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Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide Cisco IOS Release 12.1(20)EA2 May 2004 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: 78-11380-10
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide Cisco IOS Release 12.1(20)EA2 May 2004 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: 78-11380-10
Software Configuration Guide
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..., USAGE, OR TRADE PRACTICE. 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, ... mentioned in the United States and certain other company. (0403R) Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide Copyright © 2001-2004 Cisco Systems, Inc. The Cisco implementation of TCP header compression is an adaptation of a program developed...
..., USAGE, OR TRADE PRACTICE. 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, ... mentioned in the United States and certain other company. (0403R) Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide Copyright © 2001-2004 Cisco Systems, Inc. The Cisco implementation of TCP header compression is an adaptation of a program developed...
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Contents 2 C H A P T E R 3 C H A P T E R Using the Command-Line Interface 2-1 Cisco IOS Command Modes 2-1 Getting Help 2-3 Abbreviating Commands 2-4 Using no and default Forms of Commands 2-4 Understanding CLI Messages 2-5 Using ... Options 3-5 Configuring the Switch Temperature Alarms 3-6 Setting a Secondary Temperature Threshold for the Switch 3-6 Associating the Temperature Alarms to a Relay 3-7 Configuring the FCS Bit Error Rate Alarm 3-7 Setting the FCS Error Threshold 3-8 Setting the FCS Error Hysteresis Threshold 3-8 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide iv...
Contents 2 C H A P T E R 3 C H A P T E R Using the Command-Line Interface 2-1 Cisco IOS Command Modes 2-1 Getting Help 2-3 Abbreviating Commands 2-4 Using no and default Forms of Commands 2-4 Understanding CLI Messages 2-5 Using ... Options 3-5 Configuring the Switch Temperature Alarms 3-6 Setting a Secondary Temperature Threshold for the Switch 3-6 Associating the Temperature Alarms to a Relay 3-7 Configuring the FCS Bit Error Rate Alarm 3-7 Setting the FCS Error Threshold 3-8 Setting the FCS Error Hysteresis Threshold 3-8 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide iv...
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...-22 Using the crashinfo File 32-23 A A P P E N D I X Supported MIBs A-1 MIB List A-1 Using FTP to Access the MIB Files A-3 B A P P E N D I X Working with the Cisco IOS File System, Configuration Files, and Software Images B-1 Working with the Flash File System B-1 Displaying Available File Systems B-2 Setting the Default File System B-3 Displaying Information about... File By Using TFTP B-11 Downloading the Configuration File By Using TFTP B-11 Uploading the Configuration File By Using TFTP B-12 xxvi Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10
...-22 Using the crashinfo File 32-23 A A P P E N D I X Supported MIBs A-1 MIB List A-1 Using FTP to Access the MIB Files A-3 B A P P E N D I X Working with the Cisco IOS File System, Configuration Files, and Software Images B-1 Working with the Flash File System B-1 Displaying Available File Systems B-2 Setting the Default File System B-3 Displaying Information about... File By Using TFTP B-11 Downloading the Configuration File By Using TFTP B-11 Uploading the Configuration File By Using TFTP B-12 xxvi Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10
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...this guide does not provide the command-line interface (CLI) procedures. The Catalyst 2955 and Catalyst 2950 Long-Reach Ethernet (LRE) switches are described in Chapter 3, "Configuring Catalyst 2955 Switch Alarms." Because configuring switch clusters is supported by either the standard software image (SI) or the ...: • Requirements-This guide assumes that you have experience working with the Cisco IOS and be familiar with other documents for the Secure Shell Protocol (SSP). The Catalyst 2955 switch also supports an additional set of features, including access control lists (ACLs), ...
...this guide does not provide the command-line interface (CLI) procedures. The Catalyst 2955 and Catalyst 2950 Long-Reach Ethernet (LRE) switches are described in Chapter 3, "Configuring Catalyst 2955 Switch Alarms." Because configuring switch clusters is supported by either the standard software image (SI) or the ...: • Requirements-This guide assumes that you have experience working with the Cisco IOS and be familiar with other documents for the Secure Shell Protocol (SSP). The Catalyst 2955 switch also supports an additional set of features, including access control lists (ACLs), ...
