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How to Configure Junos OS Devices with J-web

Devices running Junos can be configured using the Command Line Interface (CLI) or the graphical user interface (GUI), J-web. While each option has individual strengths, there are some advantages to using J-Web, including:

  • Many users prefer to work with GUIs rather than command lines because a GUI is their usual operating environment, so they are familiar with it.

  • You can complete more configuration steps at once on a single page.

  • Multifunction devices (such as switches that route and perform firewall functions, act as a DHCP server, and so on) are rendered more understandable when features are presented as functional sections.

  • The J-web GUI is easier to understand and use than commands and modes are.

All in all, J-web can make configuration of Junos OS devices, especially low-end devices, simpler and more compartmentalized.

Just connect a device to your network, connect your laptop or computer to the device with an Ethernet cable, and open a browser on your laptop or computer. Type http://192.168.1.1, and you see the login page. The process is like connecting to and configuring a DSL router in your home.

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After you configure the device, a system identification page launches as part of the Setup Wizard. The wizard has about 10 screens, and in each screen, you simply fill in the information. You must fill in the fields with asterisks to move to the next screen. In about 15 minutes, you have a basic configuration, and the device is working.

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After you configure J-web, you see the J-web Dashboard whenever you log in. The Dashboard immediately shows you a chassis view, the system identification, resource utilization, and security resources. Tabs at the top of the Dashboard let you configure, monitor, maintain, and troubleshoot the device all in a web-page manner. There’s no CLI, just fields, buttons, and help screens.

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