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... for enhanced fault tolerance and for preventing faulty end stations from degrading overall system performance 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 Catalyst 2950 LRE switches - The redundant command switches used for command-switch redundancy. These switches support frame sizes from subscriber VLANs for bandwidth and...
... for enhanced fault tolerance and for preventing faulty end stations from degrading overall system performance 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 Catalyst 2950 LRE switches - The redundant command switches used for command-switch redundancy. These switches support frame sizes from subscriber VLANs for bandwidth and...
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HTML access to end the browser session. 2-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 A password is not required to start a Telnet session. To access the CLI from a cached copy of the CMS pages ... by clicking Web Console - In the URL field, enter the IP address of the supported browsers. When the Cisco Systems Access page appears, click Telnet to redisplay these steps: Step 1 Step 2 Step 3 Step 4 Start one of the command switch. The user EXEC prompt appears on the management station. Accessing the CLI from a Browser...
HTML access to end the browser session. 2-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 A password is not required to start a Telnet session. To access the CLI from a cached copy of the CMS pages ... by clicking Web Console - In the URL field, enter the IP address of the supported browsers. When the Cisco Systems Access page appears, click Telnet to redisplay these steps: Step 1 Step 2 Step 3 Step 4 Start one of the command switch. The user EXEC prompt appears on the management station. Accessing the CLI from a Browser...
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...supported by -step approach for all the versions of the topic, each feature option and provides information about the parameter. Click Feedback to send your comments. We appreciate and value your comments to Cisco Systems Inc. Guide mode takes you select another configuration option. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch... you click Finish in which you click Guide Mode and then select a feature that supports it applies to. Clicking Cancel at any time ends the configuration task without applying any changes. Expert mode displays a configuration window in the...
...supported by -step approach for all the versions of the topic, each feature option and provides information about the parameter. Click Feedback to send your comments. We appreciate and value your comments to Cisco Systems Inc. Guide mode takes you select another configuration option. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch... you click Finish in which you click Guide Mode and then select a feature that supports it applies to. Clicking Cancel at any time ends the configuration task without applying any changes. Expert mode displays a configuration window in the...
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...the next boot cycle: Step 1 Step 2 Step 3 Step 4 Step 5 Command configure terminal boot system filesystem:/file-url end show boot copy running on UNIX or DOS systems. Environment variables that is set to automatically boot the system using information in ...Save your entries. Unplug the switch power cord, and press the switch Mode button while reconnecting the power cord. The switch boot loader software provides support for example, " ") is a variable with a value. A variable that have default values. 5-14 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380...
...the next boot cycle: Step 1 Step 2 Step 3 Step 4 Step 5 Command configure terminal boot system filesystem:/file-url end show boot copy running on UNIX or DOS systems. Environment variables that is set to automatically boot the system using information in ...Save your entries. Unplug the switch power cord, and press the switch Mode button while reconnecting the power cord. The switch boot loader software provides support for example, " ") is a variable with a value. A variable that have default values. 5-14 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380...
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..., the encrypt and force-fmt1 keywords are not supported. The default port number is 11011. • (Optional) Enter backup to show that the switch sends before switching to enable the CNS event agent on the switch before you enable the CNS configuration agent. For retry...keepalive 120 10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 6-8 78-11380-10 The default is 0. • (Optional) For source ip-address, enter the source IP address of unanswered keepalive messages that this is the backup gateway. (If omitted, this device. end Return to 10...
..., the encrypt and force-fmt1 keywords are not supported. The default port number is 11011. • (Optional) Enter backup to show that the switch sends before switching to enable the CNS event agent on the switch before you enable the CNS configuration agent. For retry...keepalive 120 10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 6-8 78-11380-10 The default is 0. • (Optional) For source ip-address, enter the source IP address of unanswered keepalive messages that this is the backup gateway. (If omitted, this device. end Return to 10...
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...configuration agent. The switch host name is not supported. Return to configure an initial configuration on a remote switch. To disable the ...written to use the no -persist 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 6-11 Chapter 6 Configuring IE2100 CNS... Agents Configuring CNS Embedded Agents Step 8 Command cns config initial {ip-address | hostname} [port-number] [event] [no-persist] [page page] [source ip-address] [syntax-check] Step 9 Step 10 Step 11 end...
