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... 1-1 Management Options 1-8 Management Interface Options 1-8 Advantages of Using CMS and Clustering Switches 1-9 Network Configuration Examples 1-10 Design Concepts for Using the Switch 1-10 Small to Medium-Sized Network Configuration 1-13 Collapsed Backbone and Switch Cluster Configuration 1-14 Hotel Network Configuration 1-15 Service-Provider Central-Office Configuration 1-18 Large Campus Configuration 1-19 Multidwelling Network Using Catalyst 2950 Switches 1-20...
... 1-1 Management Options 1-8 Management Interface Options 1-8 Advantages of Using CMS and Clustering Switches 1-9 Network Configuration Examples 1-10 Design Concepts for Using the Switch 1-10 Small to Medium-Sized Network Configuration 1-13 Collapsed Backbone and Switch Cluster Configuration 1-14 Hotel Network Configuration 1-15 Service-Provider Central-Office Configuration 1-18 Large Campus Configuration 1-19 Multidwelling Network Using Catalyst 2950 Switches 1-20...
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...Discovery through Non-CDP-Capable and Noncluster-Capable Devices 7-7 Discovery through the Same Management VLAN 7-8 Discovery through Different Management VLANs 7-9 Discovery of Newly Installed Switches 7-10 HSRP and Standby Command Switches 7-11 Virtual IP Addresses 7-12 Other Considerations for Cluster Standby Groups 7-12 ...7-15 SNMP Community Strings 7-15 TACACS+ and RADIUS 7-16 Access Modes in CMS 7-16 Management VLAN 7-16 LRE Profiles 7-17 Availability of Switch-Specific Features in Switch Clusters 7-17 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide vii
...Discovery through Non-CDP-Capable and Noncluster-Capable Devices 7-7 Discovery through the Same Management VLAN 7-8 Discovery through Different Management VLANs 7-9 Discovery of Newly Installed Switches 7-10 HSRP and Standby Command Switches 7-11 Virtual IP Addresses 7-12 Other Considerations for Cluster Standby Groups 7-12 ...7-15 SNMP Community Strings 7-15 TACACS+ and RADIUS 7-16 Access Modes in CMS 7-16 Management VLAN 7-16 LRE Profiles 7-17 Availability of Switch-Specific Features in Switch Clusters 7-17 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide vii
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...H A P T E R Creating a Switch Cluster 7-18 Enabling a Command Switch 7-18 Adding Member Switches 7-19 Creating a Cluster Standby Group 7-21 Verifying a Switch Cluster 7-22 Using the CLI to Manage Switch Clusters 7-23 Catalyst 1900 and Catalyst 2820 CLI Considerations 7-24 Using SNMP to Manage Switch Clusters 7-24 Administering the Switch 8-1 Managing the System Time and Date 8-1 Understanding the... Banner Configuration 8-19 Configuring a Message-of-the-Day Login Banner 8-20 Configuring a Login Banner 8-21 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide viii 78-11380-10
...H A P T E R Creating a Switch Cluster 7-18 Enabling a Command Switch 7-18 Adding Member Switches 7-19 Creating a Cluster Standby Group 7-21 Verifying a Switch Cluster 7-22 Using the CLI to Manage Switch Clusters 7-23 Catalyst 1900 and Catalyst 2820 CLI Considerations 7-24 Using SNMP to Manage Switch Clusters 7-24 Administering the Switch 8-1 Managing the System Time and Date 8-1 Understanding the... Banner Configuration 8-19 Configuring a Message-of-the-Day Login Banner 8-20 Configuring a Login Banner 8-21 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide viii 78-11380-10
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...Address Entries 8-26 Configuring Unicast MAC Address Filtering 8-27 Displaying Address Table Entries 8-28 Managing the ARP Table 8-28 Configuring Switch-Based Authentication 9-1 Preventing Unauthorized Access to Your Switch 9-1 Protecting Access to Privileged EXEC Commands 9-2 Default Password and Privilege Level Configuration 9-2 ... Services 9-16 Starting TACACS+ Accounting 9-17 Displaying the TACACS+ Configuration 9-17 Controlling Switch Access with RADIUS 9-18 Understanding RADIUS 9-18 RADIUS Operation 9-19 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide ix
