https://julien.merieau.ch/tags/mellanox/Recent content in Mellanox on Julien MérieauHugoen-gbTue, 25 Aug 2026 14:57:33 +0200https://julien.merieau.ch/posts/2025/01/seral-part.-1b-opnsense-router-25-gbps/Sat, 25 Jan 2025 00:00:00 +0000https://julien.merieau.ch/posts/2025/01/seral-part.-1b-opnsense-router-25-gbps/<aside class="prereq"> <p class="prereq-label">Prerequisites</p> <ul> <li>ISP that hands you <strong>native fibre</strong> (no GPON) — here: Init7</li> <li>USB stick, display, keyboard</li> </ul> </aside> <p>How to build and configure <strong>your own OPNsense router</strong> for a <strong>25 Gbps fibre</strong> link.</p> <aside class="callout callout--warn"> <p class="callout-label">Watch out</p> <div class="callout-body"> <strong>No GPON.</strong> If your ISP requires one, this setup will not work. </div> </aside> <h2 id="hardware">Hardware</h2> <h4 id="fibre-connection">Fibre connection</h4> <p>My ISP (Init7) does not use GPON. You plug in a fibre NIC and you have internet. Dedicated P2P fibre.<br> Result: no forced ISP box, a very stable fast link&hellip; and savings (no GPON). Well. Wait until you see the final bill.</p>