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... 2-8 Searching and Filtering Output of show and more Commands 2-9 Accessing the CLI 2-9 Accessing the CLI from a Browser 2-10 Configuring Catalyst 2955 Switch Alarms 3-1 Understanding Catalyst 2955 Switch Alarms 3-1 Global Status Monitoring Alarms 3-2 FCS Error Hysteresis Threshold 3-2 Port Status Monitoring Alarms 3-3 Triggering Alarm Options 3-3 Configuring Catalyst 2955 Switch Alarms 3-4 Default Catalyst 2955 Switch Alarm Configuration 3-4 Configuring the Power Supply Alarm...
... 2-8 Searching and Filtering Output of show and more Commands 2-9 Accessing the CLI 2-9 Accessing the CLI from a Browser 2-10 Configuring Catalyst 2955 Switch Alarms 3-1 Understanding Catalyst 2955 Switch Alarms 3-1 Global Status Monitoring Alarms 3-2 FCS Error Hysteresis Threshold 3-2 Port Status Monitoring Alarms 3-3 Triggering Alarm Options 3-3 Configuring Catalyst 2955 Switch Alarms 3-4 Default Catalyst 2955 Switch Alarm Configuration 3-4 Configuring the Power Supply Alarm...
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... Initial Configuration 6-9 Enabling a Partial Configuration 6-12 Displaying CNS Configuration 6-13 Clustering Switches 7-1 Understanding Switch Clusters 7-2 Command Switch Characteristics 7-3 Standby Command Switch Characteristics 7-3 Candidate Switch and Member Switch Characteristics 7-4 Planning a Switch Cluster 7-5 Automatic Discovery of Cluster Candidates and Members 7-5 Discovery through CDP Hops ...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
... Initial Configuration 6-9 Enabling a Partial Configuration 6-12 Displaying CNS Configuration 6-13 Clustering Switches 7-1 Understanding Switch Clusters 7-2 Command Switch Characteristics 7-3 Standby Command Switch Characteristics 7-3 Candidate Switch and Member Switch Characteristics 7-4 Planning a Switch Cluster 7-5 Automatic Discovery of Cluster Candidates and Members 7-5 Discovery through CDP Hops ...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 ... 8-19 Default 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 ... 8-19 Default 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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... 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 Setting or Changing a Static Enable Password...Network 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
... 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 Setting or Changing a Static Enable Password...Network 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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...11-1 Understanding Interface Types 11-1 Access Ports 11-2 Trunk Ports 11-2 Port-Based VLANs 11-3 EtherChannel Port Groups 11-3 Connecting Interfaces 11-4 Using the Interface Command 11-4 Procedures for Configuring Interfaces 11-5 Configuring a Range of Interfaces 11-5 Configuring and Using Interface-Range Macros 11-7 Configuring Ethernet Interfaces 11-8 Default Ethernet ...Interface and Controller Status 11-15 Clearing and Resetting Interfaces and Counters 11-16 Shutting Down and Restarting the Interface 11-17 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide xi
...11-1 Understanding Interface Types 11-1 Access Ports 11-2 Trunk Ports 11-2 Port-Based VLANs 11-3 EtherChannel Port Groups 11-3 Connecting Interfaces 11-4 Using the Interface Command 11-4 Procedures for Configuring Interfaces 11-5 Configuring a Range of Interfaces 11-5 Configuring and Using Interface-Range Macros 11-7 Configuring Ethernet Interfaces 11-8 Default Ethernet ...Interface and Controller Status 11-15 Clearing and Resetting Interfaces and Counters 11-16 Shutting Down and Restarting the Interface 11-17 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide xi
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...-LRE Catalyst 2950 Switches 32-2 Recovering from Lost or Forgotten Passwords on Catalyst 2950 LRE Switches 32-4 Password Recovery with Password Recovery Enabled 32-5 Procedure with Password Recovery Disabled 32-6 Recovering from Lost or Forgotten Passwords on Catalyst 2955 Switches 32-8 Recovering from a Command Switch Failure 32-10 Replacing a Failed Command Switch with a Cluster Member 32-11 Replacing a Failed Command Switch with Another Switch 32...
...-LRE Catalyst 2950 Switches 32-2 Recovering from Lost or Forgotten Passwords on Catalyst 2950 LRE Switches 32-4 Password Recovery with Password Recovery Enabled 32-5 Procedure with Password Recovery Disabled 32-6 Recovering from Lost or Forgotten Passwords on Catalyst 2955 Switches 32-8 Recovering from a Command Switch Failure 32-10 Replacing a Failed Command Switch with a Cluster Member 32-11 Replacing a Failed Command Switch with Another Switch 32...
