Configuration Guide
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... 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 Manage Switch Clusters 5-24 Configuring the System 6-1 Changing IP...
... 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 Manage Switch Clusters 5-24 Configuring the System 6-1 Changing IP...
Configuration Guide
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...11 Configuring Daylight Saving Time 6-11 Configuring the Network Time Protocol 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... Authorization for Privileged EXEC Access and Network Services 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 Operation 6-25 Configuring RADIUS 6-26 Default RADIUS Configuration 6-26 Identifying the RADIUS Server Host ...
...11 Configuring Daylight Saving Time 6-11 Configuring the Network Time Protocol 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... Authorization for Privileged EXEC Access and Network Services 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 Operation 6-25 Configuring RADIUS 6-26 Default RADIUS Configuration 6-26 Identifying the RADIUS Server Host ...
Configuration Guide
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... Port 8-22 CLI: Defining the Allowed VLANs on a Trunk 8-23 Changing 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...
... Port 8-22 CLI: Defining the Allowed VLANs on a Trunk 8-23 Changing 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...
Configuration Guide
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... 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 a VLAN 9-27... Protected 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
... 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 a VLAN 9-27... Protected 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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... Configuring SPAN 10-22 SPAN Configuration Guidelines 10-22 Creating a SPAN Session and Specifying Ports to Monitor 10-23 Removing Ports from a SPAN Session 10-24 Displaying SPAN Status 10-25 Configuring IGMP Snooping and MVR 11-1 Understanding and Configuring IGMP Snooping 11-1 Enabling or Disabling IGMP Snooping 11-2 CLI: Enabling... 11-3 Setting the Snooping Method 11-4 Joining a Multicast Group 11-4 Statically Configuring a Host to Join a Group 11-5 CLI: Statically Configuring a Interface to Join a Group 11-6 Catalyst 2950 Desktop Switch Software Configuration Guide xii 78-11380-03
... Configuring SPAN 10-22 SPAN Configuration Guidelines 10-22 Creating a SPAN Session and Specifying Ports to Monitor 10-23 Removing Ports from a SPAN Session 10-24 Displaying SPAN Status 10-25 Configuring IGMP Snooping and MVR 11-1 Understanding and Configuring IGMP Snooping 11-1 Enabling or Disabling IGMP Snooping 11-2 CLI: Enabling... 11-3 Setting the Snooping Method 11-4 Joining a Multicast Group 11-4 Statically Configuring a Host to Join a Group 11-5 CLI: Statically Configuring a Interface to Join a Group 11-6 Catalyst 2950 Desktop Switch Software Configuration Guide xii 78-11380-03
Configuration Guide
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... DSCP-to-CoS Map 13-22 Configuring CoS and WRR 13-23 CLI: Configuring CoS Priority Queues 13-24 Configuring WRR 13-24 Displaying QoS Information 13-25 QoS Configuration Examples 13-25 QoS Configuration for the Common Wiring Closet 13-26...Connectivity 14-5 Recovering from a Command Switch Failure 14-5 Replacing a Failed Command Switch with a Cluster Member 14-6 Replacing a Failed Command Switch with Another Switch 14-7 Recovering from a Failed Command Switch Without HSRP 14-8 Recovering from a Lost or Forgotten Password 14-9 Catalyst 2950 Desktop Switch Software Configuration Guide xiv 78-11380...
... DSCP-to-CoS Map 13-22 Configuring CoS and WRR 13-23 CLI: Configuring CoS Priority Queues 13-24 Configuring WRR 13-24 Displaying QoS Information 13-25 QoS Configuration Examples 13-25 QoS Configuration for the Common Wiring Closet 13-26...Connectivity 14-5 Recovering from a Command Switch Failure 14-5 Replacing a Failed Command Switch with a Cluster Member 14-6 Replacing a Failed Command Switch with Another Switch 14-7 Recovering from a Failed Command Switch Without HSRP 14-8 Recovering from a Lost or Forgotten Password 14-9 Catalyst 2950 Desktop Switch Software Configuration Guide xiv 78-11380...
Configuration Guide
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... supported by either the standard software image or the enhanced software image. The enhanced software image supports these switches: • Catalyst 2950C-24 • Catalyst 2950G-12-EI • Catalyst 2950G-24-EI • Catalyst 2950G-24-EI-DC • Catalyst 2950G-48-EI • Catalyst 2950T-24 The standard software image supports these topics: • Requirements-This guide assumes that you have met the hardware...