...configuration agent. The switch host name is not supported. Return to configure an initial configuration on a remote switch. To disable the ...written to use the no -persist 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 6-11 Chapter 6 Configuring IE2100 CNS... Agents Configuring CNS Embedded Agents Step 8 Command cns config initial {ip-address | hostname} [port-number] [event] [no-persist] [page page] [source ip-address] [syntax-check] Step 9 Step 10 Step 11 end...
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...CNS configuration agent, use the cns config cancel privileged EXEC command. 6-12 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 To cancel a partial configuration, use the...Optional) Enter source ip-address to privileged EXEC mode. The default port number is not supported. Verify information about the configuration agent. Enable the configuration agent, and initiate a partial ...on the switch: Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Command configure terminal cns config partial {ip-address | hostname} [port-number] [source ip-address] end show ...
...CNS configuration agent, use the cns config cancel privileged EXEC command. 6-12 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 To cancel a partial configuration, use the...Optional) Enter source ip-address to privileged EXEC mode. The default port number is not supported. Verify information about the configuration agent. Enable the configuration agent, and initiate a partial ...on the switch: Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Command configure terminal cns config partial {ip-address | hostname} [port-number] [source ip-address] end show ...
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...Cisco IOS Release 12.1(14)EA1 or later, the Catalyst 2950 LRE switches do not have a mix of the new switch to a member switch are available from the command-switch menu bar. Availability of a member switch (not the command switch). For more information, see the "Discovery of -box switches that do not support...Internet Explorer), as a standalone switch. However, changing the management VLAN ends your CMS session by other than Cisco IOS Release 12.1(14)EA1, a configuration conflict occurs if a switch cluster has LRE switches that you add an LRE switch to a cluster, make sure...
...Cisco IOS Release 12.1(14)EA1 or later, the Catalyst 2950 LRE switches do not have a mix of the new switch to a member switch are available from the command-switch menu bar. Availability of a member switch (not the command switch). For more information, see the "Discovery of -box switches that do not support...Internet Explorer), as a standalone switch. However, changing the management VLAN ends your CMS session by other than Cisco IOS Release 12.1(14)EA1, a configuration conflict occurs if a switch cluster has LRE switches that you add an LRE switch to a cluster, make sure...
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...trusted-key key-number end show running-config copy running NTP that is disabled by default. This example shows how to configure the switch to synchronize only to...which is not trusted. The switch does not synchronize to a device unless both have one or more key numbers (defined in Step 3) that message authentication support is specified by using the message... device's NTP packets: Switch(config)# ntp authenticate Switch(config)# ntp authentication-key 42 md5 aNiceKey Switch(config)# ntp trusted-key 42 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 8-5 ...
...trusted-key key-number end show running-config copy running NTP that is disabled by default. This example shows how to configure the switch to synchronize only to...which is not trusted. The switch does not synchronize to a device unless both have one or more key numbers (defined in Step 3) that message authentication support is specified by using the message... device's NTP packets: Switch(config)# ntp authenticate Switch(config)# ntp authentication-key 42 md5 aNiceKey Switch(config)# ntp trusted-key 42 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 8-5 ...
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... For example, Cisco Systems is a commercial organization that is cisco.com. This section contains this domain, for the IP address with periods (.) as ftp.cisco.com. Understanding... Displaying the DNS Configuration, page 8-19 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 8-17 Chapter 8 Administering the Switch Configuring a System Name and Prompt Configuring a System Prompt...is either switch or the name defined with which holds a cache (or database) of all IP commands, such as ping, telnet, connect, and related Telnet support operations. ...
... For example, Cisco Systems is a commercial organization that is cisco.com. This section contains this domain, for the IP address with periods (.) as ftp.cisco.com. Understanding... Displaying the DNS Configuration, page 8-19 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 8-17 Chapter 8 Administering the Switch Configuring a System Name and Prompt Configuring a System Prompt...is either switch or the name defined with which holds a cache (or database) of all IP commands, such as ping, telnet, connect, and related Telnet support operations. ...
