Configuration Guide
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Contents Port Modes and LEDs 2-8 VLAN Membership Modes 2-9 Topology View 2-10 Topology Icons 2-12 Device and Link Labels 2-13 Colors in the Topology View 2-14 Topology Display Options 2-14 Menus and ... Verifying Your Changes 2-32 Change Notification 2-32 Error Checking 2-32 Saving Your Changes 2-32 Using Different Versions of CMS 2-33 Where to Go Next 2-33 Catalyst 2950 Desktop Switch Software Configuration Guide iv 78-11380-03
Contents Port Modes and LEDs 2-8 VLAN Membership Modes 2-9 Topology View 2-10 Topology Icons 2-12 Device and Link Labels 2-13 Colors in the Topology View 2-14 Topology Display Options 2-14 Menus and ... Verifying Your Changes 2-32 Change Notification 2-32 Error Checking 2-32 Saving Your Changes 2-32 Using Different Versions of CMS 2-33 Where to Go Next 2-33 Catalyst 2950 Desktop Switch Software Configuration Guide iv 78-11380-03
Configuration Guide
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... Access Modes in CMS 5-15 Management VLAN 5-15 LRE Profiles 5-16 Availability of Switch-Specific Features in Switch Clusters 5-16 Creating a Switch Cluster 5-16 Enabling a Command Switch 5-17 Adding Member Switches 5-18 Creating a Cluster Standby Group 5-20 Verifying a Switch Cluster 5-22 Using the CLI to Manage Switch Clusters 5-23 Catalyst 1900 and Catalyst 2820 CLI Considerations 5-23 Using SNMP to...
... Access Modes in CMS 5-15 Management VLAN 5-15 LRE Profiles 5-16 Availability of Switch-Specific Features in Switch Clusters 5-16 Creating a Switch Cluster 5-16 Enabling a Command Switch 5-17 Adding Member Switches 5-18 Creating a Cluster Standby Group 5-20 Verifying a Switch Cluster 5-22 Using the CLI to Manage Switch Clusters 5-23 Catalyst 1900 and Catalyst 2820 CLI Considerations 5-23 Using SNMP to...
Configuration Guide
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... 6-11 Configuring the Switch as an NTP Client 6-11 Enabling NTP Authentication 6-11 Configuring the Switch for NTP Broadcast-Client... Mode 6-12 Configuring SNMP 6-12 Disabling and Enabling SNMP 6-12 Entering Community Strings 6-12 Adding Trap Managers 6-12 Configuring CDP 6-13 Configuring CDP for Extended Discovery 6-14 Managing the ARP Table 6-14 Managing the MAC Address Tables 6-15 MAC Addresses and VLANs... 6-22 Starting TACACS+ Accounting 6-22 Configuring a Switch for Local AAA 6-23 Controlling Switch Access with RADIUS 6-24 Understanding RADIUS 6-24 RADIUS...
... 6-11 Configuring the Switch as an NTP Client 6-11 Enabling NTP Authentication 6-11 Configuring the Switch for NTP Broadcast-Client... Mode 6-12 Configuring SNMP 6-12 Disabling and Enabling SNMP 6-12 Entering Community Strings 6-12 Adding Trap Managers 6-12 Configuring CDP 6-13 Configuring CDP for Extended Discovery 6-14 Managing the ARP Table 6-14 Managing the MAC Address Tables 6-15 MAC Addresses and VLANs... 6-22 Starting TACACS+ Accounting 6-22 Configuring a Switch for Local AAA 6-23 Controlling Switch Access with RADIUS 6-24 Understanding RADIUS 6-24 RADIUS...
Configuration Guide
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... Configuration 7-6 802.1X Configuration Guidelines 7-7 Enabling 802.1X Authentication 7-8 Configuring the Switch-to-RADIUS-Server Communication 7-9 Enabling Periodic Re-Authentication 7-10 Manually Re-Authenticating a Client Connected...VLANs 8-1 Overview 8-1 Management VLANs 8-3 Changing the Management VLAN for a New Switch 8-3 Changing the Management VLAN Through a Telnet Connection 8-4 Assigning VLAN Port Membership Modes 8-4 VLAN Membership Combinations 8-6 Assigning Static-Access Ports to a VLAN 8-7 Using VTP 8-7 The VTP Domain 8-7 VTP Modes and Mode Transitions 8-7 Catalyst 2950 Desktop Switch...
... Configuration 7-6 802.1X Configuration Guidelines 7-7 Enabling 802.1X Authentication 7-8 Configuring the Switch-to-RADIUS-Server Communication 7-9 Enabling Periodic Re-Authentication 7-10 Manually Re-Authenticating a Client Connected...VLANs 8-1 Overview 8-1 Management VLANs 8-3 Changing the Management VLAN for a New Switch 8-3 Changing the Management VLAN Through a Telnet Connection 8-4 Assigning VLAN Port Membership Modes 8-4 VLAN Membership Combinations 8-6 Assigning Static-Access Ports to a VLAN 8-7 Using VTP 8-7 The VTP Domain 8-7 VTP Modes and Mode Transitions 8-7 Catalyst 2950 Desktop Switch...
Configuration Guide
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... the Pruning-Eligible List 8-23 Configuring the Native VLAN for Untagged Traffic 8-24 Load Sharing Using STP 8-24 Load Sharing Using STP Port Priorities 8-25 Configuring STP Port Priorities and Load Sharing 8-25 Load Sharing Using STP Path Cost 8-27 How the VMPS Works 8-28 Catalyst 2950 Desktop Switch Software Configuration Guide ix
... the Pruning-Eligible List 8-23 Configuring the Native VLAN for Untagged Traffic 8-24 Load Sharing Using STP 8-24 Load Sharing Using STP Port Priorities 8-25 Configuring STP Port Priorities and Load Sharing 8-25 Load Sharing Using STP Path Cost 8-27 How the VMPS Works 8-28 Catalyst 2950 Desktop Switch Software Configuration Guide ix
Configuration Guide
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...the Retry Count 8-33 Administering and Monitoring the VMPS 8-34 Troubleshooting Dynamic Port VLAN Membership 8-34 Dynamic Port VLAN Membership Configuration Example 8-34 Configuring STP 9-1 Understanding Basic STP Features 9-1 Supported STP Instances 9-2 STP Overview 9-2 Election of the Root Switch 9-3 Bridge Protocol Data Units 9-3 STP Timers 9-4 Creating the STP Topology 9-4...BPDU Guard 9-10 Understanding UplinkFast 9-11 Understanding Cross-Stack UplinkFast 9-12 How CSUF Works 9-13 Events that Cause Fast Convergence 9-14 Catalyst 2950 Desktop Switch Software Configuration Guide x 78-11380-03
...the Retry Count 8-33 Administering and Monitoring the VMPS 8-34 Troubleshooting Dynamic Port VLAN Membership 8-34 Dynamic Port VLAN Membership Configuration Example 8-34 Configuring STP 9-1 Understanding Basic STP Features 9-1 Supported STP Instances 9-2 STP Overview 9-2 Election of the Root Switch 9-3 Bridge Protocol Data Units 9-3 STP Timers 9-4 Creating the STP Topology 9-4...BPDU Guard 9-10 Understanding UplinkFast 9-11 Understanding Cross-Stack UplinkFast 9-12 How CSUF Works 9-13 Events that Cause Fast Convergence 9-14 Catalyst 2950 Desktop Switch Software Configuration Guide x 78-11380-03
Configuration Guide
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...Understanding Root Guard 9-19 Configuring Basic STP Features 9-20 Default STP Configuration 9-20 Disabling STP 9-21 Configuring the Root Switch 9-21 Configuring a Secondary Root Switch 9-23 Configuring STP Port Priority 9-24 Configuring STP Path Cost 9-25 Configuring the Switch Priority of a VLAN 9-26 Configuring the Hello Time 9-27 Configuring the Forwarding-Delay Time for... Ports 10-5 Enabling Port Security 10-6 Defining the Maximum Secure Address Count 10-7 Enabling Port Security 10-7 Disabling Port Security 10-8 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide xi
...Understanding Root Guard 9-19 Configuring Basic STP Features 9-20 Default STP Configuration 9-20 Disabling STP 9-21 Configuring the Root Switch 9-21 Configuring a Secondary Root Switch 9-23 Configuring STP Port Priority 9-24 Configuring STP Path Cost 9-25 Configuring the Switch Priority of a VLAN 9-26 Configuring the Hello Time 9-27 Configuring the Forwarding-Delay Time for... Ports 10-5 Enabling Port Security 10-6 Defining the Maximum Secure Address Count 10-7 Enabling Port Security 10-7 Disabling Port Security 10-8 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide xi