...Address Entries 8-26 Configuring Unicast MAC Address Filtering 8-27 Displaying Address Table Entries 8-28 Managing the ARP Table 8-28 Configuring Switch-Based Authentication 9-1 Preventing Unauthorized Access to Your Switch 9-1 Protecting Access to Privileged EXEC Commands 9-2 Default Password and Privilege Level Configuration 9-2 ... Services 9-16 Starting TACACS+ Accounting 9-17 Displaying the TACACS+ Configuration 9-17 Controlling Switch Access with RADIUS 9-18 Understanding RADIUS 9-18 RADIUS Operation 9-19 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide ix
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...State 14-6 Learning State 14-6 Forwarding State 14-6 Disabled State 14-7 How a Switch or Port Becomes the Root Switch or Root Port 14-7 Spanning Tree and Redundant Connectivity 14-8 Spanning-Tree Address Management 14-8 Accelerated Aging to Retain Connectivity 14-8 Spanning-Tree Modes and Protocols 14-9 ... 14-12 Changing the Spanning-Tree Mode 14-13 Disabling Spanning Tree 14-14 Configuring the Root Switch 14-14 Configuring a Secondary Root Switch 14-16 Configuring the Port Priority 14-17 Configuring the Path Cost 14-19 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide xiii
...State 14-6 Learning State 14-6 Forwarding State 14-6 Disabled State 14-7 How a Switch or Port Becomes the Root Switch or Root Port 14-7 Spanning Tree and Redundant Connectivity 14-8 Spanning-Tree Address Management 14-8 Accelerated Aging to Retain Connectivity 14-8 Spanning-Tree Modes and Protocols 14-9 ... 14-12 Changing the Spanning-Tree Mode 14-13 Disabling Spanning Tree 14-14 Configuring the Root Switch 14-14 Configuring a Secondary Root Switch 14-16 Configuring the Port Priority 14-17 Configuring the Path Cost 14-19 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide xiii
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...-11 Configuring the UNIX System Logging Facility 27-11 Displaying the Logging Configuration 27-13 Configuring SNMP 28-1 Understanding SNMP 28-1 SNMP Versions 28-2 SNMP Manager Functions 28-3 SNMP Agent Functions 28-4 SNMP Community Strings 28-4 Using SNMP to Access MIB Variables 28-4 SNMP Notifications 28-5 Configuring SNMP 28-5 Default SNMP... Agent Contact and Location Information 28-14 Limiting TFTP Servers Used Through SNMP 28-14 SNMP Examples 28-15 Displaying SNMP Status 28-16 xxii Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10
...-11 Configuring the UNIX System Logging Facility 27-11 Displaying the Logging Configuration 27-13 Configuring SNMP 28-1 Understanding SNMP 28-1 SNMP Versions 28-2 SNMP Manager Functions 28-3 SNMP Agent Functions 28-4 SNMP Community Strings 28-4 Using SNMP to Access MIB Variables 28-4 SNMP Notifications 28-5 Configuring SNMP 28-5 Default SNMP... Agent Contact and Location Information 28-14 Limiting TFTP Servers Used Through SNMP 28-14 SNMP Examples 28-15 Displaying SNMP Status 28-16 xxii Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10
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... notes. • Start-up information-This guide assumes that have experience working with the Cisco IOS and be familiar with other documents for the networking professional managing the Catalyst 2950 and 2955 switches, hereafter referred to configure software features on your switch. For complete syntax and usage information about these topics: • Requirements-This guide assumes...
... notes. • Start-up information-This guide assumes that have experience working with the Cisco IOS and be familiar with other documents for the networking professional managing the Catalyst 2950 and 2955 switches, hereafter referred to configure software features on your switch. For complete syntax and usage information about these topics: • Requirements-This guide assumes...
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... information. For information about the switch, refer to these documents: • Cluster Management Suite (CMS) online help (available only from the telephone numbers listed in the "Obtaining Documentation" section on page xxxi. • Release Notes for the Catalyst 2950 and Catalyst 2955 Switches (not orderable but is available on Cisco.com) Note Switch requirements and procedures for initial...
