http://grey-x.net/tags/iproute2/ Recent content in Iproute2 on Cybersécurité Hugo fr Fri, 14 Aug 2026 11:52:00 +0200 http://grey-x.net/posts/les-commandes-ip-sous-linux/ Fri, 14 Aug 2026 11:52:00 +0200 http://grey-x.net/posts/les-commandes-ip-sous-linux/ <blockquote> <p><code>GREY-X // LINUX NETWORK LAB</code></p> <p><code>iproute2 — PRATIQUE</code></p></blockquote> <p>La commande <code>ip</code> est l&rsquo;un des outils essentiels pour administrer et analyser un réseau Linux.</p> <p>L&rsquo;objectif ici n&rsquo;est pas de mémoriser des commandes, mais de <strong>les utiliser dans des situations réelles</strong>.</p> <hr> <h1 id="01--voir-les-interfaces"> <code>01 // Voir les interfaces</code> <a class="heading-link" href="#01--voir-les-interfaces"> <i class="fa-solid fa-link" aria-hidden="true" title="Link to heading"></i> <span class="sr-only">Link to heading</span> </a> </h1> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#000;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>ip link </span></span></code></pre></div><p>Ou :</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#000;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>ip addr </span></span></code></pre></div><p>Observer :</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#000;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-text" data-lang="text"><span style="display:flex;"><span>interface </span></span><span style="display:flex;"><span>MAC </span></span><span style="display:flex;"><span>IPv4 </span></span><span style="display:flex;"><span>IPv6 </span></span><span style="display:flex;"><span>état UP/DOWN </span></span></code></pre></div><hr> <h1 id="02--activer--désactiver-une-interface"> <code>02 // Activer / désactiver une interface</code> <a class="heading-link" href="#02--activer--d%c3%a9sactiver-une-interface"> <i class="fa-solid fa-link" aria-hidden="true" title="Link to heading"></i> <span class="sr-only">Link to heading</span> </a> </h1> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#000;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>sudo ip link set eth0 up </span></span></code></pre></div><p>Désactiver :</p>