Configuration Guide
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...H A P T E R 78-11380-03 Leaving a Multicast Group 11-6 CLI: Configuring a Multicast Router Port 11-7 Understanding Multicast VLAN Registration 11-7 Using MVR in a Multicast Television Application 11-8 Configuration Guidelines and Limitations 11-10 Default MVR Configuration 11-10 Configuring MVR Global...12-1 ACLs 12-2 Handling Fragmented and Unfragmented Traffic 12-3 Understanding Access Control Parameters 12-4 Guidelines for Configuring ACLs on the Catalyst 2950 Switches 12-5 Configuring ACLs 12-6 Unsupported Features 12-6 Creating Standard and Extended IP ACLs 12-7 ACL Numbers 12-7 Creating a ...
...H A P T E R 78-11380-03 Leaving a Multicast Group 11-6 CLI: Configuring a Multicast Router Port 11-7 Understanding Multicast VLAN Registration 11-7 Using MVR in a Multicast Television Application 11-8 Configuration Guidelines and Limitations 11-10 Default MVR Configuration 11-10 Configuring MVR Global...12-1 ACLs 12-2 Handling Fragmented and Unfragmented Traffic 12-3 Understanding Access Control Parameters 12-4 Guidelines for Configuring ACLs on the Catalyst 2950 Switches 12-5 Configuring ACLs 12-6 Unsupported Features 12-6 Creating Standard and Extended IP ACLs 12-7 ACL Numbers 12-7 Creating a ...
Configuration Guide
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...more commands. For field-level descriptions of the CMS web-based, switch management interface. Chapter 5, "Clustering Switches," describes switch clusters and the considerations for configuring switch-wide settings. Chapter 8, "Configuring VLANs," provides the considerations and CLI procedures for configuring 802.1X port-... refer to the IOS documentation set available from the Cisco IOS Software drop-down list. Note This guide does not repeat the concepts and CLI procedures provided in the Catalyst 2950 Desktop Switch Command Reference. The online help . For information about...
...more commands. For field-level descriptions of the CMS web-based, switch management interface. Chapter 5, "Clustering Switches," describes switch clusters and the considerations for configuring switch-wide settings. Chapter 8, "Configuring VLANs," provides the considerations and CLI procedures for configuring 802.1X port-... refer to the IOS documentation set available from the Cisco IOS Software drop-down list. Note This guide does not repeat the concepts and CLI procedures provided in the Catalyst 2950 Desktop Switch Command Reference. The online help . For information about...
Configuration Guide
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...software problems related to interfaces and provides examples. With this manual. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide xix Chapter 10, "Configuring the Switch Ports," provides the considerations and CLI procedures for configuring basic and advanced spanning-tree... features. It also describes Multicast VLAN Registration (MVR), a local IGMP snooping feature available on the switch. Notes, cautions, and tips use these conventions: • Terminal sessions and system displays...
...software problems related to interfaces and provides examples. With this manual. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide xix Chapter 10, "Configuring the Switch Ports," provides the considerations and CLI procedures for configuring basic and advanced spanning-tree... features. It also describes Multicast VLAN Registration (MVR), a local IGMP snooping feature available on the switch. Notes, cautions, and tips use these conventions: • Terminal sessions and system displays...
