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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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... marks of their respective owners. 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, ... All other trademarks 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. Copyright © 1981, Regents of the University of the UNIX ...
... marks of their respective owners. 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, ... All other trademarks 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. Copyright © 1981, Regents of the University of the UNIX ...
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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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The Catalyst 2955 and Catalyst 2950 Long-Reach Ethernet (LRE) switches are described in Chapter 3, "Configuring Catalyst 2955 Switch Alarms." The Catalyst 2955 switch also supports an additional set of features, including access control lists (ACLs), enhanced quality of the Ethernet ports. The Catalyst 2950 switch is most easily performed through CMS, this guide, you should have experience working with the Cisco IOS and...
The Catalyst 2955 and Catalyst 2950 Long-Reach Ethernet (LRE) switches are described in Chapter 3, "Configuring Catalyst 2955 Switch Alarms." The Catalyst 2955 switch also supports an additional set of features, including access control lists (ACLs), enhanced quality of the Ethernet ports. The Catalyst 2950 switch is most easily performed through CMS, this guide, you should have experience working with the Cisco IOS and...
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...commands, refer to the command reference for this release and to install your switch. For this information, refer to the Cisco IOS documentation set available from the Cisco IOS Software drop-down list. Interactive examples use with the switch. Notes, cautions, and timesavers use these conventions and symbols: Note Means...data. Caution Means reader be careful. Conventions This publication uses these conventions to materials not contained in the standard Cisco IOS Release 12.1 documentation. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide xxx 78-11380-10
...commands, refer to the command reference for this release and to install your switch. For this information, refer to the Cisco IOS documentation set available from the Cisco IOS Software drop-down list. Interactive examples use with the switch. Notes, cautions, and timesavers use these conventions and symbols: Note Means...data. Caution Means reader be careful. Conventions This publication uses these conventions to materials not contained in the standard Cisco IOS Release 12.1 documentation. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide xxx 78-11380-10
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... autoconfiguration for automatically configuring the switch during DHCP-based autoconfiguration Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 1-3 Catalyst 2950 LRE switches - For the CMS, software, and browser requirements and for HSRP must have compatible software releases. Catalyst 2950G-12-EI, 2950G-24-EI, 2950G-24-EI-DC, and 2950G-48-EI switches running Cisco IOS Release 12.1(6)EA2 or later...
... autoconfiguration for automatically configuring the switch during DHCP-based autoconfiguration Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 1-3 Catalyst 2950 LRE switches - For the CMS, software, and browser requirements and for HSRP must have compatible software releases. Catalyst 2950G-12-EI, 2950G-24-EI, 2950G-24-EI-DC, and 2950G-48-EI switches running Cisco IOS Release 12.1(6)EA2 or later...
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...Management Interface Options, page 1-8 • Advantages of a switch cluster-through its various management interfaces. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 1-8 78-11380-10 CMS is already ...installed on longer lines • Support for sending LRE debugging messages to the LRE message logging process and to the system message logging process Management Options The switch is a graphical user interface that works with CMS." • CLI-The switch Cisco IOS...
...Management Interface Options, page 1-8 • Advantages of a switch cluster-through its various management interfaces. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 1-8 78-11380-10 CMS is already ...installed on longer lines • Support for sending LRE debugging messages to the LRE message logging process and to the system message logging process Management Options The switch is a graphical user interface that works with CMS." • CLI-The switch Cisco IOS...
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..., you can enter interface configuration mode and line configuration mode. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 2-1 If you can use to configure your Catalyst 2950 and Catalyst 2955 switches. From global configuration mode, you save the configuration, these sections: • Cisco IOS Command Modes, page 2-1 • Getting Help, page 2-3 • Abbreviating Commands, page 2-4 •...
..., you can enter interface configuration mode and line configuration mode. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 2-1 If you can use to configure your Catalyst 2950 and Catalyst 2955 switches. From global configuration mode, you save the configuration, these sections: • Cisco IOS Command Modes, page 2-1 • Getting Help, page 2-3 • Abbreviating Commands, page 2-4 •...
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..., enter the exit command. To exit to configure VLAN parameters. Use this mode to verify commands that apply to the entire switch. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 2-2 78-11380-10 Cisco IOS Command Modes Chapter 2 Using the Command-Line Interface Table 2-1 describes the main command modes, how to access each one, the prompt...
..., enter the exit command. To exit to configure VLAN parameters. Use this mode to verify commands that apply to the entire switch. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 2-2 78-11380-10 Cisco IOS Command Modes Chapter 2 Using the Command-Line Interface Table 2-1 describes the main command modes, how to access each one, the prompt...
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...alarm FCS Bit Error Rate alarm Description The Catalyst 2955 switch generates a link fault alarm when there are problems with either alarm relay or both relays. Each fault condition is assigned a severity level based on the Cisco IOS System Error Message Severity Level. The severity ...for this alarm is loss of signal or clock. See the "Configuring the FCS Bit Error Rate Alarm" section on page 3-7 for more information on configuring the relays. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software ...
...alarm FCS Bit Error Rate alarm Description The Catalyst 2955 switch generates a link fault alarm when there are problems with either alarm relay or both relays. Each fault condition is assigned a severity level based on the Cisco IOS System Error Message Severity Level. The severity ...for this alarm is loss of signal or clock. See the "Configuring the FCS Bit Error Rate Alarm" section on page 3-7 for more information on configuring the relays. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software ...
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... you are not shown in the URL 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 earlier software releases and if you have privilege level 15, you do not support read...
... you are not shown in the URL 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 earlier software releases and if you have privilege level 15, you do not support read...
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... port 80) and the default method of its Cisco IOS release for that CMS in earlier Cisco IOS releases and on different switch platforms might appear to be similar but they are not available on the Catalyst 1900 and Catalyst 2820 switches is referred to as the Topology view or the... to both in Windows environments and on page 4-10. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 4-9 For example, the Topology view in this release is the earliest version of the CMS version. Cisco IOS Release 12.2(18)SE or later • CMS on these earlier software...
... port 80) and the default method of its Cisco IOS release for that CMS in earlier Cisco IOS releases and on different switch platforms might appear to be similar but they are not available on the Catalyst 1900 and Catalyst 2820 switches is referred to as the Topology view or the... to both in Windows environments and on page 4-10. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 4-9 For example, the Topology view in this release is the earliest version of the CMS version. Cisco IOS Release 12.2(18)SE or later • CMS on these earlier software...
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... page 5-16 (available only on the Catalyst 2950 LRE switch) Understanding the Boot Process To start your switch, you need to follow the procedures in this chapter, refer to the command reference for this release and the Cisco IOS IP and IP Routing Command Reference, Release ...board. • Loads a default operating system software image into memory and boots the switch. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-1 It tests the CPU DRAM and the portion of the switch. The normal boot process involves the operation of automatic and manual methods. CH A...
... page 5-16 (available only on the Catalyst 2950 LRE switch) Understanding the Boot Process To start your switch, you need to follow the procedures in this chapter, refer to the command reference for this release and the Cisco IOS IP and IP Routing Command Reference, Release ...board. • Loads a default operating system software image into memory and boots the switch. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-1 It tests the CPU DRAM and the portion of the switch. The normal boot process involves the operation of automatic and manual methods. CH A...
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... 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 support Express Setup. Refer to your switch hardware installation guide for specific IP information. Use the switch ... Network Management Protocol (SNMP). If you are an experienced user familiar with the switch configuration steps, manually configure the switch. The Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-2 78-11380-10 The trap-door mechanism provides enough access ...
... 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 support Express Setup. Refer to your switch hardware installation guide for specific IP information. Use the switch ... Network Management Protocol (SNMP). If you are an experienced user familiar with the switch configuration steps, manually configure the switch. The Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-2 78-11380-10 The trap-door mechanism provides enough access ...
