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Junos Security by James Quinn, Timothy Eberhard, Patricio Giecco, Brad Woodberg, Rob Cameron

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Junos Configuration Essentials

Logging in to a command line for the first time can be a daunting task. You stare into a black-and-white terminal, and a seemingly infinite combination of commands are staring back—it can be extremely difficult. All users of Junos or Unix start out this way, and soon enough they become nimble on the CLI.

This section is one of two that will show you some of the basic techniques you can use if you’re starting out on the Junos command line with your SRX device.

The first thing you need to do is begin to configure the device. All Junos devices come with some base configurations. In this section, we will ignore the base configurations and instead discuss the important base configuration elements. This should help you to understand how to get the device up and running with base configuration settings.

System Settings

When you configure a Junos device many options are used system-wide. These system-wide options are set in the system stanza. Several dozen configuration settings are in the system stanza, and here we’ll cover the most important ones that you need to configure for a typical Junos deployment.

Note

For further information on these and other configuration options, please review the Junos CLI tech doc references (http://www.juniper.net/techpubs) or the free Day One booklets (http://www.juniper.net/dayone).

Before you can commit a configuration, the root user must have an authentication method configured. When a Junos device ships the root password is empty. ...

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