Configuration Guide
Page 1
Catalyst 2950 Desktop Switch Software Configuration Guide Cisco IOS Release 12.1(6)EA2b March, 2002 Corporate Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 526-4100 Customer Order Number: DOC-7811380= Text Part Number: 78-11380-03
Catalyst 2950 Desktop Switch Software Configuration Guide Cisco IOS Release 12.1(6)EA2b March, 2002 Corporate Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 526-4100 Customer Order Number: DOC-7811380= Text Part Number: 78-11380-03
Configuration Guide
Page 2
... other company. (0110R) Catalyst 2950 Desktop Switch Software Configuration Guide Copyright © 2002, Cisco Systems, Inc. Copyright © 1981, Regents of the University of Cisco Systems, Inc.; and Aironet, ASIST, BPX, Catalyst, CCDA, CCDP, CCIE, CCNA, CCNP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, the Cisco IOS logo, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Empowering the...
... other company. (0110R) Catalyst 2950 Desktop Switch Software Configuration Guide Copyright © 2002, Cisco Systems, Inc. Copyright © 1981, Regents of the University of Cisco Systems, Inc.; and Aironet, ASIST, BPX, Catalyst, CCDA, CCDP, CCIE, CCNA, CCNP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, the Cisco IOS logo, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Empowering the...
Configuration Guide
Page 3
... xxi Documentation Feedback xxi Obtaining Technical Assistance xxi Cisco.com xxii Technical Assistance Center xxii Cisco TAC Web Site xxii Cisco TAC Escalation Center xxiii Overview 1-1 Features 1-1 Management Options 1-6 Management Interface Options 1-6 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 1-10...
... xxi Documentation Feedback xxi Obtaining Technical Assistance xxi Cisco.com xxii Technical Assistance Center xxii Cisco TAC Web Site xxii Cisco TAC Escalation Center xxiii Overview 1-1 Features 1-1 Management Options 1-6 Management Interface Options 1-6 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 1-10...
Configuration Guide
Page 4
... 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
... 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
Page 5
...Next 3-10 General Switch Administration 4-1 Basic IP Connectivity to the Switch 4-1 Switch Software Releases 4-2 ...Console Port Access 4-2 Telnet Access to the CLI 4-2 HTTP Access to CMS 4-3 SNMP Network Management Platforms 4-4 SNMP Versions 4-4 Using FTP to Access the MIB Files 4-5 Using SNMP to Access MIB Variables 4-5 Default Settings 4-6 Clustering Switches 5-1 Understanding Switch Clusters 5-2 Command Switch Characteristics 5-2 Standby Command Switch Characteristics 5-3 Candidate and Member Switches Characteristics 5-3 Catalyst 2950 Desktop Switch...
...Next 3-10 General Switch Administration 4-1 Basic IP Connectivity to the Switch 4-1 Switch Software Releases 4-2 ...Console Port Access 4-2 Telnet Access to the CLI 4-2 HTTP Access to CMS 4-3 SNMP Network Management Platforms 4-4 SNMP Versions 4-4 Using FTP to Access the MIB Files 4-5 Using SNMP to Access MIB Variables 4-5 Default Settings 4-6 Clustering Switches 5-1 Understanding Switch Clusters 5-2 Command Switch Characteristics 5-2 Standby Command Switch Characteristics 5-3 Candidate and Member Switches Characteristics 5-3 Catalyst 2950 Desktop Switch...
Configuration Guide
Page 6
... 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 Manage...
... 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 Manage...
Configuration Guide
Page 7
...6-11 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...6-21 Specifying TACACS+ 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...
...6-11 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...6-21 Specifying TACACS+ 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...
Configuration Guide
Page 8
...RADIUS Servers 6-35 Configuring the Switch to Use Vendor-Specific RADIUS Attributes 6-35 Configuring the Switch for Vendor-Proprietary RADIUS Server ...7-7 Enabling 802.1X Authentication 7-8 Configuring the Switch-to-RADIUS-Server Communication 7-9 Enabling Periodic Re-Authentication 7-10... 7-11 Changing the Switch-to-Client Retransmission Time 7-12 Setting the Switch-to-Client Frame-Retransmission...Configuring 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...
...RADIUS Servers 6-35 Configuring the Switch to Use Vendor-Specific RADIUS Attributes 6-35 Configuring the Switch for Vendor-Proprietary RADIUS Server ...7-7 Enabling 802.1X Authentication 7-8 Configuring the Switch-to-RADIUS-Server Communication 7-9 Enabling Periodic Re-Authentication 7-10... 7-11 Changing the Switch-to-Client Retransmission Time 7-12 Setting the Switch-to-Client Frame-Retransmission...Configuring 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...
