Cisco 2950G 24 Software Configuration Guide - Page 244
Adding a Description for an Interface, Monitoring and Maintaining the Interfaces
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Monitoring and Maintaining the Interfaces Chapter 9 Configuring the Switch Interfaces Adding a Description for an Interface You can add a description about an interface to help you remember its function. The description appears in the output of these commands: show configuration, show running-config, and show interfaces. Beginning in privileged EXEC mode, follow these steps to add a description for an interface: Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Command Purpose configure terminal Enter global configuration mode interface interface-id Enter interface configuration mode, and enter the interface for which you are adding a description. description string Add a description (up to 240 characters) for an interface. end Return to privileged EXEC mode. show interfaces interface-id description Verify your entry. or show running-config copy running-config startup-config (Optional) Save your entries in the configuration file. Use the no description interface configuration command to delete the description. This example shows how to add a description on Fast Ethernet interface 0/4 and to verify the description: Switch# config terminal Enter configuration commands, one per line. End with CNTL/Z. Switch(config)# interface fastethernet0/4 Switch(config-if)# description Connects to Marketing Switch(config-if)# end Switch# show interfaces fastethernet0/4 description Interface Status Protocol Description Fa0/4 up down Connects to Marketing Monitoring and Maintaining the Interfaces You can perform the tasks in these sections to monitor and maintain interfaces: • Monitoring Interface and Controller Status, page 9-16 • Clearing and Resetting Interfaces and Counters, page 9-19 • Shutting Down and Restarting the Interface, page 9-19 Monitoring Interface and Controller Status Commands entered at the privileged EXEC prompt display information about the interface, including the version of the software and the hardware, the controller status, and statistics about the interfaces. Table 9-2 lists some of these interface monitoring commands. (You can display the full list of show commands by using the show ? command at the privileged EXEC prompt.) These commands are fully described in the Cisco IOS Interface Command Reference for Release 12.1. 9-16 Catalyst 2950 Desktop Switch Software Configuration Guide 78-14982-01
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