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... in the standard Cisco IOS Release 12.1 documentation. For information about the standard Cisco IOS Release 12.1 commands, refer to the hardware installation guide. Conventions This publication uses these commands, refer to install your switch. Notes, cautions, and timesavers use these conventions: • Commands and keywords are in angle brackets (< >). Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide...
... in the standard Cisco IOS Release 12.1 documentation. For information about the standard Cisco IOS Release 12.1 commands, refer to the hardware installation guide. Conventions This publication uses these commands, refer to install your switch. Notes, cautions, and timesavers use these conventions: • Commands and keywords are in angle brackets (< >). Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide...
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... the Chapter 4, "Getting Started with IP address information and a configuration file that it receives during DHCP-based autoconfiguration Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 1-3 Performance • Autosensing of speed on the 10/100 and 10/100/1000 ports and autonegotiation... 2950G-24-EI-DC, and 2950G-48-EI switches running Cisco IOS Release 12.1(6)EA2 or later - Catalyst 2955 switches • Port blocking on forwarding unknown unicast and multicast traffic (available only on the Catalyst LRE switches and on the Catalyst 2950G-12-EI, 2950G-24-EI, 2950G-24...
... the Chapter 4, "Getting Started with IP address information and a configuration file that it receives during DHCP-based autoconfiguration Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 1-3 Performance • Autosensing of speed on the 10/100 and 10/100/1000 ports and autonegotiation... 2950G-24-EI-DC, and 2950G-48-EI switches running Cisco IOS Release 12.1(6)EA2 or later - Catalyst 2955 switches • Port blocking on forwarding unknown unicast and multicast traffic (available only on the Catalyst LRE switches and on the Catalyst 2950G-12-EI, 2950G-24-EI, 2950G-24...
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... either by connecting your management station directly to monitor and control the switch and switch cluster members. The switch supports a comprehensive set of MIB extensions and four RMON groups. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 1-8 78-11380-10 For more information about using ...section discusses these interfaces: • CMS-CMS is a graphical user interface that works with CMS." • CLI-The switch Cisco IOS CLI software is enhanced to the other devices in your network. Management Options Chapter 1 Overview • Upstream power back-...
... either by connecting your management station directly to monitor and control the switch and switch cluster members. The switch supports a comprehensive set of MIB extensions and four RMON groups. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 1-8 78-11380-10 For more information about using ...section discusses these interfaces: • CMS-CMS is a graphical user interface that works with CMS." • CLI-The switch Cisco IOS CLI software is enhanced to the other devices in your network. Management Options Chapter 1 Overview • Upstream power back-...
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... modes, you must enter privileged EXEC mode. When you start at the system prompt to configure your Catalyst 2950 and Catalyst 2955 switches. For example, most of the commands are one-time commands, such as show commands, which show ...and more Commands, page 2-9 • Accessing the CLI, page 2-9 Cisco IOS Command Modes The user interface is divided into many different modes. CH A P T E R 2 Using the Command-Line Interface This chapter describes the Cisco IOS...
... modes, you must enter privileged EXEC mode. When you start at the system prompt to configure your Catalyst 2950 and Catalyst 2955 switches. For example, most of the commands are one-time commands, such as show commands, which show ...and more Commands, page 2-9 • Accessing the CLI, page 2-9 Cisco IOS Command Modes The user interface is divided into many different modes. CH A P T E R 2 Using the Command-Line Interface This chapter describes the Cisco IOS...
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... commands that mode, and how to exit the mode. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 2-2 78-11380-10 While in user EXEC Switch# mode, enter the enable command. Use this mode to configure VLAN parameters. Switch(vlan)# Exit Method About This Mode Enter logout or quit... mode, enter the exit command. The examples in the table use the host name Switch. Use this mode to configure VLAN parameters for VLANs 1 to 1005 in the VLAN database. Cisco IOS Command Modes Chapter 2 Using the Command-Line Interface Table 2-1 describes the main command modes...