Configuration Guide
Page 31
You can 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 can join a cluster. Port ...Advantages of globally setting and managing multiple ports and switches: - For more information about using switch clusters and CMS, you can: • Manage and monitor interconnected Catalyst switches (refer to the release notes for a list of supported switches), regardless of a switch or multiple switches from the LEDs on page 4-4. NTP, STP,...
You can 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 can join a cluster. Port ...Advantages of globally setting and managing multiple ports and switches: - For more information about using switch clusters and CMS, you can: • Manage and monitor interconnected Catalyst switches (refer to the release notes for a list of supported switches), regardless of a switch or multiple switches from the LEDs on page 4-4. NTP, STP,...
Configuration Guide
Page 33
...EtherChannel, or Gigabit EtherChannel links. You can create backup paths between the switches and network resources. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 1-9 Using the required Cisco proprietary signaling and cabling, the GigaStack GBIC-to-GigaStack GBIC connection cannot exceed.... To enhance network reliability and load balancing for creating a 1-Gbps stack configuration of Catalyst 2950-48 switches, you use Gigabit modules to connect the switches directly to create a GigaStack loopback, and enable cross-stack UplinkFast on the cross-stack...
...EtherChannel, or Gigabit EtherChannel links. You can create backup paths between the switches and network resources. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 1-9 Using the required Cisco proprietary signaling and cabling, the GigaStack GBIC-to-GigaStack GBIC connection cannot exceed.... To enhance network reliability and load balancing for creating a 1-Gbps stack configuration of Catalyst 2950-48 switches, you use Gigabit modules to connect the switches directly to create a GigaStack loopback, and enable cross-stack UplinkFast on the cross-stack...
Configuration Guide
Page 36
... per wiring closet. Using Cisco IP Phones, Cisco CallManager software, and Cisco SoftPhone software integrates telephony and IP networks, and the IP network supports both voice and data. The IP phone can use a Catalyst 3550-12T-L3 switch, as shown, or a Catalyst 3508G XL switch to create a Gigabit backbone... Cisco IP Phones are created by clustering all segments and subnetworks to a single device, such as a Gigabit switch, that serves as shown, or into well-defined broadcast groups and for security management. Each 10/100 inline-power port on the Catalyst 3524-PWR XL switches provides -48...
... per wiring closet. Using Cisco IP Phones, Cisco CallManager software, and Cisco SoftPhone software integrates telephony and IP networks, and the IP network supports both voice and data. The IP phone can use a Catalyst 3550-12T-L3 switch, as shown, or a Catalyst 3508G XL switch to create a Gigabit backbone... Cisco IP Phones are created by clustering all segments and subnetworks to a single device, such as a Gigabit switch, that serves as shown, or into well-defined broadcast groups and for security management. Each 10/100 inline-power port on the Catalyst 3524-PWR XL switches provides -48...
Configuration Guide
Page 39
... for using CMS, refer to the release notes. • For procedures for descriptions of the Catalyst 2950 switches. CH A P T E R 2 Getting Started with CMS This chapter provides these topics about the Cluster Management Suite (CMS) software: • Features, page 2-2 • Front Panel View, page 2-4 ... plug-in configuration procedures, refer to the online help. Note This chapter describes the CMS interface of the web-based management software used on other Catalyst switches. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 2-1
... for using CMS, refer to the release notes. • For procedures for descriptions of the Catalyst 2950 switches. CH A P T E R 2 Getting Started with CMS This chapter provides these topics about the Cluster Management Suite (CMS) software: • Features, page 2-2 • Front Panel View, page 2-4 ... plug-in configuration procedures, refer to the online help. Note This chapter describes the CMS interface of the web-based management software used on other Catalyst switches. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 2-1
Configuration Guide
Page 40
... devices that are not eligible to as Device Manager (also referred to join a cluster, and link types. You can vary between the Catalyst switch platforms. - Wizards that require minimal information from you can be displayed at the same time: - From this view, you to run ...that provides high-level concepts and procedures for performing tasks from the window Catalyst 2950 Desktop Switch Software Configuration Guide 2-2 78-11380-03 The Front Panel view displays the front-panel image of a specific switch or the front-panel images of some complex features - The device popup ...
... devices that are not eligible to as Device Manager (also referred to join a cluster, and link types. You can vary between the Catalyst switch platforms. - Wizards that require minimal information from you can be displayed at the same time: - From this view, you to run ...that provides high-level concepts and procedures for performing tasks from the window Catalyst 2950 Desktop Switch Software Configuration Guide 2-2 78-11380-03 The Front Panel view displays the front-panel image of a specific switch or the front-panel images of some complex features - The device popup ...
Configuration Guide
Page 53
..., and the Front-Panel and Topology view popup menus. Refer to the release notes for the Catalyst switches that can vary: • The option for enabling a command switch is only available from a CMS session launched from a command-capable switch. • Cluster management tasks, such as upgrading the software of groups of an option based...