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...-21 Using the show controllers Commands 32-22 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 ... a Configuration 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
...-21 Using the show controllers Commands 32-22 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 ... a Configuration 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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... requirements described in Chapter 1, "Overview." Because configuring switch clusters is for information about the commands that are supported only by either the standard software image (SI) or the enhanced software image (EI). The Catalyst 2950 switch is supported by the EI. For a list of.... Purpose This guide provides the information you 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 the CMS online help. • Cluster configuration-This...
... requirements described in Chapter 1, "Overview." Because configuring switch clusters is for information about the commands that are supported only by either the standard software image (SI) or the enhanced software image (EI). The Catalyst 2950 switch is supported by the EI. For a list of.... Purpose This guide provides the information you 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 the CMS online help. • Cluster configuration-This...
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... timesavers use with the switch. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide xxx 78-11380-10 Caution Means reader be careful. On the Cisco Product Documentation home page, select Release 12.1 from the Cisco.com home page at Service and Support > Technical Documents. Conventions Preface This guide provides procedures for using the commands that could result...
... timesavers use with the switch. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide xxx 78-11380-10 Caution Means reader be careful. On the Cisco Product Documentation home page, select Release 12.1 from the Cisco.com home page at Service and Support > Technical Documents. Conventions Preface This guide provides procedures for using the commands that could result...
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...-7811380=) • Catalyst 2950 and Catalyst 2955 Switch Command Reference (order number DOC-7811381=) • Catalyst 2950 and Catalyst 2955 Switch System Message Guide (order number DOC-7814233=) • Catalyst 2950 Desktop Switch Hardware Installation Guide (order number DOC-7811157=) • Catalyst 2955 Hardware Installation Guide (order number DOC-7814944=) For information about the switch and are available on Cisco.com) Note Switch requirements and procedures...
...-7811380=) • Catalyst 2950 and Catalyst 2955 Switch Command Reference (order number DOC-7811381=) • Catalyst 2950 and Catalyst 2955 Switch System Message Guide (order number DOC-7814233=) • Catalyst 2950 Desktop Switch Hardware Installation Guide (order number DOC-7811157=) • Catalyst 2955 Hardware Installation Guide (order number DOC-7814944=) For information about the switch and are available on Cisco.com) Note Switch requirements and procedures...
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... for a list of up to the command switch. Automatic discovery of candidate switches and creation of clusters of eligible cluster members). - Unified configuration, monitoring, authentication, and software upgrade of multiple switches (refer to the release notes for simplifying switch and switch cluster management through a single IP address. - Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 1-2 78-11380-10 No...
... for a list of up to the command switch. Automatic discovery of candidate switches and creation of clusters of eligible cluster members). - Unified configuration, monitoring, authentication, and software upgrade of multiple switches (refer to the release notes for simplifying switch and switch cluster management through a single IP address. - Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 1-2 78-11380-10 No...
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...," and the release notes. The redundant command switches used for command-switch redundancy. Chapter 1 Overview Features 78-11380-10 • Hot Standby Router Protocol (HSRP) for HSRP must have compatible software releases. Catalyst 2950 LRE switches - 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 -
...," and the release notes. The redundant command switches used for command-switch redundancy. Chapter 1 Overview Features 78-11380-10 • Hot Standby Router Protocol (HSRP) for HSRP must have compatible software releases. Catalyst 2950 LRE switches - 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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... access through a CMS web-based session • In-band management access through up to 16 simultaneous Telnet connections for multiple command-line interface (CLI)-based sessions over the network • In-band management access through up to 5 simultaneous, encrypted Secure ... MAC addresses (available only with the EI) • Cisco Discovery Protocol (CDP) versions 1 and 2 for network topology discovery and mapping between redundant uplinks, including Gigabit uplinks and cross-stack Gigabit uplinks Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 1-4 78-11380-10
... access through a CMS web-based session • In-band management access through up to 16 simultaneous Telnet connections for multiple command-line interface (CLI)-based sessions over the network • In-band management access through up to 5 simultaneous, encrypted Secure ... MAC addresses (available only with the EI) • Cisco Discovery Protocol (CDP) versions 1 and 2 for network topology discovery and mapping between redundant uplinks, including Gigabit uplinks and cross-stack Gigabit uplinks Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 1-4 78-11380-10
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... the Chapter 28, "Configuring SNMP." You can configure and monitor individual switches and switch clusters by using SNMP, see Chapter 2, "Using the Command-Line Interface." • IE2100-Cisco Intelligence Engine 2100 Series Configuration Registrar is enhanced to support desktop-switching features. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 1-8 78-11380-10 For more information about IE2100, see...
... the Chapter 28, "Configuring SNMP." You can configure and monitor individual switches and switch clusters by using SNMP, see Chapter 2, "Using the Command-Line Interface." • IE2100-Cisco Intelligence Engine 2100 Series Configuration Registrar is enhanced to support desktop-switching features. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 1-8 78-11380-10 For more information about IE2100, see...
