Use the description command with the description you define for this interface. In our example, let’s assign an a description to the Serial 0/0 interface: Move to global configuration mode, like this: To apply a description on your router’s interface, use the following steps: Sample configuration of a router interface configuration Keep in mind that while we are calling this field a “router” interface description, the description command works on Cisco IOS switches and PIX firewalls as well. That way, I have documentation, on the router’s interface, what the previous configuration was. I have even used the description field to notate what the current IP address was on an interface before I changed the IP address.
In general, using the description for a “notes” field Noting who to call if the interface is downĭocumenting the circuit information for that connection The recommended uses for the router interface description command are: For example, you could put the following command on your router’s interface:ĭescription T1 circuit to Internet – Sprint Circuit ID QVX. – Tech Support 80īy using this command, I have described what the circuit’s purpose was, the Circuit ID, the provider, and the tech support phone number.īy doing this, the next time I look at the router, I have all the important troubleshooting information I need, right at my fingertips. Or this can be valuable to any other administrator that has to try to troubleshoot or reconfigure the interface later. This can be very useful for the original administrator that configured the interface. With these commands, the administrator can enter whatever pertinent information he wants to, about that interface. Router interface descriptions are description commands that network administrators configure on each interface of a router. If someone were to look at your router’s configuration, could they understand what the real purpose of the network connections were, who they connect to, and what to do if the interface is down? If you answered no, then you need to look at using router interface descriptions.
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