... supported by either the standard software image or the enhanced software image. The enhanced software image supports these switches: • Catalyst 2950C-24 • Catalyst 2950G-12-EI • Catalyst 2950G-24-EI • Catalyst 2950G-24-EI-DC • Catalyst 2950G-48-EI • Catalyst 2950T-24 The standard software image supports these topics: • Requirements-This guide assumes that you have met the hardware...
Configuration Guide
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...port faults • IEEE 802.1d Spanning Tree Protocol (STP) for redundant backbone connections and loop-free networks. Note The Catalyst 2950-12 and Catalyst 2950-24 switches support only 64 port-based VLANs. • IEEE 802.1Q trunking protocol on page 8-2). STP root guard for preventing... switches outside the network core from a blocking state to links destined for stations receiving the traffic • Dynamic Trunking Protocol (DTP) ...
...port faults • IEEE 802.1d Spanning Tree Protocol (STP) for redundant backbone connections and loop-free networks. Note The Catalyst 2950-12 and Catalyst 2950-24 switches support only 64 port-based VLANs. • IEEE 802.1Q trunking protocol on page 8-2). STP root guard for preventing... switches outside the network core from a blocking state to links destined for stations receiving the traffic • Dynamic Trunking Protocol (DTP) ...
Configuration Guide
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... an port LEDs. Catalyst 2950 Desktop Switch Software Configuration Guide 2-4 Right-click the command switch image to view or change connected RPS. Figure 2-3 Front Panel View from a command switch, the Front Panel view displays the front-panel images of the specific switch (Figure 2-3). Front ...is launched from a Standalone Switch 2950-24 2950-24 65719 Left-click the Mode LEDs display the Right-click a port to button to select multiple ports. When CMS is launched from a Command Switch cluster1 10.1.1.2 65718 Cluster tree. switch and option to display ...
... an port LEDs. Catalyst 2950 Desktop Switch Software Configuration Guide 2-4 Right-click the command switch image to view or change connected RPS. Figure 2-3 Front Panel View from a command switch, the Front Panel view displays the front-panel images of the specific switch (Figure 2-3). Front ...is launched from a Standalone Switch 2950-24 2950-24 65719 Left-click the Mode LEDs display the Right-click a port to button to select multiple ports. When CMS is launched from a Command Switch cluster1 10.1.1.2 65718 Cluster tree. switch and option to display ...
Configuration Guide
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... third-party devices. Available from a cluster member switch but not from the command switch. Not available in read -only mode. Available from a cluster member switch but not from the command switch. 2-24 Catalyst 2950 Desktop Switch Software Configuration Guide 78-11380-03 Available from a cluster member switch but not on Cisco IP phones, hubs, routers and on either end...
... third-party devices. Available from a cluster member switch but not from the command switch. Not available in read -only mode. Available from a cluster member switch but not from the command switch. 2-24 Catalyst 2950 Desktop Switch Software Configuration Guide 78-11380-03 Available from a cluster member switch but not on Cisco IP phones, hubs, routers and on either end...
Configuration Guide
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...that certain combinations of managers able to configure, monitor, and troubleshoot Catalyst 2950 switches. For more detailed error message reporting to Manage Switch Clusters" section on page 5-24. Catalyst 2950 Desktop Switch Software Configuration Guide 4-4 78-11380-03 You can configure these ... switches through 1907. - This section describes how to access MIB objects to configure and manage your switch by using the CLI. SNMP Network Management Platforms Chapter 4 General Switch Administration • Configuring your web browser • Displaying the Cisco ...
...that certain combinations of managers able to configure, monitor, and troubleshoot Catalyst 2950 switches. For more detailed error message reporting to Manage Switch Clusters" section on page 5-24. Catalyst 2950 Desktop Switch Software Configuration Guide 4-4 78-11380-03 You can configure these ... switches through 1907. - This section describes how to access MIB objects to configure and manage your switch by using the CLI. SNMP Network Management Platforms Chapter 4 General Switch Administration • Configuring your web browser • Displaying the Cisco ...
