VLAN Setup from Scratch: OPNsense + Proxmox + Switch (Complete Guide)

In this video, I’ll walk through a complete VLAN setup—from the firewall (OPNsense) to the managed switch (Cisco SG220) to the hypervisor (Proxmox). If you’ve been struggling to get VLANs working in your home lab or lab environment, this step-by-step tutorial has got you covered. JOIN THE COMMUNITY / FELLOW ME --------------------------------------------------- Discord:   / discord   Subscribe to Newsletter: https://koromatech.com/newsletter/ Instagram: @koromatech Twitter: @koromatech Facebook: @koromatech TikTok: @koromatech SUPPORT KOROMA TECH --------------------------------------------------- Buy Me Coffee☕: https://buymeacoffee.com/koromatech Amazon Storefront: https://amzn.to/4qfvgLT TIMESTAMPS/CHAPTERS --------------------------------------------------- 00:00 – Intro & What to Expect 00:37 – What is a VLAN (Quick Recap) 01:45 – Planning Your VLAN Layout (IDs, Names, Subnets) 03:07 – What Equipment You Need 04:59 – Creating VLAN Interfaces (OPNsense) 07:36 – Assigning & Enabling VLAN Interfaces (OPNsense) 08:54 – Setting Static IPs for VLANs (OPNsense) 12:02 – Enabling DHCP & DNS for VLANs (OPNsense) 16:12 – Creating Basic Firewall Rules (OPNsense) 21:03 – VLAN Configuration on the Cisco Switch 23:54 – Tagging Ports for Proxmox & Firewall 32:03 – Proxmox Setup: VLAN-Aware Bridge + VM Tagging 35:40 – Testing Connectivity 38:28 – Blocking Inter-VLAN Traffic (OPNsense) 44:28 – Final Overview RESOURCES / LINKS: --------------------------------------------------- Blog Post: https://koromatech.com/vlan-setup-fro...    • Proxmox Networking Explained: How Bridges,...   KEYWORDS & TAGS --------------------------------------------------- #VLAN #OPNsense #Proxmox #Networking #Homelab #Firewall #SwitchConfiguration #DevOps #ITInfrastructure #QuietEngineer #ServerSetup #Automation #NetworkSecurity “VLAN Setup from Scratch: OPNsense + Proxmox + Switch (Complete Guide)” “How to Configure VLANs from Scratch with OPNsense, Proxmox & Managed Switches” “VLANs Made Easy – Full Setup Using OPNsense Firewall and Proxmox” “Homelab Networking: VLAN Configuration on OPNsense, Proxmox & Switch” “Step-by-Step VLAN Setup | OPNsense + Proxmox + Switch Integration” “Proxmox VLAN Configuration Explained | OPNsense & Switch Setup Guide” “Secure Network Segmentation with VLANs | OPNsense + Proxmox Tutorial” “Building a VLAN-Ready Homelab – Complete OPNsense and Proxmox Setup” “Quiet Engineer Log: VLANs from Scratch with OPNsense, Proxmox & Switch” “Ultimate VLAN Setup Guide for Homelab & Small Business Networks”