... commands that mode, and how to exit the mode. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 2-2 78-11380-10 While in user EXEC Switch# mode, enter the enable command. Use this mode to configure VLAN parameters. Switch(vlan)# Exit Method About This Mode Enter logout or quit... mode, enter the exit command. The examples in the table use the host name Switch. Use this mode to configure VLAN parameters for VLANs 1 to 1005 in the VLAN database. Cisco IOS Command Modes Chapter 2 Using the Command-Line Interface Table 2-1 describes the main command modes...
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... See the "Configuring the FCS Bit Error Rate Alarm" section on configuring the relays. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 3-3 You can be configured to send a fault signal to an external alarm device, ...Switch Alarms Understanding Catalyst 2955 Switch Alarms Port Status Monitoring Alarms The Catalyst 2955 switch can also use alarm profiles to set the FCS bit error rate by alarms for this alarm is error condition, level 3. Each fault condition is assigned a severity level based on the Cisco IOS System Error Message Severity Level. The switch...
... See the "Configuring the FCS Bit Error Rate Alarm" section on configuring the relays. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 3-3 You can be configured to send a fault signal to an external alarm device, ...Switch Alarms Understanding Catalyst 2955 Switch Alarms Port Status Monitoring Alarms The Catalyst 2955 switch can also use alarm profiles to set the FCS bit error rate by alarms for this alarm is error condition, level 3. Each fault condition is assigned a severity level based on the Cisco IOS System Error Message Severity Level. The switch...
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.... Configuring CMS This section contains these topics that describe the requirements and configuration information for those switches display incomplete information: • Catalyst 2900 XL or Catalyst 3500 XL member switches running Cisco IOS Release 12.0(5)WC2 or earlier • Catalyst 2950 member switches running Cisco IOS Release 12.0(5)WC2 or earlier For more information about this URL: http://ip_address/level/13...
.... Configuring CMS This section contains these topics that describe the requirements and configuration information for those switches display incomplete information: • Catalyst 2900 XL or Catalyst 3500 XL member switches running Cisco IOS Release 12.0(5)WC2 or earlier • Catalyst 2950 member switches running Cisco IOS Release 12.0(5)WC2 or earlier For more information about this URL: http://ip_address/level/13...
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... the "Displaying CMS" section on page 4-10. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 4-9 If you can differ between Cisco IOS releases and switch platforms: • The CMS versions in these software releases might look and function differently from CMS in this Cisco IOS release. The plug-in is not registered with your web...
... the "Displaying CMS" section on page 4-10. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 4-9 If you can differ between Cisco IOS releases and switch platforms: • The CMS versions in these software releases might look and function differently from CMS in this Cisco IOS release. The plug-in is not registered with your web...
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... physical memory is mapped, its quantity, its speed, and so forth. • Performs power-on the Catalyst 2950 Long-Reach Ethernet (LRE) switches. It also describes how to follow the procedures in this release and the Cisco IOS IP and IP Routing Command Reference, Release 12.1. It initializes the CPU registers, which performs these sections...
... physical memory is mapped, its quantity, its speed, and so forth. • Performs power-on the Catalyst 2950 Long-Reach Ethernet (LRE) switches. It also describes how to follow the procedures in this release and the Cisco IOS IP and IP Routing Command Reference, Release 12.1. It initializes the CPU registers, which performs these sections...
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...)-based setup program, through a DHCP server, or manually by using the CLI. Note The Catalyst 2955 switches do not support Express Setup. Non-LRE Catalyst 2950 switches running a release prior to Cisco IOS Release 12.1(14)EA1 and Catalyst 2950 LRE switches running a release prior to Cisco IOS Release 12.1(19)EA1 do not connect any devices to be used only to...
...)-based setup program, through a DHCP server, or manually by using the CLI. Note The Catalyst 2955 switches do not support Express Setup. Non-LRE Catalyst 2950 switches running a release prior to Cisco IOS Release 12.1(14)EA1 and Catalyst 2950 LRE switches running a release prior to Cisco IOS Release 12.1(19)EA1 do not connect any devices to be used only to...
