An interface description is optional text assigned to a Cisco IOS router or switch interface. Use it to identify the connected device or explain an interface’s purpose, making later configuration review and troubleshooting easier. section 8.1.1
Labeling multiple switch ports
In interface configuration mode, `description ## end users ##` labels ports connected to PCs. Use `interface range f0/1-2` first to apply the description to both ports. Verify labels and Layer 1/Layer 2 status with `show interfaces description`. section 8.1.1
SW1# configure terminal SW1(config)# interface range f0/1-2 #1 SW1(config-if)# description ## end users ## #2 #1 Configures F0/1 and F0/2 simultaneously #2 Applies a description to both interfaces
Shows the Cisco IOS commands for selecting an interface range and applying one description to multiple interfaces. section 8.1.1
