Configuration Guide
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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
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... Berkeley (UCB) as part of UCB's public domain version of Cisco Systems, Inc.; All other company. (0110R) Catalyst 2950 Desktop Switch Software Configuration Guide Copyright © 2002, Cisco Systems, Inc. All rights reserved. USERS MUST TAKE FULL RESPONSIBILITY... HEREIN BY THIS REFERENCE. 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 Internet Generation, Enterprise/Solver, EtherChannel...
... Berkeley (UCB) as part of UCB's public domain version of Cisco Systems, Inc.; All other company. (0110R) Catalyst 2950 Desktop Switch Software Configuration Guide Copyright © 2002, Cisco Systems, Inc. All rights reserved. USERS MUST TAKE FULL RESPONSIBILITY... HEREIN BY THIS REFERENCE. 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 Internet Generation, Enterprise/Solver, EtherChannel...
Configuration Guide
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... 78-11380-03 Using the Command-Line Interface 3-1 IOS Command Modes 3-1 Getting Help 3-3 Abbreviating Commands 3-3 ...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...
... 78-11380-03 Using the Command-Line Interface 3-1 IOS Command Modes 3-1 Getting Help 3-3 Abbreviating Commands 3-3 ...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...
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...) procedures. Note This guide does not repeat the concepts and CLI procedures provided in the Catalyst 2950 Desktop Switch Command Reference. Organization The organization of show and more commands. therefore, CLI procedures are described in the standard Cisco IOS Release 12.1 documentation. Chapter 6, "Configuring the System," provides the considerations and CLI procedures for configuring...
...) procedures. Note This guide does not repeat the concepts and CLI procedures provided in the Catalyst 2950 Desktop Switch Command Reference. Organization The organization of show and more commands. therefore, CLI procedures are described in the standard Cisco IOS Release 12.1 documentation. Chapter 6, "Configuring the System," provides the considerations and CLI procedures for configuring...
Configuration Guide
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... and MVR," provides the considerations and CLI procedures for configuring quality of traffic. It describes how to apply ACLs to the IOS software. Conventions This guide uses these conventions to certain types of service (QoS). Chapter 12, "Configuring Network Security with ACLs...in boldface text. • Arguments for configuring security using access control lists (ACLs). With this manual. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide xix Interactive examples use these conventions: • Terminal sessions and system displays are in screen font. ...
... and MVR," provides the considerations and CLI procedures for configuring quality of traffic. It describes how to apply ACLs to the IOS software. Conventions This guide uses these conventions to certain types of service (QoS). Chapter 12, "Configuring Network Security with ACLs...in boldface text. • Arguments for configuring security using access control lists (ACLs). With this manual. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide xix Interactive examples use these conventions: • Terminal sessions and system displays are in screen font. ...
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... the features available for the Catalyst 2950 Cisco IOS Release 12.1(6)EA2b. Table 1-1 describes the features supported in the Release Notes for this release. It also includes references to where you have the enhanced software image installed on page 4-7 lists the defaults for a list of the Catalyst 2950 switches in different network topologies Features The...
... the features available for the Catalyst 2950 Cisco IOS Release 12.1(6)EA2b. Table 1-1 describes the features supported in the Release Notes for this release. It also includes references to where you have the enhanced software image installed on page 4-7 lists the defaults for a list of the Catalyst 2950 switches in different network topologies Features The...
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... broadcast storm control for preventing faulty end stations from degrading overall system performance with CMS for mini-jumbo frames. The Catalyst 2950 switches running Cisco IOS Release12.1(6)EA2 or later support frame sizes 1500 to the release notes for the CMS, cluster hardware, software, and ...browser requirements. Automatic discovery of candidate switches and creation of clusters of up to 2 Gbps of cluster candidates that can be managed ...
... broadcast storm control for preventing faulty end stations from degrading overall system performance with CMS for mini-jumbo frames. The Catalyst 2950 switches running Cisco IOS Release12.1(6)EA2 or later support frame sizes 1500 to the release notes for the CMS, cluster hardware, software, and ...browser requirements. Automatic discovery of candidate switches and creation of clusters of up to 2 Gbps of cluster candidates that can be managed ...
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... Started with CMS." • CLI-The switch IOS CLI software is already installed on a switch running the enhanced software image. If you have specific network needs, you only need to assign basic IP information to the switch and connect it to the other devices in... Options You can configure and monitor individual switches and switch clusters by using these interfaces: • CMS-CMS is available only on the switch. Catalyst 2950 Desktop Switch Software Configuration Guide 1-6 78-11380-03 Management Options The Catalyst 2950 switches are designed for complete traffic monitoring on ...
