[SOLVED] Proxmox Management + pfSense LAN on the same interface

Pycrs

New Member
Jul 7, 2022
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Hello,
I am interested if the following setup is a viable solution. I have proxmox host with 3 NICs => Onboard NIC - pfSense WAN, PCIe NIC #1 Proxmox management + pfSense LAN, PCIe NIC #2 Future pfSense DMZ network. What I am currently struggling with is setting up the NIC #1 so that when I'm connected to it, I can access the proxmox GUI and also get an IP from the pfSense's DHCP.

Thanks for any replies
 
What does your network config look like (cat /etc/network/intefaces)? Should be no problem as long as your PVE got its IP and gateway on the bridge that is connected to your "PCIe NIC #1" and that IP is part of your LAN subnet.
 
Here is what my network config looks like. I also forgot to mention that two NICs (DMZ and WAN) are passed through to pfSense. I added a Network device to pfSense - the bridge that was automatically created with the proxmox install.
 

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Wouldn't it make more sense to not passthrough the DMZ NIC? How should your guests on the PVE host access the DMZ otherwise?

10.0.0.1 is the pfsenses IP on the LAN subnet using a virtio NIC?
 
For this node I'm planning on just running the pfsense and pihole. I've got a different node for my actual services. Don't pay attention to the WAN IP, I have it connected to the home network.
 

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Then it should work from the PVE side. Maybe bad firewall setting inside the pfSense?
 
I can't get in the pfSense gui tho, can't even ping the pfSense 10.0.0.1 from the host which is very weird.

EDIT: Now that I deployed it, works flawlessly. I think the issue was me testing it with the same subnets and connected to the same network so there might have been some IP-related conflicts.
 
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