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... and monitor interconnected Catalyst switches (refer to the release notes for a list of supported switches), regardless of their geographic proximity and interconnection media, including Ethernet, Fast Ethernet, Fast EtherChannel, Cisco GigaStack GBIC, Gigabit Ethernet, and Gigabit EtherChannel connections. • Accomplish multiple configuration tasks from a single CMS window without needing to remember CLI commands to accomplish...
... and monitor interconnected Catalyst switches (refer to the release notes for a list of supported switches), regardless of their geographic proximity and interconnection media, including Ethernet, Fast Ethernet, Fast EtherChannel, Cisco GigaStack GBIC, Gigabit Ethernet, and Gigabit EtherChannel connections. • Accomplish multiple configuration tasks from a single CMS window without needing to remember CLI commands to accomplish...
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... as a switch cluster, with primary and secondary command switches for redundant cluster management. This divides the network into smaller segments (or workgroups) and reduces the amount of dedicated bandwidth from the switch. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide... available to each switch to form a 1-Gbps network backbone. This GigaStack can also be configured as web and mail servers). Figure 1-2 Small to Medium-Sized Network Configuration Cisco 2600 router Catalyst 2900 XL, Catalyst 2950, Catalyst 3550, and Catalyst 3500 XL GigaStack cluster...
... as a switch cluster, with primary and secondary command switches for redundant cluster management. This divides the network into smaller segments (or workgroups) and reduces the amount of dedicated bandwidth from the switch. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide... available to each switch to form a 1-Gbps network backbone. This GigaStack can also be configured as web and mail servers). Figure 1-2 Small to Medium-Sized Network Configuration Cisco 2600 router Catalyst 2900 XL, Catalyst 2950, Catalyst 3550, and Catalyst 3500 XL GigaStack cluster...
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...the IP address of its active and standby command switches, regardless of the geographic location of approximately 500 employees. Data and multimedia traffic are configured on the Catalyst 3550-24PWR switches provides -48 VDC power to the Cisco IP Phone. You can be configured per ... connected to the GBIC module ports on WAN access. Using CMS and Cisco switch clustering technology, you can place, receive, and control calls from an AC power source. 1-14 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 Grouping servers in a centralized location provides...
...the IP address of its active and standby command switches, regardless of the geographic location of approximately 500 employees. Data and multimedia traffic are configured on the Catalyst 3550-24PWR switches provides -48 VDC power to the Cisco IP Phone. You can be configured per ... connected to the GBIC module ports on WAN access. Using CMS and Cisco switch clustering technology, you can place, receive, and control calls from an AC power source. 1-14 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 Grouping servers in a centralized location provides...
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... used for transporting 8 Gigabits of up information: • Chapter 2, "Using the Command-Line Interface" • Chapter 4, "Getting Started with CMS" • Chapter 5, "Assigning the Switch IP Address and Default Gateway" • Chapter 6, "Configuring IE2100 CNS Agents" 1-22 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 Depending on the receiving end separate... to 393,701 feet (74.5 miles or 120 km). The CWDM OADM modules combine (or multiplex) the different CWDM wavelengths, allowing them to the Cisco CWDM GBIC and CWDM SFP Installation Note.
... used for transporting 8 Gigabits of up information: • Chapter 2, "Using the Command-Line Interface" • Chapter 4, "Getting Started with CMS" • Chapter 5, "Assigning the Switch IP Address and Default Gateway" • Chapter 6, "Configuring IE2100 CNS Agents" 1-22 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 Depending on the receiving end separate... to 393,701 feet (74.5 miles or 120 km). The CWDM OADM modules combine (or multiplex) the different CWDM wavelengths, allowing them to the Cisco CWDM GBIC and CWDM SFP Installation Note.
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CH A P T E R 2 Using the Command-Line Interface This chapter describes the Cisco IOS command-line interface (CLI) that you can use to you depend on the switch, you begin in user mode, often called user EXEC mode. The commands available to configure your Catalyst 2950 and Catalyst 2955 switches. For example, most of the commands are available in . From global configuration mode...
CH A P T E R 2 Using the Command-Line Interface This chapter describes the Cisco IOS command-line interface (CLI) that you can use to you depend on the switch, you begin in user mode, often called user EXEC mode. The commands available to configure your Catalyst 2950 and Catalyst 2955 switches. For example, most of the commands are available in . From global configuration mode...
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... information. To exit to privileged EXEC mode, enter exit. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 2-2 78-11380-10 To exit to privileged EXEC mode, enter exit or end, or press Ctrl-Z. 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 you...
... information. To exit to privileged EXEC mode, enter exit. Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 2-2 78-11380-10 To exit to privileged EXEC mode, enter exit or end, or press Ctrl-Z. 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 you...