Configuration Guide
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... configuration, monitoring, authentication, and software upgrade of multiple switches (refer to the command switch. • Hot Standby Router Protocol (HSRP) for command-switch redundancy. The Catalyst 2950 switches running Cisco IOS Release12.1(6)EA2 or later support frame sizes 1500 to... 1530 bytes • Per-port broadcast storm control for preventing faulty end stations from subscriber VLANs for bandwidth and security reasons • Protected port (private VLAN...
... configuration, monitoring, authentication, and software upgrade of multiple switches (refer to the command switch. • Hot Standby Router Protocol (HSRP) for command-switch redundancy. The Catalyst 2950 switches running Cisco IOS Release12.1(6)EA2 or later support frame sizes 1500 to... 1530 bytes • Per-port broadcast storm control for preventing faulty end stations from subscriber VLANs for bandwidth and security reasons • Protected port (private VLAN...
Configuration Guide
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... traffic • Dynamic Trunking Protocol (DTP) for redundant backbone connections and loop-free networks. Per-VLAN Spanning Tree (PVST) for negotiating the type of broadcast and multicast traffic; VLAN Support • Catalyst 2950 switches support 250 port-based VLANs for detecting and disabling unidirectional links on fiber-optic interfaces caused by enabling a port to a forwarding...
... traffic • Dynamic Trunking Protocol (DTP) for redundant backbone connections and loop-free networks. Per-VLAN Spanning Tree (PVST) for negotiating the type of broadcast and multicast traffic; VLAN Support • Catalyst 2950 switches support 250 port-based VLANs for detecting and disabling unidirectional links on fiber-optic interfaces caused by enabling a port to a forwarding...
Configuration Guide
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... SNMP, see the "SNMP Network Management Platforms" section on the front-panel images. You can also use Cisco switch clustering technology to manage up to 16 interconnected and supported Catalyst switches through configuring complex features such as VLANs, ACLs, and QoS • Use a wizard that prompts you to provide only minimal required information to configure...
... SNMP, see the "SNMP Network Management Platforms" section on the front-panel images. You can also use Cisco switch clustering technology to manage up to 16 interconnected and supported Catalyst switches through configuring complex features such as VLANs, ACLs, and QoS • Use a wizard that prompts you to provide only minimal required information to configure...
Configuration Guide
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... so that can support applications such as servers and routers to which network users require equal access-directly to carry the VLAN traffic. Catalyst 2950 Desktop Switch Software Configuration Guide 1-8 78-11380-03 Table 1-3 Providing Network Services Network Demands High demand for multimedia support High demand for protecting mission-critical applications Suggested ...
... so that can support applications such as servers and routers to which network users require equal access-directly to carry the VLAN traffic. Catalyst 2950 Desktop Switch Software Configuration Guide 1-8 78-11380-03 Table 1-3 Providing Network Services Network Demands High demand for multimedia support High demand for protecting mission-critical applications Suggested ...
Configuration Guide
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...switches directly to 432 users. With the high speed uplink to a Gigabit backbone switch such as the Catalyst 3550-12G switch. Using the required Cisco...switch to the top switch to nine supported switches. GigaStack GBIC module for different VLANs and subnets, you can have redundant uplink connections to the distribution server, the user can create backup paths by using the Catalyst switches...modules on two of Catalyst 2950-48 switches, you can create backup paths between the switches and network resources. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide ...
...switches directly to 432 users. With the high speed uplink to a Gigabit backbone switch such as the Catalyst 3550-12G switch. Using the required Cisco...switch to the top switch to nine supported switches. GigaStack GBIC module for different VLANs and subnets, you can have redundant uplink connections to the distribution server, the user can create backup paths by using the Catalyst switches...modules on two of Catalyst 2950-48 switches, you can create backup paths between the switches and network resources. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide ...