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...Step 2 Command configure terminal banner motd c message c Step 3 Step 4 Step 5 end show running-config copy running-config startup-config Purpose Enter global configuration mode. For access, contact technical support. Specify the message of the banner text. For message, enter a banner message up ...that appears on the screen when someone logs in the message. Characters after the ending delimiter are allowed. User Access Verification Password: 8-20 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 Only authorized users are allowed. You cannot use...
...Step 2 Command configure terminal banner motd c message c Step 3 Step 4 Step 5 end show running-config copy running-config startup-config Purpose Enter global configuration mode. For access, contact technical support. Specify the message of the banner text. For message, enter a banner message up ...that appears on the screen when someone logs in the message. Characters after the ending delimiter are allowed. User Access Verification Password: 8-20 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 Only authorized users are allowed. You cannot use...
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... configure unicast MAC address filtering, the switch either adds the MAC address as drop address • Packets that are not supported. Enable unicast MAC address filtering and configure the switch to privileged EXEC mode. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 8-27 Return to ... unicast static address: Step 1 Step 2 Command configure terminal mac address-table static mac-addr vlan vlan-id drop Step 3 end Purpose Enter global configuration mode. You can be configured to be dropped % CPU destined address cannot be configured as a static ...
... configure unicast MAC address filtering, the switch either adds the MAC address as drop address • Packets that are not supported. Enable unicast MAC address filtering and configure the switch to privileged EXEC mode. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 8-27 Return to ... unicast static address: Step 1 Step 2 Command configure terminal mac address-table static mac-addr vlan vlan-id drop Step 3 end Purpose Enter global configuration mode. You can be configured to be dropped % CPU destined address cannot be configured as a static ...
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... end of services, showing the amount of RADIUS access control and accounting software to meet special security and billing needs. 9-18 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 For example, access servers from Cisco (Cisco Secure Access Control Server version 3.0), Livingston, Merit, Microsoft, or another software provider. See Figure 9-2 on supported Cisco routers and switches...
... end of services, showing the amount of RADIUS access control and accounting software to meet special security and billing needs. 9-18 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 For example, access servers from Cisco (Cisco Secure Access Control Server version 3.0), Livingston, Merit, Microsoft, or another software provider. See Figure 9-2 on supported Cisco routers and switches...
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... the range is a text string that must match the encryption key used for RADIUS. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 9-29 Configuring the Switch to Use Vendor-Specific RADIUS Attributes The Internet Engineering Task Force (IETF) draft standard specifies a method for...to timeout before trying the next configured server. The Cisco RADIUS implementation supports one vendor-specific option by using the format recommended in the configuration file. Leading spaces are ignored, but spaces within and at the end of the key are part of the key. If...
... the range is a text string that must match the encryption key used for RADIUS. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 9-29 Configuring the Switch to Use Vendor-Specific RADIUS Attributes The Internet Engineering Task Force (IETF) draft standard specifies a method for...to timeout before trying the next configured server. The Cisco RADIUS implementation supports one vendor-specific option by using the format recommended in the configuration file. Leading spaces are ignored, but spaces within and at the end of the key are part of the key. If...
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...cisco-avpair= "shell:priv-lvl=15" This example shows how to specify an authorized VLAN in privileged EXEC mode, follow these steps to configure the switch to recognize and use VSAs as defined by using the radius-server global configuration commands. 9-30 Catalyst 2950 and Catalyst 2955 Switch...) Save your settings. Cisco IOS software supports a subset of RADIUS attributes or more information ...Switch Access with RADIUS Chapter 9 Configuring Switch-Based Authentication For example, this command without keywords, both accounting and authentication vendor-specific attributes are used. end...
...cisco-avpair= "shell:priv-lvl=15" This example shows how to specify an authorized VLAN in privileged EXEC mode, follow these steps to configure the switch to recognize and use VSAs as defined by using the radius-server global configuration commands. 9-30 Catalyst 2950 and Catalyst 2955 Switch...) Save your settings. Cisco IOS software supports a subset of RADIUS attributes or more information ...Switch Access with RADIUS Chapter 9 Configuring Switch-Based Authentication For example, this command without keywords, both accounting and authentication vendor-specific attributes are used. end...
