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Introduction
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Introduction
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Introduction
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Overview
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Common Settings
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Bridging
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Routing
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<h1 id="introduction">Introduction<a class="headerlink" href="#introduction" title="Permanent link"></a></h1>
<p><a class="glightbox" data-type="image" data-width="100%" data-height="auto" href="logo.png" data-desc-position="bottom"><img align="right" alt="Infix - Linux &lt;3 NETCONF" src="logo.png" width="480"></a></p>
<p>Welcome to Infix, your immutable, friendly, and secure operating system!
On these pages you can find both user and developer documentation.</p>
<p>Most topics on configuring the system include CLI examples, but every
setting, as well as status read-back from the operational datastore, is
also possible to perform using NETCONF or RESTCONF. In fact, the Infix
regression test system solely relies on NETCONF and RESTCONF.</p>
<div class="admonition tip">
<p class="admonition-title">Tip</p>
<p>The CLI documentation is also available from inside the CLI itself
using the <code>help</code> command in admin-exec mode.</p>
</div>
<p>This document provides an introduction of key concepts, details how
the system boots, including failure modes, and provides links to
other documents for further study.</p>
<h2 id="command-line-interface">Command Line Interface<a class="headerlink" href="#command-line-interface" title="Permanent link"></a></h2>
<p>The command line interface (CLI, see-ell-i) is the traditional way of
interacting with single network equipment like switches and routers.
Today users have come to expect more advanced graphical GUIs, like a web
interface, to manage a device or NETCONF-based tools that allow for
managing entire fleets of installed equipment.</p>
<p>Nevertheless, when it comes to initial deployment and debugging, it
is very useful to know how to navigate and use the CLI.</p>
<div class="admonition info">
<p class="admonition-title">Info</p>
<p>For more information, see the <a href="cli/introduction/">CLI Introduction</a>
and the <a href="cli/configure/">CLI Configuration Tutorial</a>.</p>
</div>
<h2 id="key-concepts">Key Concepts<a class="headerlink" href="#key-concepts" title="Permanent link"></a></h2>
<p>The two modes in the CLI are the admin-exec and the configure context.</p>
<p>However, when logging in to the system, from the console port or SSH,
you land in a standard UNIX shell, Bash. This is for advanced users
and remote scripting purposes (production equipment):</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a> Run the command 'cli' for interactive OAM
<a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a>
<a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a> admin@example:~$
</code></pre></div>
<p>To enter the CLI, follow the instructions, for interactive Operations,
Administration, and Management (OAM), type:</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a> admin@example:~$ cli
<a id="__codelineno-1-2" name="__codelineno-1-2" href="#__codelineno-1-2"></a> admin@example:/&gt;
</code></pre></div>
<p>The prompt, constructed from your username and the device's hostname,
changes slightly. You are now in the admin-exec context of the CLI.
Here you can inspect system status and do operations to debug networking
issues, e.g. ping. You can also enter configure context by typing:
<code>configure</code> followed by commands to <code>set</code>, <code>edit</code>, apply changes using
<code>leave</code>, or <code>abort</code> and return to admin-exec.</p>
<div class="admonition tip">
<p class="admonition-title">Tip</p>
<p>If you haven't already, the <a href="cli/introduction/">CLI Introduction</a>
would be useful to skim through at this point.</p>
</div>
<h2 id="datastores">Datastores<a class="headerlink" href="#datastores" title="Permanent link"></a></h2>
<p>The system has several datastores (or files):</p>
<ul>
<li><code>factory-config</code> consists of a set of default configurations, some
static and others generated per-device, e.g., a unique hostname and
number of ports/interfaces. This file is generated at boot.</li>
<li><code>failure-config</code> is also generated at boot, from the same YANG models
as <code>factory-config</code>, and holds the system <em>Fail Secure Mode</em></li>
<li><code>startup-config</code> is created from <code>factory-config</code> at boot if it does
not exist. It is loaded as the system configuration on each boot.</li>
<li><code>running-config</code> is what is actively running on the system. If no
changes have been made since the system booted, it is the same as
<code>startup-config</code>.</li>
<li><code>candidate-config</code> is created from <code>running-config</code> when entering the
configure context. Any changes made here can be discarded (<code>abort</code>,
<code>rollback</code>) or committed (<code>commit</code>, <code>leave</code>) to <code>running-config</code>.</li>
</ul>
<div class="admonition tip">
<p class="admonition-title">Tip</p>
<p>Please see the <a href="branding/">Branding &amp; Releases</a> document for more
in-depth information on how <code>factory-config</code> and <code>failure-config</code> can
be adapted to different customer requirements. Including how you can
override the generated versions of these files with plain per-product
ones -- this may even protect against some of the failure modes below.</p>
</div>
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