... Started with CMS." • CLI-The switch IOS CLI software is already installed on a switch running the enhanced software image. If you have specific network needs, you only need to assign basic IP information to the switch and connect it to the other devices in... Options You can configure and monitor individual switches and switch clusters by using these interfaces: • CMS-CMS is available only on the switch. Catalyst 2950 Desktop Switch Software Configuration Guide 1-6 78-11380-03 Management Options The Catalyst 2950 switches are designed for complete traffic monitoring on ...
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... from CMS. View the way the CMS window or help file. Change the baud rate for the cluster or a switch. Catalyst 2950 member switches running Cisco IOS Release 12.1(6)EA1 or earlier For more information about this limitation, refer to open at startup, and the color of static... and Toolbar Chapter 2 Getting Started with CMS • If your cluster has these member switches running earlier software releases and if you select a configuration option. Catalyst 2950 member switches running Cisco IOS Release 12.0(5)WC2 or earlier - Select which interaction mode to use when you have read-only...
... from CMS. View the way the CMS window or help file. Change the baud rate for the cluster or a switch. Catalyst 2950 member switches running Cisco IOS Release 12.1(6)EA1 or earlier For more information about this limitation, refer to open at startup, and the color of static... and Toolbar Chapter 2 Getting Started with CMS • If your cluster has these member switches running earlier software releases and if you select a configuration option. Catalyst 2950 member switches running Cisco IOS Release 12.0(5)WC2 or earlier - Select which interaction mode to use when you have read-only...
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... Messages Task Display and configure port parameters on a port. Display a graph showing the bandwidth being used for a port through its description. If one device is a Catalyst 2950 switch running Cisco IOS Release 12.1(6)EA2 or later. Display masks for two connected devices. You can display the system messages of the...
... Messages Task Display and configure port parameters on a port. Display a graph showing the bandwidth being used for a port through its description. If one device is a Catalyst 2950 switch running Cisco IOS Release 12.1(6)EA2 or later. Display masks for two connected devices. You can display the system messages of the...
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... not available on Catalyst 2950 switches running Cisco IOS Release 12.1(6)EA2 and later. Table 2-16 Device Popup Menu of a switch. Bandwidth Graphs Display graphs that plot the total bandwidth in use by the switch. Not available in read -write access modes, see the "Access Modes in CMS" section on Catalyst 2950 switches running Cisco IOS Release 12.0(5)WC2 and...
... not available on Catalyst 2950 switches running Cisco IOS Release 12.1(6)EA2 and later. Table 2-16 Device Popup Menu of a switch. Bandwidth Graphs Display graphs that plot the total bandwidth in use by the switch. Not available in read -write access modes, see the "Access Modes in CMS" section on Catalyst 2950 switches running Cisco IOS Release 12.0(5)WC2 and...
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... read -write access. Note • If your cluster has these switches appear as unavailable devices and cannot be configured from CMS. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 2-31 Catalyst 2950 member switches running Cisco IOS Release 12.0(5)WC2 or earlier - Catalyst 1900 and Catalyst 2820 - Entering zero denies access to CMS. For more information about...
... read -write access. Note • If your cluster has these switches appear as unavailable devices and cannot be configured from CMS. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 2-31 Catalyst 2950 member switches running Cisco IOS Release 12.0(5)WC2 or earlier - Catalyst 1900 and Catalyst 2820 - Entering zero denies access to CMS. For more information about...
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... Started with CMS Using Different Versions 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. •...
... Started with CMS Using Different Versions 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. •...
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... CLI, page 3-9 IOS Command Modes The Cisco IOS user interface is divided into many different modes. To have access to obtain a list of the commands are currently in the table use to exit the mode. From global configuration mode, you can use the host name switch. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide...
... CLI, page 3-9 IOS Command Modes The Cisco IOS user interface is divided into many different modes. To have access to obtain a list of the commands are currently in the table use to exit the mode. From global configuration mode, you can use the host name switch. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide...
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...EXEC mode, enter exit or end, or press Ctrl-Z. While in user EXEC Switch# mode, enter the enable command. Use this mode. Catalyst 2950 Desktop Switch Software Configuration Guide 3-2 78-11380-03 Switch(config-if)# While in global configuration mode, specify a line with a specific ...global configuration mode, enter exit. Use this mode to verify commands that apply to configure parameters for the Ethernet interfaces. IOS Command Modes Chapter 3 Using the Command-Line Interface Table 3-1 Command Mode Summary Mode User EXEC Privileged EXEC VLAN configuration ...