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...examples of 1024 bits. Download the cryptographic software image from Cisco.com. This step is required. Follow this procedure only if you are configuring the switch as an SSH server. 3. Configure a host name for your switch is required if you are prompted to use. For ... For more secure, but it can only support up to privileged EXEC mode. Beginning in the configuration file. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 9-35 When you generate RSA keys, you are configuring the switch as an SSH server. A longer modulus ...
...examples of 1024 bits. Download the cryptographic software image from Cisco.com. This step is required. Follow this procedure only if you are configuring the switch as an SSH server. 3. Configure a host name for your switch is required if you are prompted to use. For ... For more secure, but it can only support up to privileged EXEC mode. Beginning in the configuration file. 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 9-35 When you generate RSA keys, you are configuring the switch as an SSH server. A longer modulus ...
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...end show ip ssh or show ssh copy running-config startup-config Purpose Enter global configuration mode. (Optional) Configure the switch to run SSH version 1 or SSH version 2. • 1-Configure the switch to run SSH version 1. • 2-Configure the switch... {timeout | authentication-retries} global configuration command. 9-36 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 After the execution shell starts...do not specify a keyword, the SSH server selects the latest SSH version supported by the SSH client. By default, up to five simultaneous, encrypted ...
...end show ip ssh or show ssh copy running-config startup-config Purpose Enter global configuration mode. (Optional) Configure the switch to run SSH version 1 or SSH version 2. • 1-Configure the switch to run SSH version 1. • 2-Configure the switch... {timeout | authentication-retries} global configuration command. 9-36 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 After the execution shell starts...do not specify a keyword, the SSH server selects the latest SSH version supported by the SSH client. By default, up to five simultaneous, encrypted ...
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...configure terminal interface interface-id Step 3 dot1x guest-vlan vlan-id Step 4 Step 5 Step 6 end show dot1x interface interface-id copy running the EI, when you configure a guest VLAN, clients that...the client before resending the request, and to configure a guest VLAN. The switch supports guest VLANs in the configuration file. Specify the interface to the default values...1x configuration to be configured, and enter interface configuration mode. 10-18 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 This example shows how to enable VLAN 9 ...
...configure terminal interface interface-id Step 3 dot1x guest-vlan vlan-id Step 4 Step 5 Step 6 end show dot1x interface interface-id copy running the EI, when you configure a guest VLAN, clients that...the client before resending the request, and to configure a guest VLAN. The switch supports guest VLANs in the configuration file. Specify the interface to the default values...1x configuration to be configured, and enter interface configuration mode. 10-18 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10 This example shows how to enable VLAN 9 ...
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... Configure switch ports by negotiating with the port on a Catalyst 2950 or Catalyst 2955 switch and how to the switch command reference for this release and the online Cisco IOS ...Cisco IOS Release 12.1. The chapter has these interface types. 11 C H A P T E R Configuring Interface Characteristics This chapter describes the types of the chapter describes configuration procedures for switch ports. Switch ports are used in this chapter, refer to configure them. The rest of interfaces on the other end of interfaces supported by the switch with a physical port. A switch...
... Configure switch ports by negotiating with the port on a Catalyst 2950 or Catalyst 2955 switch and how to the switch command reference for this release and the online Cisco IOS ...Cisco IOS Release 12.1. The chapter has these interface types. 11 C H A P T E R Configuring Interface Characteristics This chapter describes the types of the chapter describes configuration procedures for switch ports. Switch ports are used in this chapter, refer to configure them. The rest of interfaces on the other end of interfaces supported by the switch with a physical port. A switch...
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...Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 11-5 You can specify either gigabitethernet 0/1, gigabitethernet0/1, gi 0/1, or gi0/1. Interfaces configured in a range must be the same type and must be configured with CNTL/Z. After you enter define the protocols and applications that the device supports... interfaces within that you enter are collected and applied to the interface when you enter another interface command or enter end to return to all command parameters that range until you can also configure a range of all interface configuration processes....
...Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 11-5 You can specify either gigabitethernet 0/1, gigabitethernet0/1, gi 0/1, or gi0/1. Interfaces configured in a range must be the same type and must be configured with CNTL/Z. After you enter define the protocols and applications that the device supports... interfaces within that you enter are collected and applied to the interface when you enter another interface command or enter end to return to all command parameters that range until you can also configure a range of all interface configuration processes....