... information. For information about the switch, refer to these documents: • Cluster Management Suite (CMS) online help (available only from the telephone numbers listed in the "Obtaining Documentation" section on page xxxi. • Release Notes for the Catalyst 2950 and Catalyst 2955 Switches (not orderable but is available on Cisco.com) Note Switch requirements and procedures for initial...
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Overview CH A P T E R 1 This chapter provides these topics about the Catalyst 2950 and Catalyst 2955 switch software: • Features, page 1-1 • Management Options, page 1-8 • Network Configuration Examples, page 1-10 • Where to Go Next, page 1-22 Note In this document, IP refers to IP version 4 (IPv4). ...
Overview CH A P T E R 1 This chapter provides these topics about the Catalyst 2950 and Catalyst 2955 switch software: • Features, page 1-1 • Management Options, page 1-8 • Network Configuration Examples, page 1-10 • Where to Go Next, page 1-22 Note In this document, IP refers to IP version 4 (IPv4). ...
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...support the EI, see Table 1-1, or refer to 16 switches that are not supported by certain Catalyst 2950 LRE switches. Ease of Use and Ease of cluster candidates that can be managed through a web browser, such as Netscape Communicator or ...Management Suite (CMS) software for simplifying switch and switch cluster management through a single IP address. - Table 1-2 LRE Switch and CPE Compatibility Matrix LRE Devices Catalyst 2950ST-8 LRE switch Cisco 575 LRE Yes CPE Cisco 576 LRE 997 No CPE Cisco 585 LRE Yes CPE Catalyst 2950ST-24 LRE switch Yes Catalyst 2950ST-24 LRE 997 switch...
...support the EI, see Table 1-1, or refer to 16 switches that are not supported by certain Catalyst 2950 LRE switches. Ease of Use and Ease of cluster candidates that can be managed through a web browser, such as Netscape Communicator or ...Management Suite (CMS) software for simplifying switch and switch cluster management through a single IP address. - Table 1-2 LRE Switch and CPE Compatibility Matrix LRE Devices Catalyst 2950ST-8 LRE switch Cisco 575 LRE Yes CPE Cisco 576 LRE 997 No CPE Cisco 585 LRE Yes CPE Catalyst 2950ST-24 LRE switch Yes Catalyst 2950ST-24 LRE 997 switch...
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... CNS Agents in your management station directly to the system message logging process Management Options The switch is a network management device that works with CMS." • CLI-The switch Cisco IOS CLI software is running platforms such as CiscoWorks2000 LAN Management Suite (LMS) and ... its various management interfaces. For more information about CMS, see the Chapter 28, "Configuring SNMP." You can configure and monitor the switch-on an individual basis or as Netscape Communicator or Microsoft Internet Explorer. Catalyst 2950 and Catalyst 2955 Switch Software Configuration...
... CNS Agents in your management station directly to the system message logging process Management Options The switch is a network management device that works with CMS." • CLI-The switch Cisco IOS CLI software is running platforms such as CiscoWorks2000 LAN Management Suite (LMS) and ... its various management interfaces. For more information about CMS, see the Chapter 28, "Configuring SNMP." You can configure and monitor the switch-on an individual basis or as Netscape Communicator or Microsoft Internet Explorer. Catalyst 2950 and Catalyst 2955 Switch Software Configuration...
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... this release, select Help > What's New? Understanding CMS CMS provides these sections that describe the Cluster Management Suite (CMS) on the Catalyst 2950 or Catalyst 2955 switch: • "Understanding CMS" section on page 4-1 • "Configuring CMS" section on page 4-7 ...Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 4-1 For more information about cluster configurations and which Catalyst switches can select multiple ports or multiple switches and configure them with CMS This chapter contains these features for managing switch clusters and individual switches...
... this release, select Help > What's New? Understanding CMS CMS provides these sections that describe the Cluster Management Suite (CMS) on the Catalyst 2950 or Catalyst 2955 switch: • "Understanding CMS" section on page 4-1 • "Configuring CMS" section on page 4-7 ...Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 4-1 For more information about cluster configurations and which Catalyst switches can select multiple ports or multiple switches and configure them with CMS This chapter contains these features for managing switch clusters and individual switches...