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... describe how to be used by the switch hardware address. Note The DHCP server feature is a Cisco device, or if you are enabled on Catalyst 2955 switches. By default, the Cisco IOS DHCP server and relay agent features are ...configuring a device as a DHCP server, refer to the "IP Addressing and Services" section in responding to the DHCPOFFER message (the DHCP server assigned the parameters to each switch by the switch) (required) 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch...
... describe how to be used by the switch hardware address. Note The DHCP server feature is a Cisco device, or if you are enabled on Catalyst 2955 switches. By default, the Cisco IOS DHCP server and relay agent features are ...configuring a device as a DHCP server, refer to the "IP Addressing and Services" section in responding to the DHCPOFFER message (the DHCP server assigned the parameters to each switch by the switch) (required) 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch...
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...about alternative locations from which to copy the configuration file on the Catalyst 2950 LRE switches, see Chapter 8, "Administering the Switch." It contains this command, refer to the Cisco IOS Configuration Fundamental Command Reference for Release 12.1. To store the configuration ...Controlling Environment Variables, page 5-14 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-11 To remove the switch IP address, use the no ip address interface configuration command. Chapter 5 Assigning the Switch IP Address and Default Gateway Checking and Saving the...
...about alternative locations from which to copy the configuration file on the Catalyst 2950 LRE switches, see Chapter 8, "Administering the Switch." It contains this command, refer to the Cisco IOS Configuration Fundamental Command Reference for Release 12.1. To store the configuration ...Controlling Environment Variables, page 5-14 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-11 To remove the switch IP address, use the no ip address interface configuration command. Chapter 5 Assigning the Switch IP Address and Default Gateway Checking and Saving the...
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...system software image Configuration file Default Setting The switch attempts to automatically boot the system using the DHCP-based autoconfiguration feature. Specifying the Filename to Read and Write the System Configuration By default, the Cisco IOS software uses the file config.text to ..., depth-first search throughout the flash file system. If the variable is stored in the configuration file. 5-12 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 For more information, see the "Understanding DHCP-Based Autoconfiguration" section on the system...
...system software image Configuration file Default Setting The switch attempts to automatically boot the system using the DHCP-based autoconfiguration feature. Specifying the Filename to Read and Write the System Configuration By default, the Cisco IOS software uses the file config.text to ..., depth-first search throughout the flash file system. If the variable is stored in the configuration file. 5-12 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 For more information, see the "Understanding DHCP-Based Autoconfiguration" section on the system...
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.... It is responsible for this release. Table 5-5 describes the function of the BOOT environment variable. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-15 Table 5-5 Environment Variables Variable MANUAL_BOOT BOOT Boot Loader Command Cisco IOS Global Configuration Command set BOOT filesystem:/file-url ... Valid values are 1, yes, 0, and no or 0, the boot...
.... It is responsible for this release. Table 5-5 describes the function of the BOOT environment variable. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-15 Table 5-5 Environment Variables Variable MANUAL_BOOT BOOT Boot Loader Command Cisco IOS Global Configuration Command set BOOT filesystem:/file-url ... Valid values are 1, yes, 0, and no or 0, the boot...
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... Scheduling a Reload of the Software Image Chapter 5 Assigning the Switch IP Address and Default Gateway Table 5-5 Environment Variables (continued) Variable CONFIG_FILE CONFIG_BUFSIZE Boot Loader Command Cisco IOS Global Configuration Command set CONFIG_BUFSIZE size boot buffersize size Changes the ... variable. Configuring a Scheduled Reload To configure your switch to reload the software image at the specified time (using the reload privileged EXEC command for midnight. 5-16 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 The configuration file...
... Scheduling a Reload of the Software Image Chapter 5 Assigning the Switch IP Address and Default Gateway Table 5-5 Environment Variables (continued) Variable CONFIG_FILE CONFIG_BUFSIZE Boot Loader Command Cisco IOS Global Configuration Command set CONFIG_BUFSIZE size boot buffersize size Changes the ... variable. Configuring a Scheduled Reload To configure your switch to reload the software image at the specified time (using the reload privileged EXEC command for midnight. 5-16 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 The configuration file...