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...VLANs 17-4 Token Ring VLANs 17-5 Normal-Range VLAN Configuration Guidelines 17-5 VLAN Configuration Mode Options 17-6 VLAN Configuration in config-vlan Mode 17-6 VLAN Configuration in VLAN Configuration Mode 17-6 Saving VLAN Configuration 17-7 Default Ethernet VLAN Configuration 17-7 Creating or Modifying an Ethernet VLAN 17-8 Deleting a VLAN 17-10 Assigning Static-Access Ports to a VLAN...Dynamic Port VLAN Membership 17-26 VMPS Database Configuration File 17-26 Default VMPS Client Configuration 17-27 VMPS Configuration Guidelines 17-27 Catalyst 2950 and Catalyst 2955 Switch Software ...
...VLANs 17-4 Token Ring VLANs 17-5 Normal-Range VLAN Configuration Guidelines 17-5 VLAN Configuration Mode Options 17-6 VLAN Configuration in config-vlan Mode 17-6 VLAN Configuration in VLAN Configuration Mode 17-6 Saving VLAN Configuration 17-7 Default Ethernet VLAN Configuration 17-7 Creating or Modifying an Ethernet VLAN 17-8 Deleting a VLAN 17-10 Assigning Static-Access Ports to a VLAN...Dynamic Port VLAN Membership 17-26 VMPS Database Configuration File 17-26 Default VMPS Client Configuration 17-27 VMPS Configuration Guidelines 17-27 Catalyst 2950 and Catalyst 2955 Switch Software ...
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... Traffic 25-9 Removing Ports from a SPAN Session 25-11 Configuring RSPAN 25-12 RSPAN Configuration Guidelines 25-12 Configuring a VLAN as an RSPAN VLAN 25-13 Creating an RSPAN Source Session 25-13 Creating an RSPAN Destination Session 25-15 Removing Ports from an RSPAN Session 25-16 Displaying SPAN and RSPAN Status 25...-2 Default RMON Configuration 26-3 Configuring RMON Alarms and Events 26-3 Configuring RMON Collection on an Interface 26-5 Displaying RMON Status 26-6 Contents 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide xxi
... Traffic 25-9 Removing Ports from a SPAN Session 25-11 Configuring RSPAN 25-12 RSPAN Configuration Guidelines 25-12 Configuring a VLAN as an RSPAN VLAN 25-13 Creating an RSPAN Source Session 25-13 Creating an RSPAN Destination Session 25-15 Removing Ports from an RSPAN Session 25-16 Displaying SPAN and RSPAN Status 25...-2 Default RMON Configuration 26-3 Configuring RMON Alarms and Events 26-3 Configuring RMON Collection on an Interface 26-5 Displaying RMON Status 26-6 Contents 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide xxi
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... networking professional managing the Catalyst 2950 and 2955 switches, hereafter referred to the command reference for this guide, you should have experience working with the Cisco IOS and be familiar with other documents for using the CLI. The Catalyst 2950 switch is for this guide...topics: • Requirements-This guide assumes that you have assigned switch IP information and passwords by the EI. The cryptographic EI provides support for , creating, and maintaining switch clusters. The Catalyst 2955 switch also supports an additional set of features, including access control lists...
... networking professional managing the Catalyst 2950 and 2955 switches, hereafter referred to the command reference for this guide, you should have experience working with the Cisco IOS and be familiar with other documents for using the CLI. The Catalyst 2950 switch is for this guide...topics: • Requirements-This guide assumes that you have assigned switch IP information and passwords by the EI. The cryptographic EI provides support for , creating, and maintaining switch clusters. The Catalyst 2955 switch also supports an additional set of features, including access control lists...
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...a port Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 1-5 Loop guard for network moves, adds, and changes; management and control of the spanning tree by immediately transitioning root and designated ports to be used • Voice VLAN for creating subnets for...VLANs. • The switch supports up to 4094 VLAN IDs to allow service provider networks to support the number of VLANs allowed by enabling a port to immediately transition from the blocking state to send and receive control protocol frames. Port Fast for voice traffic from Cisco IP Phones • VLAN...