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... using CMS to configure switch clusters, refer to Manage Switch Clusters, page 5-24 Configuring switch clusters is more easily done from the Cluster Management Suite (CMS) web-based interface than through the command-line interface (CLI). For the CLI cluster commands, refer to create a cluster. For complete procedures on Catalyst 2950 switch clusters. It also includes...
... using CMS to configure switch clusters, refer to Manage Switch Clusters, page 5-24 Configuring switch clusters is more easily done from the Cluster Management Suite (CMS) web-based interface than through the command-line interface (CLI). For the CLI cluster commands, refer to create a cluster. For complete procedures on Catalyst 2950 switch clusters. It also includes...
Configuration Guide
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... password exists for the switch, leave this field blank. Chapter 5 Clustering Switches Figure 5-8 Add to the cluster. 65725 Catalyst 2950 Desktop Switch Software Configuration Guide 5-19 Right-click a candidate switch to display the pop-up menu, and select Add to Cluster to add the switch to Cluster Window 2900-LRE-24-1 Creating a Switch Cluster Select a switch, and click Add...
... password exists for the switch, leave this field blank. Chapter 5 Clustering Switches Figure 5-8 Add to the cluster. 65725 Catalyst 2950 Desktop Switch Software Configuration Guide 5-19 Right-click a candidate switch to display the pop-up menu, and select Add to Cluster to add the switch to Cluster Window 2900-LRE-24-1 Creating a Switch Cluster Select a switch, and click Add...
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Must be changed. 65726 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 5-21 NMS-3550-12T-149 (cisco WS-C3550-1 3550-150 (cisco WS-C3550-12T, SC, ... Active command switch. Once entered, this information cannot be a valid IP address in the same subnet as the active command switch. Standby command switch. Chapter 5 Clustering Switches Figure 5-10 Standby Command Configuration Window Creating a Switch Cluster 2950C (cisco WS-C2950-C-24, HC, ...
Must be changed. 65726 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 5-21 NMS-3550-12T-149 (cisco WS-C3550-1 3550-150 (cisco WS-C3550-12T, SC, ... Active command switch. Once entered, this information cannot be a valid IP address in the same subnet as the active command switch. Standby command switch. Chapter 5 Clustering Switches Figure 5-10 Standby Command Configuration Window Creating a Switch Cluster 2950C (cisco WS-C2950-C-24, HC, ...
Configuration Guide
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... standby group is a cluster standby group configured for a Cluster SNMP Manager Command switch Trap 1, Trap 2, Trap 3 Trap Trap Trap 33020 Member 1 Member 2 Member 3 5-24 Catalyst 2950 Desktop Switch Software Configuration Guide 78-11380-03 On Catalyst 1900 and Catalyst 2820 switches, SNMP is the switch number) to the first configured read-write and read -only community strings to...
... standby group is a cluster standby group configured for a Cluster SNMP Manager Command switch Trap 1, Trap 2, Trap 3 Trap Trap Trap 33020 Member 1 Member 2 Member 3 5-24 Catalyst 2950 Desktop Switch Software Configuration Guide 78-11380-03 On Catalyst 1900 and Catalyst 2820 switches, SNMP is the switch number) to the first configured read-write and read -only community strings to...
Configuration Guide
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... 255.255.255.0 10.0.0.10 10.0.0.2 maritsu or 10.0.0.3 switch2-confg switch2 Switch-3 00e0.9f1e.2003 10.0.0.23 255.255.255.0 10.0.0.10 10.0.0.2 maritsu or 10.0.0.3 switch3-confg switch3 Switch-4 00e0.9f1e.2004 10.0.0.24 255.255.255.0 10.0.0.10 10.0.0.2 maritsu or 10.0.0.3 switch4-confg switch4...21 ip host switch2 10.0.0.22 ip host switch3 10.0.0.23 ip host switch4 10.0.0.24 DHCP Client Configuration No configuration file is present on its host name (switch1). 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 6-9 TFTP Server Configuration (on UNIX) The TFTP server base ...
