/tags/updates/ Recent content in Updates on Denis Nolan Hugo -- gohugo.io en © 2026 Denis Nolan Wed, 15 Oct 2025 11:56:41 +0100 /posts/2025/updating-juniper-mx-with-usb/ Wed, 15 Oct 2025 11:56:41 +0100 /posts/2025/updating-juniper-mx-with-usb/ <p>Sometimes you have a Juniper MX router that may have firmware version from a number of years ago. Juniper usually can update at most 3 versions ahead. So for example you can potentially upgrade a device from Junos 21.3 to 23.3. However should your version be 20.1, you&rsquo;re advised to upgrade to a version within the 3 max hops.</p> <p>The alternative is to upgrade straight away using a USB key especially as it is a cleaner install and quicker all round. In my experence that is.</p>