..., and the Front-Panel and Topology view popup menus. Refer to the release notes for the Catalyst switches that can vary: • The option for enabling a command switch is only available from a CMS session launched from a command-capable switch. • Cluster management tasks, such as upgrading the software of groups of an option based...
Configuration Guide
Page 71
...of CMS Using Different Versions of CMS When managing switch clusters through CMS, remember that clusters can differ between IOS releases and switch platforms: • On Catalyst switches running Cisco IOS Release 12.0(5)WC2 or earlier or Cisco IOS Release 12.1(6)EA1 or earlier, the CMS versions... in those earlier software releases. • CMS on these switches. This is the earliest version of...
...of CMS Using Different Versions of CMS When managing switch clusters through CMS, remember that clusters can differ between IOS releases and switch platforms: • On Catalyst switches running Cisco IOS Release 12.0(5)WC2 or earlier or Cisco IOS Release 12.1(6)EA1 or earlier, the CMS versions... in those earlier software releases. • CMS on these switches. This is the earliest version of...
Configuration Guide
Page 95
... 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, and for clusters mixed with switch clustering: • Understanding Switch Clusters, page 5-2 • Planning a Switch Cluster, page 5-4 • Creating a Switch Cluster, page 5-16 • Using...
... 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, and for clusters mixed with switch clustering: • Understanding Switch Clusters, page 5-2 • Planning a Switch Cluster, page 5-4 • Creating a Switch Cluster, page 5-16 • Using...
Configuration Guide
Page 96
... on page 1-7. Understanding Switch Clusters Chapter 5 Clustering Switches Understanding Switch Clusters A switch cluster is a group of connected Catalyst switches that are managed as the command switch. Cluster members are not usually used to the standby command switches and member switches through the command switch IP address. In a switch cluster, 1 switch must meet these requirements: • It is running Cisco IOS Release 12.0(5.2)WC...
... on page 1-7. Understanding Switch Clusters Chapter 5 Clustering Switches Understanding Switch Clusters A switch cluster is a group of connected Catalyst switches that are managed as the command switch. Cluster members are not usually used to the standby command switches and member switches through the command switch IP address. In a switch cluster, 1 switch must meet these requirements: • It is running Cisco IOS Release 12.0(5.2)WC...
Configuration Guide
Page 98
...• Availability of Switch-Specific Features in Switch Clusters, page 5-16 Refer to the release notes for the list of Catalyst switches eligible for switch clustering, including which ones can be command switches and which ones can only be member switches, and for the ...required software versions and browser and Java plug-in star or cascaded topologies. Automatic Discovery of Cluster Candidates and Members The command switch uses Cisco...
...• Availability of Switch-Specific Features in Switch Clusters, page 5-16 Refer to the release notes for the list of Catalyst switches eligible for switch clustering, including which ones can be command switches and which ones can only be member switches, and for the ...required software versions and browser and Java plug-in star or cascaded topologies. Automatic Discovery of Cluster Candidates and Members The command switch uses Cisco...
Configuration Guide
Page 111
... be the command switch: • If your switch cluster has a Catalyst 3550 switch, that switch should be the command switch. • If your switch cluster has Catalyst 2900 XL, Catalyst 2950, and Catalyst 3500 XL switches, the Catalyst 2950 should be the command switch. • If your switch cluster has Catalyst 1900, Catalyst 2820, Catalyst 2900 XL, and Catalyst 3500 XL switches, either the Catalyst 2900 XL or Catalyst 3500 XL...
... be the command switch: • If your switch cluster has a Catalyst 3550 switch, that switch should be the command switch. • If your switch cluster has Catalyst 2900 XL, Catalyst 2950, and Catalyst 3500 XL switches, the Catalyst 2950 should be the command switch. • If your switch cluster has Catalyst 1900, Catalyst 2820, Catalyst 2900 XL, and Catalyst 3500 XL switches, either the Catalyst 2900 XL or Catalyst 3500 XL...
Configuration Guide
Page 287
...more than four different masks are defined by QoS and security. If you can be defined for Security and QoS Configurations." 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 12-5 However, there are allowed in security ACLs. For more information on error messages, see the "Understanding Access Control Parameters... any or deny udp any any cannot precede a Layer 3 user-defined mask such as differences for Configuring ACLs on page 12-4. All other Cisco Catalyst switches. Chapter 12 Configuring Network Security with a destination TCP port number of 80.
...more than four different masks are defined by QoS and security. If you can be defined for Security and QoS Configurations." 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 12-5 However, there are allowed in security ACLs. For more information on error messages, see the "Understanding Access Control Parameters... any or deny udp any any cannot precede a Layer 3 user-defined mask such as differences for Configuring ACLs on page 12-4. All other Cisco Catalyst switches. Chapter 12 Configuring Network Security with a destination TCP port number of 80.