...a port Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 1-5 Loop guard for network moves, adds, and changes; management and control of the spanning tree by immediately transitioning root and designated ports to be used • Voice VLAN for creating subnets for...VLANs. • The switch supports up to 4094 VLAN IDs to allow service provider networks to support the number of VLANs allowed by enabling a port to immediately transition from the blocking state to send and receive control protocol frames. Port Fast for voice traffic from Cisco IP Phones • VLAN...
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...feature between the switch and its connected servers and routers. As your network traffic profiles evolve, consider providing network services that they use VLANs and IP subnets...page 1-18 • "Large Campus Configuration" section on page 1-19 • "Multidwelling Network Using Catalyst 2950 Switches" section on page 1-20 • "Long-Distance, High-Bandwidth Transport Configuration" section on a single... network segment and a growing number of users accessing the Internet • Create smaller network segments so that fewer users share the bandwidth, and use . Table 1-3 ...
...feature between the switch and its connected servers and routers. As your network traffic profiles evolve, consider providing network services that they use VLANs and IP subnets...page 1-18 • "Large Campus Configuration" section on page 1-19 • "Multidwelling Network Using Catalyst 2950 Switches" section on page 1-20 • "Long-Distance, High-Bandwidth Transport Configuration" section on a single... network segment and a growing number of users accessing the Internet • Create smaller network segments so that fewer users share the bandwidth, and use . Table 1-3 ...
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... two queues per port to a backbone switch in a star configuration. To preserve switch connectivity if one of the redundant connections fails, the other can create backup paths by using the Catalyst switches to create these Gigabit Ethernet modules also provides flexibility... switches. High demand for protecting mission-critical applications • Use VLANs and protected ports to efficiently forward multicast traffic. Figure 1-1 shows configuration examples of the switches, you can connect up to nine Catalyst 2900 XL, Catalyst 2950, Catalyst 3500 XL, and Catalyst 3550 switches ...
... two queues per port to a backbone switch in a star configuration. To preserve switch connectivity if one of the redundant connections fails, the other can create backup paths by using the Catalyst switches to create these Gigabit Ethernet modules also provides flexibility... switches. High demand for protecting mission-critical applications • Use VLANs and protected ports to efficiently forward multicast traffic. Figure 1-1 shows configuration examples of the switches, you can connect up to nine Catalyst 2900 XL, Catalyst 2950, Catalyst 3500 XL, and Catalyst 3550 switches ...
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.... Using the required Cisco proprietary signaling and cabling, the GigaStack GBIC-to 32,808 feet (10 kilometers) (supported only on the Catalyst 2950 LRE switches) • Redundant Gigabit backbone-Using HSRP, you can create backup paths between the switches and network resources. GigaStack GBIC module for different VLANs and subnets, you can connect the Catalyst 2950 switches, again in a stack...
.... Using the required Cisco proprietary signaling and cabling, the GigaStack GBIC-to 32,808 feet (10 kilometers) (supported only on the Catalyst 2950 LRE switches) • Redundant Gigabit backbone-Using HSRP, you can create backup paths between the switches and network resources. GigaStack GBIC module for different VLANs and subnets, you can connect the Catalyst 2950 switches, again in a stack...
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... an AC power source. 1-14 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 You can have up to create a Gigabit backbone. The workgroups are configured on the Catalyst 2950 switches. When the switch and server ports are connected-using standard straight-through one VLAN can be configured per wiring closet. Cisco IP Phones are configured for a network...
... an AC power source. 1-14 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 You can have up to create a Gigabit backbone. The workgroups are configured on the Catalyst 2950 switches. When the switch and server ports are connected-using standard straight-through one VLAN can be configured per wiring closet. Cisco IP Phones are configured for a network...
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..., you have entered. While in the switch startup configuration file. Switch(vlan)# Exit Method About This Mode Enter logout or quit. To exit to configure parameters that you can create extended-range VLANs (VLAN IDs greater than 1005) and save configurations in user EXEC Switch# mode, enter the enable command. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 2-2 78-11380...
..., you have entered. While in the switch startup configuration file. Switch(vlan)# Exit Method About This Mode Enter logout or quit. To exit to configure parameters that you can create extended-range VLANs (VLAN IDs greater than 1005) and save configurations in user EXEC Switch# mode, enter the enable command. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 2-2 78-11380...
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... 2 enabled. • A Catalyst 2955 standby command switch is connected to other standby switches through its management VLAN and to all member switches through a common VLAN. • A Catalyst 2950 LRE standby command switch is connected to other standby switches through its management VLAN and to all member switches through a common VLAN. • If a non-LRE Catalyst 2950 standby command switch is running a release earlier than Cisco IOS Release...