Configuration Guide
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...location of inter-VLAN routing and allows the router to the Cisco IP Phone. A collapsed backbone has high-bandwidth uplinks from their PCs. Using CMS and Cisco switch clustering technology, you can place, receive, and control calls from all the Catalyst switches except the Catalyst 4908G-L3 switch. You can receive... uses VLANs to create a Gigabit backbone. Users with RJ-45 connectors-to the 10/100 inline-power ports on WAN access. Each 10/100 inline-power port on the Catalyst 3524-PWR XL switches provides -48 VDC power to focus on the Catalyst 3524-PWR XL switches and ...
...location of inter-VLAN routing and allows the router to the Cisco IP Phone. A collapsed backbone has high-bandwidth uplinks from their PCs. Using CMS and Cisco switch clustering technology, you can place, receive, and control calls from all the Catalyst switches except the Catalyst 4908G-L3 switch. You can receive... uses VLANs to create a Gigabit backbone. Users with RJ-45 connectors-to the 10/100 inline-power ports on WAN access. Each 10/100 inline-power port on the Catalyst 3524-PWR XL switches provides -48 VDC power to focus on the Catalyst 3524-PWR XL switches and ...
Configuration Guide
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... on the Catalyst 1900 and Catalyst 2820 switches. Chapter 2 Getting Started with CMS Front Panel View VLAN Membership Modes Ports in the Front Panel view are outlined by colors (Table 2-5) when you click Highlight VLAN Port Membership Modes on the Configure VLANs tab on the VLAN window (VLAN > VLAN > Configure VLANs). The colors show the VLAN membership mode of VLANs it can...
... on the Catalyst 1900 and Catalyst 2820 switches. Chapter 2 Getting Started with CMS Front Panel View VLAN Membership Modes Ports in the Front Panel view are outlined by colors (Table 2-5) when you click Highlight VLAN Port Membership Modes on the Configure VLANs tab on the VLAN window (VLAN > VLAN > Configure VLANs). The colors show the VLAN membership mode of VLANs it can...
Configuration Guide
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... port statistics. If one device is a Catalyst 2950 switch running Cisco IOS Release 12.1(6)EA2 or later. This option is not available from another port on the switch. You can display the system messages of the Catalyst 2950 switches when they are in use by the switch software. Configure the VLAN Membership Policy Server (VMPS). Display graphs that...
... port statistics. If one device is a Catalyst 2950 switch running Cisco IOS Release 12.1(6)EA2 or later. This option is not available from another port on the switch. You can display the system messages of the Catalyst 2950 switches when they are in use by the switch software. Configure the VLAN Membership Policy Server (VMPS). Display graphs that...
Configuration Guide
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...view. Front Panel - Display the Topology view. Not available in the Topology view to display the feature. Upgrade the software for the cluster or switch to VLANs, and configure 802.1Q trunks. Hover the cursor over an icon to Flash memory. Save the presentation of administratively shutdown ports. Available only from this... Chapter 2 Getting Started with the latest status. Display and configure port parameters on the toolbar. Topology Options3 - Some options from a cluster-management session. 2-20 Catalyst 2950 Desktop Switch Software Configuration Guide 78-11380-03
...view. Front Panel - Display the Topology view. Not available in the Topology view to display the feature. Upgrade the software for the cluster or switch to VLANs, and configure 802.1Q trunks. Hover the cursor over an icon to Flash memory. Save the presentation of administratively shutdown ports. Available only from this... Chapter 2 Getting Started with the latest status. Display and configure port parameters on the toolbar. Topology Options3 - Some options from a cluster-management session. 2-20 Catalyst 2950 Desktop Switch Software Configuration Guide 78-11380-03
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... Configuration Guide 2-21 To display the device popup menu, click the switch icon from a cluster-management session. 4. Available from a cluster member switch but not from the port popup menu (Table 2-13). Define the VLAN mode for the Catalyst 1900 and Catalyst 2820 switches. Delete a cluster. To display the port popup menu, click a specific port image, and...
... Configuration Guide 2-21 To display the device popup menu, click the switch icon from a cluster-management session. 4. Available from a cluster member switch but not from the port popup menu (Table 2-13). Define the VLAN mode for the Catalyst 1900 and Catalyst 2820 switches. Delete a cluster. To display the port popup menu, click a specific port image, and...