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...DHCP server is not a guarantee that the IP address is only available on your DHCP server is a Cisco device, or if you are enabled on Catalyst 2955 switches. A DHCP client might receive offers from multiple DHCP or BOOTP servers and can act as a DHCP ...the Cisco IOS IP and IP Routing Configuration Guide for Cisco IOS Release 12.1 for additional information about configuring DHCP. The offer from a BOOTP server and configures itself, the switch broadcasts, instead of unicasts, TFTP requests to each switch by the switch) (required) 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch ...
...DHCP server is not a guarantee that the IP address is only available on your DHCP server is a Cisco device, or if you are enabled on Catalyst 2955 switches. A DHCP client might receive offers from multiple DHCP or BOOTP servers and can act as a DHCP ...the Cisco IOS IP and IP Routing Configuration Guide for Cisco IOS Release 12.1 for additional information about configuring DHCP. The offer from a BOOTP server and configures itself, the switch broadcasts, instead of unicasts, TFTP requests to each switch by the switch) (required) 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch ...
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...Cisco IOS File System, Configuration Files, and Software Images." This command saves the configuration settings that you made by entering the show running-config privileged EXEC command: For information about alternative locations from which to copy the configuration file on a Catalyst 2950 LRE switch... the Startup Configuration This section describes how to modify the switch startup configuration only on the Catalyst 2950 LRE switches, see Chapter 8, "Administering the Switch." Chapter 5 Assigning the Switch IP Address and Default Gateway Checking and Saving the Running Configuration...
...Cisco IOS File System, Configuration Files, and Software Images." This command saves the configuration settings that you made by entering the show running-config privileged EXEC command: For information about alternative locations from which to copy the configuration file on a Catalyst 2950 LRE switch... the Startup Configuration This section describes how to modify the switch startup configuration only on the Catalyst 2950 LRE switches, see Chapter 8, "Administering the Switch." Chapter 5 Assigning the Switch IP Address and Default Gateway Checking and Saving the Running Configuration...
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... in the BOOT environment variable. Configured switches use the config.text file stored on page 5-3. A new switch has no configuration file. Specifying the Filename to Read and Write the System Configuration By default, the Cisco IOS software uses the file config.text to...Configuration File You can by using information in the configuration file. 5-12 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 Modifying the Startup Configuration Chapter 5 Assigning the Switch IP Address and Default Gateway Default Boot Configuration Table 5-3 shows the default ...
... in the BOOT environment variable. Configured switches use the config.text file stored on page 5-3. A new switch has no configuration file. Specifying the Filename to Read and Write the System Configuration By default, the Cisco IOS software uses the file config.text to...Configuration File You can by using information in the configuration file. 5-12 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 Modifying the Startup Configuration Chapter 5 Assigning the Switch IP Address and Default Gateway Default Boot Configuration Table 5-3 shows the default ...
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...; Data that it is set to anything else, you reboot the system, the switch is in the flash file system. Table 5-5 Environment Variables Variable MANUAL_BOOT BOOT Boot Loader Command Cisco IOS Global Configuration Command set BOOT filesystem:/file-url ... If the BOOT variable is set...the name of a boot loader helper file, which does not read the Cisco IOS configuration file. If it can change the settings of the BOOT environment variable. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-15 If the BOOT environment variable is not set, the...
...; Data that it is set to anything else, you reboot the system, the switch is in the flash file system. Table 5-5 Environment Variables Variable MANUAL_BOOT BOOT Boot Loader Command Cisco IOS Global Configuration Command set BOOT filesystem:/file-url ... If the BOOT variable is set...the name of a boot loader helper file, which does not read the Cisco IOS configuration file. If it can change the settings of the BOOT environment variable. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 5-15 If the BOOT environment variable is not set, the...
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...memory. 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 buffer size...from 4096 to take place 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 Note A scheduled reload must take place at the specified time on the current...
...memory. 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 buffer size...from 4096 to take place 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 Note A scheduled reload must take place at the specified time on the current...