... 2 enabled. • A Catalyst 2955 standby command switch is connected to other standby switches through its management VLAN and to all member switches through a common VLAN. • A Catalyst 2950 LRE standby command switch is connected to other standby switches through its management VLAN and to all member switches through a common VLAN. • If a non-LRE Catalyst 2950 standby command switch is running a release earlier than Cisco IOS Release...
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...Automatic Discovery of Newly Installed Switches, page 7-10 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 7-5 Note Do not disable CDP on the command switch, on cluster members, or on interfaces that you might want a command switch to discover. This section describes...Modes in CMS, page 7-16 • Management VLAN, page 7-16 • LRE Profiles, page 7-17 • Availability of Switch-Specific Features in Switch Clusters, page 7-17 Refer to the release notes for the list of Catalyst switches eligible for the browser and Java plug-in configurations....
...Automatic Discovery of Newly Installed Switches, page 7-10 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 7-5 Note Do not disable CDP on the command switch, on cluster members, or on interfaces that you might want a command switch to discover. This section describes...Modes in CMS, page 7-16 • Management VLAN, page 7-16 • LRE Profiles, page 7-17 • Availability of Switch-Specific Features in Switch Clusters, page 7-17 Refer to the release notes for the list of Catalyst switches eligible for the browser and Java plug-in configurations....
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... command. 10-12 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 To disable 802.1x authentication on the switch. (Optional) Configure the switch for user RADIUS authorization... 802.1x Authentication Chapter 10 Configuring 802.1x Port-Based Authentication To allow VLAN assignment (for switches running -config startup-config Purpose Enter global configuration mode. Verify your entries...disable 802.1x AAA authorization, use the default keyword followed by the client. Create an 802.1x authentication method list. To disable AAA, use the no authentication...
... command. 10-12 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 To disable 802.1x authentication on the switch. (Optional) Configure the switch for user RADIUS authorization... 802.1x Authentication Chapter 10 Configuring 802.1x Port-Based Authentication To allow VLAN assignment (for switches running -config startup-config Purpose Enter global configuration mode. Verify your entries...disable 802.1x AAA authorization, use the default keyword followed by the client. Create an 802.1x authentication method list. To disable AAA, use the no authentication...
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... auto Step 8 Step 9 Step 10 end show dot1x copy running-config startup-config Purpose Create an 802.1x authentication method list. Enter at least one of these keywords: • ... or VLAN assignment. Return to the accounting RADIUS server for authentication. • none-Use no authentication. Enable 802.1x authentication globally on the switch. (Optional) Configure the switch for ...reload events to be lost due to receive Accounting Response. 10-20 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 Because RADIUS uses the unreliable UDP ...
... auto Step 8 Step 9 Step 10 end show dot1x copy running-config startup-config Purpose Create an 802.1x authentication method list. Enter at least one of these keywords: • ... or VLAN assignment. Return to the accounting RADIUS server for authentication. • none-Use no authentication. Enable 802.1x authentication globally on the switch. (Optional) Configure the switch for ...reload events to be lost due to receive Accounting Response. 10-20 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 Because RADIUS uses the unreliable UDP ...
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... receiving port. For more information, see Chapter 31, "Configuring EtherChannels." 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 11-3 A VLAN comes into one switch port. The VLAN configurations for high-bandwidth connections between switches or between the VLANs. To configure extended-range VLANs (VLAN IDs 1006 to 4094) when the EI is installed, you must use the...
... receiving port. For more information, see Chapter 31, "Configuring EtherChannels." 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 11-3 A VLAN comes into one switch port. The VLAN configurations for high-bandwidth connections between switches or between the VLANs. To configure extended-range VLANs (VLAN IDs 1006 to 4094) when the EI is installed, you must use the...
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... - Before you exit interface-range mode. fastethernet slot/{first port} - {last port}, where slot is 0 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 11-7 The commands are being executed, some commands might not be configured by using the define interface-range global ...Optional) Save your entries in privileged EXEC mode, follow these guidelines: • Valid entries for configuration. vlan-ID, where VLAN ID is a 32-character maximum character string. • A macro can create an interface-range macro to privileged EXEC mode.
... - Before you exit interface-range mode. fastethernet slot/{first port} - {last port}, where slot is 0 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 11-7 The commands are being executed, some commands might not be configured by using the define interface-range global ...Optional) Save your entries in privileged EXEC mode, follow these guidelines: • Valid entries for configuration. vlan-ID, where VLAN ID is a 32-character maximum character string. • A macro can create an interface-range macro to privileged EXEC mode.
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... enabled by default on VLAN 1 and on all newly created VLANs up to the spanning-tree limit specified in Table 14-1 on page 14-4.) Note The spanning-tree vlan vlan-id root global configuration command fails if the value necessary to be the root switch is less than 1. 14-14 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78...
... enabled by default on VLAN 1 and on all newly created VLANs up to the spanning-tree limit specified in Table 14-1 on page 14-4.) Note The spanning-tree vlan vlan-id root global configuration command fails if the value necessary to be the root switch is less than 1. 14-14 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78...
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...information for the commands used in Figure 17-1. Each VLAN is logically segmented by function, project team, or application, without regard to the physical locations of spanning tree. Note Before you create VLANs, you can group end stations even if they are...Configuring VTP." 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 17-1 Configuring VLANs 17 C H A P T E R This chapter describes how to configure normal-range VLANs (VLAN IDs 1 to 1005) and extended-range VLANs (VLAN IDs 1006 to 4094) on your network. Any switch port can support its own ...
...information for the commands used in Figure 17-1. Each VLAN is logically segmented by function, project team, or application, without regard to the physical locations of spanning tree. Note Before you create VLANs, you can group end stations even if they are...Configuring VTP." 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 17-1 Configuring VLANs 17 C H A P T E R This chapter describes how to configure normal-range VLANs (VLAN IDs 1 to 1005) and extended-range VLANs (VLAN IDs 1006 to 4094) on your network. Any switch port can support its own ...
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...-based, or static, VLAN membership. Supported VLANs Catalyst 2950 switches that run the standard software image (SI) support 64 VLANs; The switch supports per VLAN. Catalyst 2950 and Catalyst 2955 switches that run the enhanced software image (EI) support 250 VLANs. Understanding VLANs Chapter 17 Configuring VLANs Figure 17-1 shows an example of switches that support each image. Interface VLAN membership on the switch is installed. See the...
...-based, or static, VLAN membership. Supported VLANs Catalyst 2950 switches that run the standard software image (SI) support 64 VLANs; The switch supports per VLAN. Catalyst 2950 and Catalyst 2955 switches that run the enhanced software image (EI) support 250 VLANs. Understanding VLANs Chapter 17 Configuring VLANs Figure 17-1 shows an example of switches that support each image. Interface VLAN membership on the switch is installed. See the...
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... global configuration command. They cannot be saved. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 17-13 If the number of VLANs on the switch exceeds the maximum number of spanning-tree instances (64) are on page 17-14 before creating the extended-range VLAN. For more information about MSTP, see Table 17-2) and...
... global configuration command. They cannot be saved. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 17-13 If the number of VLANs on the switch exceeds the maximum number of spanning-tree instances (64) are on page 17-14 before creating the extended-range VLAN. For more information about MSTP, see Table 17-2) and...
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...basis. VTP minimizes misconfigurations and configuration inconsistencies that maintains VLAN configuration consistency by VTP or stored in the VTP VLAN database. Before you create VLANs, you cannot send information about normal-range VLANs (VLAN IDs 1 to 1005). Without VTP, you must ... such as duplicate VLAN names, incorrect VLAN-type specifications, and security violations. Extended-range VLANs (VLAN IDs greater than 1005) are only supported when the enhanced software image (EI) is saved in your Catalyst 2950 or Catalyst 2955 switch. Extended-range VLANs are not supported by...
...basis. VTP minimizes misconfigurations and configuration inconsistencies that maintains VLAN configuration consistency by VTP or stored in the VTP VLAN database. Before you create VLANs, you cannot send information about normal-range VLANs (VLAN IDs 1 to 1005). Without VTP, you must ... such as duplicate VLAN names, incorrect VLAN-type specifications, and security violations. Extended-range VLANs (VLAN IDs greater than 1005) are only supported when the enhanced software image (EI) is saved in your Catalyst 2950 or Catalyst 2955 switch. Extended-range VLANs are not supported by...