To configure a router that is powered on for the first time or locally maintain the router, log in to the router through the console port.
Usage Scenario
If a router is powered on for the first time, you can log in to the router only through the console port.
- If you cannot remotely access a device, you can locally log in to the device through the console port.
- If a device fails to start, you can log in to the device to diagnose the fault through the console port.
Pre-configuration Tasks
Before logging in to a router through a console port, complete the following tasks: