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🖥️ Proxmox Lab Setup Guide

This guide covers the networking setup for Proxmox and each of the VM used for this lab.

1. 🌐 Configure Network on Proxmox

Log in to Proxmox, select the Proxmox node, then navigate to:

System > Network

For this lab, two physical network interfaces (NICs) are used.

⚠️ Note: This setup can also work with only one physical NIC.

🔧 Bridge Configuration

  • By default, vmbr0 is already created.
  • Create an additional bridge interface named vmbr1.
  • Assign vmbr1 to any available physical interface (if using multiple NICs).
  • Enable VLAN Aware on both vmbr0 and vmbr1.

🏷️ Management VLAN

Create a Linux VLAN interface for managing Proxmox.

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2. 💻 Create Virtual Machines

Deploy the following VMs required for this lab:

  • 🛡️ OPNsense (version 26.1.5)
  • 🔐 Cisco ISE (version 3.3 Patch 10)
  • 📡 Cisco WLC (version 17.12.06a)
  • 🪟 Windows Server 2022
  • 📊 Zabbix Server (Ubuntu 24.04)

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3. 🔌 Configure Network Interfaces for Each VM

For each VM:

  • Go to VM > Hardware > Network Device
  • Configure interfaces as follows:

3.1 🛡️ OPNsense

  • net0 → Management (VLAN 100)
  • net1 → LAN
  • net2 → WAN / Internet

⚠️ Disable the Firewall option on all interfaces.

3.0

3.2 🔐 Cisco ISE

  • net0 → VLAN 10

3.1

3.3 📡 Cisco WLC

  • net0 → VLAN 20

3.2

3.4 🪟 Windows Server

  • net0 → VLAN 30

3.3

3.5 📊 Ubuntu Server (Zabbix)

  • net0 → VLAN 40

3.4

✅ Summary

This setup includes:

  • 🌐 Proxmox network configuration with VLAN-aware bridges
  • 💻 Multi-VM lab environment
  • 🧩 Segmented VLAN design for each system
  • 🛡️ OPNsense acting as the central network gateway