... 255.255.255.0 10.0.0.10 10.0.0.2 maritsu or 10.0.0.3 switch2-confg switch2 Switch-3 00e0.9f1e.2003 10.0.0.23 255.255.255.0 10.0.0.10 10.0.0.2 maritsu or 10.0.0.3 switch3-confg switch3 Switch-4 00e0.9f1e.2004 10.0.0.24 255.255.255.0 10.0.0.10 10.0.0.2 maritsu or 10.0.0.3 switch4-confg switch4...21 ip host switch2 10.0.0.22 ip host switch3 10.0.0.23 ip host switch4 10.0.0.24 DHCP Client Configuration No configuration file is present on its host name (switch1). 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 6-9 TFTP Server Configuration (on UNIX) The TFTP server base ...
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... Greenwich, England, and east of the international date line. Configuring the Network Time Protocol In complex networks, it . 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 6-11 Chapter 6 Configuring the System Setting the System Date and Time Both types of passwords can contain from 1 to... up to ten NTP servers and specifying which server should be used as an offset to change the date and a 24-hour clock time setting on Cisco.com for minutes. for time information are ignored; If you can distribute time information by the servers to be coordinated...
... Greenwich, England, and east of the international date line. Configuring the Network Time Protocol In complex networks, it . 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 6-11 Chapter 6 Configuring the System Setting the System Date and Time Both types of passwords can contain from 1 to... up to ten NTP servers and specifying which server should be used as an offset to change the date and a 24-hour clock time setting on Cisco.com for minutes. for time information are ignored; If you can distribute time information by the servers to be coordinated...
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...Fa0/24 10 0000.0000.0001 STATIC Fa0/7 10 0404.0400.0006 DYNAMIC Fa0/7 Total Mac Addresses for additional information and CLI procedures. MAC Addresses and VLANs All addresses are associated with a secured port. Each VLAN maintains its own logical address table. An address can be forwarded to the Cisco ... 6 Configuring the System Managing the MAC Address Tables The Address Resolution Protocol (ARP) associates a host IP address with a port in another . 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 6-15 An address can exist in more ports.
...Fa0/24 10 0000.0000.0001 STATIC Fa0/7 10 0404.0400.0006 DYNAMIC Fa0/7 Total Mac Addresses for additional information and CLI procedures. MAC Addresses and VLANs All addresses are associated with a secured port. Each VLAN maintains its own logical address table. An address can be forwarded to the Cisco ... 6 Configuring the System Managing the MAC Address Tables The Address Resolution Protocol (ARP) associates a host IP address with a port in another . 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 6-15 An address can exist in more ports.
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... detailed accounting information and flexible administrative control over authentication and authorization processes. You can add a Cisco switch containing a RADIUS client to the network through a protocol such as time, packets, bytes, and so forth) used ... for Release 12.1. RADIUS clients run on supported Cisco routers and switches (including Catalyst 3550 multilayer switches and Catalyst 2950 switches) and send authentication requests to meet special security and billing needs. 6-24 Catalyst 2950 Desktop Switch Software Configuration Guide 78-11380-03 You can use...
... detailed accounting information and flexible administrative control over authentication and authorization processes. You can add a Cisco switch containing a RADIUS client to the network through a protocol such as time, packets, bytes, and so forth) used ... for Release 12.1. RADIUS clients run on supported Cisco routers and switches (including Catalyst 3550 multilayer switches and Catalyst 2950 switches) and send authentication requests to meet special security and billing needs. 6-24 Catalyst 2950 Desktop Switch Software Configuration Guide 78-11380-03 You can use...
Configuration Guide
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...switch and the key string to be set the encryption key to configure some settings on the RADIUS server: Switch...(config)# radius-server host 172.l20.39.46 auth-port 1612 key rad123 You can enable periodic 802.1X client re-authentication and specify how often it occurs. Enable periodic re-authentication of the switch... only if periodic re-authentication is disabled by both the server and the switch... global configuration command. 7-10 Catalyst 2950 Desktop Switch Software Configuration Guide 78-11380-...see the "Controlling Switch Access with IP address 172.20.39...
...switch and the key string to be set the encryption key to configure some settings on the RADIUS server: Switch...(config)# radius-server host 172.l20.39.46 auth-port 1612 key rad123 You can enable periodic 802.1X client re-authentication and specify how often it occurs. Enable periodic re-authentication of the switch... only if periodic re-authentication is disabled by both the server and the switch... global configuration command. 7-10 Catalyst 2950 Desktop Switch Software Configuration Guide 78-11380-...see the "Controlling Switch Access with IP address 172.20.39...