer to the Catalyst 2950 Desktop Switch Hardware Installation Guide. Cisco IOS Release 12.1(11)EA1 is most easily performed through the use command history and editing features, and how to create the initial switch configuration (for use the CLI, and describes CLI messages that you might encounter...