Tag: Networking

ONIE Partition Exists Fix

I recently ran into an issue where I had uninstalled Onyx on my switch and I was trying to reinstall it but couldn’t because I was getting an error. Below is an example of the error. partition exists – please uninstall firstEXT4-fs (sda3): couldn’t mount as ext3 due to feature incompatibilitiescp: write error: No space…

Upgrade Palo Alto HA Pair (Active/Passive) with CLI

I’m a big fan of CLI, I love to use it when I can, it always feels more complete and absolute. A while back I posted how to Upgrade Palo Alto Firewall HA Pair (Active/Passive) in that post I only covered the GUI method this post will detail how to complete everything with CLI only.…

ONIE and Onyx (MLNX-OS) Install

Switches that support ONIE (Open Network Install Environment) are amazing switches because you can just change which NOS (Network Operating System) you are running relatively easily. ONIE was created by Cumulus Networks in 2012. In 2020 Nvidia bought Cumulus just after purchasing Mellanox the year before. I will detail step-by-step how to install ONIE and…

FortiGate Policy Mode vs Profile Mode

By default all Fortinet FortiGates are in Profile-based NGFW mode. There is nothing wrong with the default mode. However, I personally prefer policy mode more. Profile mode works like most firewalls like SonicWall, pfSense and UniFi for example. All your rules are based on ports. Policy mode works like Palo Alto Networks firewalls. All your…

Palo Alto Predefined IP Commit Error Fix

In this post I will detail how to resolve the Palo Alto commit error when trying to commit a predefined IP list. Below is an example of the error Validation Error:external-list -> Palo Alto Networks Tor exit IP Addresses -> type -> predefined-ip -> url ‘panw-torexit-ip-list’ is not a valid referenceexternal-list -> Palo Alto Networks…