Sunday, March 17, 2019

Configure descriptions

Adding a description to an interface on a Cisco device does not provide additional functionality. However, this is useful for administrative purposes because it helps you to better understand the function of the interface. A description of an interface is important locally and can have up to 240 characters. It can be configured with the description command from the interface sub-mode:

DEVICE (Config) Interface Fa0 / 1
DEVICE (config-if) Description WAN to London

Configuration example:

Description of commands

The description appears in the result of the show running-config command:

Show the description of the current configuration.

To delete the description, use the interface mode command "No description" (or the abbreviation "no desc"):

command without description

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