


This guide will give you great insight into how to access your Zyxel device's CLI (Command Line Interface). The command-line interface is a management interface that can be reached via several ways, including SSH and serial cable/console cable connection. It shows what console cable to use, how to login and gain console access via Putty & TeraTerm, access Web GUI CLI, and how to use the debug level 8 command for troubleshooting reboot/crash issues/problem.

This article shows how to use the CLI/Command line interface via console cable using USG FLEX, a VPN firewall, an XGS-Switch or even a professional access point like a WAX510D.