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... appear to be similar but they are using different Cisco IOS releases and that you can go to the "Displaying CMS" section on page 4-10. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 4-9 Here are not available on these earlier software releases. - Cluster management options are examples of how CMS can use...
... appear to be similar but they are using different Cisco IOS releases and that you can go to the "Displaying CMS" section on page 4-10. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 4-9 Here are not available on these earlier software releases. - Cluster management options are examples of how CMS can use...
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... the switch command reference. Clustering Switches CH A P T E R 7 This chapter provides these other cluster-capable Catalyst switches, but it does not provide complete descriptions of Catalyst switches eligible for switch clustering, including which ones can be command switches and which ones can only be member switches, for the required software versions, and for that switch. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software...
... the switch command reference. Clustering Switches CH A P T E R 7 This chapter provides these other cluster-capable Catalyst switches, but it does not provide complete descriptions of Catalyst switches eligible for switch clustering, including which ones can be command switches and which ones can only be member switches, for the required software versions, and for that switch. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software...
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... as unavailable devices and cannot be connected through the command-switch IP address. Non-LRE Catalyst 2950 member switches running Cisco IOS Release 12.0(5)WC2 or earlier - Catalyst 2900 XL switches with the management VLAN, which by default is through ports assigned to the command-switch management VLAN. 7-16 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 Access Modes in...
... as unavailable devices and cannot be connected through the command-switch IP address. Non-LRE Catalyst 2950 member switches running Cisco IOS Release 12.0(5)WC2 or earlier - Catalyst 2900 XL switches with the management VLAN, which by default is through ports assigned to the command-switch management VLAN. 7-16 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 Access Modes in...
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... CLI to Manage Switch Clusters You can configure member switches from the command-switch CLI: switch# rcommand 3 If you lose connectivity with a member switch or if a command switch fails, see the "Disabling Password Recovery" section on page 9-5. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 7-23 Enter the rcommand user EXEC command and the member switch number to...
... CLI to Manage Switch Clusters You can configure member switches from the command-switch CLI: switch# rcommand 3 If you lose connectivity with a member switch or if a command switch fails, see the "Disabling Password Recovery" section on page 9-5. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 7-23 Enter the rcommand user EXEC command and the member switch number to...
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... an IP address, the command switch redirects traps from the member switch to the management station, as described in the "Configuring SNMP" section on the command switch and propagates them to the member switch. For more information about SNMP and community strings, see Chapter 28, "Configuring SNMP." 7-24 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380...
... an IP address, the command switch redirects traps from the member switch to the management station, as described in the "Configuring SNMP" section on the command switch and propagates them to the member switch. For more information about SNMP and community strings, see Chapter 28, "Configuring SNMP." 7-24 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380...
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Chapter 7 Clustering Switches Using SNMP to Manage Switch Clusters Figure 7-14 SNMP Management for a Cluster SNMP Manager Command switch Trap 1, Trap 2, Trap 3 Trap Trap Member 1 Member 2 Member 3 Trap 33020 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 7-25
Chapter 7 Clustering Switches Using SNMP to Manage Switch Clusters Figure 7-14 SNMP Management for a Cluster SNMP Manager Command switch Trap 1, Trap 2, Trap 3 Trap Trap Member 1 Member 2 Member 3 Trap 33020 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 7-25
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Using SNMP to Manage Switch Clusters Chapter 7 Clustering Switches 7-26 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10
Using SNMP to Manage Switch Clusters Chapter 7 Clustering Switches 7-26 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10
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... you can install and run it. Refer to perform basic switch configuration and monitoring. For more information. • Cisco IOS CLI. You can use a Telnet connection to view switch status and performance information. The device manager page appears. Management Options Catalyst 2950 switches offer these management options: • Network Assistant • The Network Assistant is attached to your network...
... you can install and run it. Refer to perform basic switch configuration and monitoring. For more information. • Cisco IOS CLI. You can use a Telnet connection to view switch status and performance information. The device manager page appears. Management Options Catalyst 2950 switches offer these management options: • Network Assistant • The Network Assistant is attached to your network...