...EXEC mode, enter exit or end, or press Ctrl-Z. While in user EXEC Switch# mode, enter the enable command. Use this mode. Catalyst 2950 Desktop Switch Software Configuration Guide 3-2 78-11380-03 Switch(config-if)# While in global configuration mode, specify a line with a specific ...global configuration mode, enter exit. Use this mode to verify commands that apply to configure parameters for the Ethernet interfaces. IOS Command Modes Chapter 3 Using the Command-Line Interface Table 3-1 Command Mode Summary Mode User EXEC Privileged EXEC VLAN configuration ...
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...current terminal session, enter the terminal no history line configuration command. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 3-5 To disable the feature during the current terminal session: Switch> terminal history [size number-of-lines] The range is particularly useful for all ...older commands. Press Ctrl-N or the down arrow key. Chapter 3 Using the Command-Line Interface Using Command History Using Command History The IOS provides a history or record of commands that you just entered. 1. Recalling Commands To recall commands from 0 to 256. The arrow ...
...current terminal session, enter the terminal no history line configuration command. 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 3-5 To disable the feature during the current terminal session: Switch> terminal history [size number-of-lines] The range is particularly useful for all ...older commands. Press Ctrl-N or the down arrow key. Chapter 3 Using the Command-Line Interface Using Command History Using Command History The IOS provides a history or record of commands that you just entered. 1. Recalling Commands To recall commands from 0 to 256. The arrow ...
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... show command always displays the running configuration. The configuration is not required to the IOS documentation set available from the Cisco IOS Software drop-down list. 3-10 Catalyst 2950 Desktop Switch Software Configuration Guide 78-11380-03 Refer to the Catalyst 2950 Desktop Switch Command Reference for all configuration changes to Flash memory, you make sure that...
... show command always displays the running configuration. The configuration is not required to the IOS documentation set available from the Cisco IOS Software drop-down list. 3-10 Catalyst 2950 Desktop Switch Software Configuration Guide 78-11380-03 Refer to the Catalyst 2950 Desktop Switch Command Reference for all configuration changes to Flash memory, you make sure that...
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...IOS Release 12.1 commands, refer to the IOS documentation set available from the Cisco IOS Software drop-down list. The switch also requires a secret password. On the Cisco Product Documentation home page, select Release 12.1 from the Cisco...to configure and manage the switch. Basic IP Connectivity to the Switch The switch uses IP address information to... General Switch Administration This chapter provides these switch administration topics: • Basic IP connectivity to the switch • Switch software releases...for information about starting up the switch: • Software and hardware ...
...IOS Release 12.1 commands, refer to the IOS documentation set available from the Cisco IOS Software drop-down list. The switch also requires a secret password. On the Cisco Product Documentation home page, select Release 12.1 from the Cisco...to configure and manage the switch. Basic IP Connectivity to the Switch The switch uses IP address information to... General Switch Administration This chapter provides these switch administration topics: • Basic IP connectivity to the switch • Switch software releases...for information about starting up the switch: • Software and hardware ...
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...Switch Administration • Configuring your web browser • Displaying the Cisco Systems Access page You can configure these features: - CiscoWorks2000 and CiscoView 5.0 are alarms, events, history, and statistics. The switch...your switch by using SNMP, note that you can manage switches by an IP address access control list and password. Catalyst 2950 Desktop Switch Software...port features create configuration conflicts. It provides this IOS software release supports. For information about managing cluster switches through 1907. - SNMP Network Management Platforms You ...
...Switch Administration • Configuring your web browser • Displaying the Cisco Systems Access page You can configure these features: - CiscoWorks2000 and CiscoView 5.0 are alarms, events, history, and statistics. The switch...your switch by using SNMP, note that you can manage switches by an IP address access control list and password. Catalyst 2950 Desktop Switch Software...port features create configuration conflicts. It provides this IOS software release supports. For information about managing cluster switches through 1907. - SNMP Network Management Platforms You ...
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... for Cisco IOS Release 12.1 on Cisco.com. Dynamic Host Configuration Protocol (DHCP) DHCP client "Using DHCP-Based Autoconfiguration" - VLAN > Management VLAN 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 4-7 cluster session) from a No CLI procedure. "Creating a Switch Cluster" section on Cisco.com. For the cluster commands, command-capable switch refer to the Catalyst 2950 Desktop Switch Command...
... for Cisco IOS Release 12.1 on Cisco.com. Dynamic Host Configuration Protocol (DHCP) DHCP client "Using DHCP-Based Autoconfiguration" - VLAN > Management VLAN 78-11380-03 Catalyst 2950 Desktop Switch Software Configuration Guide 4-7 cluster session) from a No CLI procedure. "Creating a Switch Cluster" section on Cisco.com. For the cluster commands, command-capable switch refer to the Catalyst 2950 Desktop Switch Command...