What is your "Final Answer" for secure Multi-tenancy in Proxmox?

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Isolation is a nightmare we all share. Whether you’re running a corporate lab or a private "multiverse," we’ve all been through the trenches of networking hell.

I’ve noticed that 84.7% of you clone this repo, but I know many of you are still holding onto your own "secret sauce."

I haven't included an "Other" option on purpose. I want to see where you stand among these primary schools of thought. If you’ve got a "Forbidden Technique" that doesn't fit here, I want to hear about it in the comments!

• Option 1: Piles of pfSense/OPNsense VMs (The "Resource Eater" way)
  • Valid but heavy. One firewall per tenant. It's robust, but your RAM might cry.
• Option 2: Manual VLAN tagging & praying (The "Heart Attack" way)
  • For the purists. Managing VLAN IDs by hand. One typo in the switch config and the whole house of cards falls down.
• Option 3: Genuine Proxmox SDN + nftables (The "Clean & Pure" way)
  • The minimalist approach. Leveraging the host's native power without extra overhead.
• Option 4: Zelogx MSL Setup (The "Multiverse" way)
  • The automated approach. Full L2 isolation and VPN gateways delivered on a silver platter.

📜 Ground Rules (Don't get too wild!):

• Respect the Wizardry: Every architecture has its place. Whether it's a massive pfSense cluster or a complex manual VLAN setup, we respect the effort behind it.
• No Shaming: Don't call someone's setup "wrong." If it works for their use case, it’s a win.
• Share the Why: If you vote for Option 2, tell us why you prefer the manual touch! We’re here to learn, not just to argue.
  Let the debate begin! What are you running in your basement or your rack? 👇