opnsense vm

  1. T

    Making multiple virtual ports available to Proxmox

    Hello, I've seen threads asking what I'm about to ask, but the answers don't really make sense. Usually it's just "oh I figured it out and did this". What that tells me is that the way I am thinking about this is wrong so I am going to be quite specific. I'm used to working with/writing...
  2. S

    opnsense on Proxmox, replacing Unifi UDR as primary router, is this NIC bridge config right?

    I'm replacing my broken Unifi UDR with a N100 fanless box running Proxmox 8.2.2 and OPNsense 24.1. The N100 box has 4x dedicated Intel 226 NICs and 1x Console port. I have a ADSL2+ modem connected to eth0 as WAN (my internet is 80MbpsDown/16Mbpsup, but planning on getting 1G up/down fibre in...
  3. J

    Proxmox VLAN Help - Virtual OPNSense router with hardware switches not working.

    I have a proxmox host with two interfaces, one for WAN connectivity and one for the LAN, with a OPNSense firewall VM on proxmox. I have several VLANs in place which up until now, have solely segregated VM traffic and worked well. However, I now want to include non-virtualized devices in specific...
  4. H

    Give Proxmox access via one of its VMs

    Hello, i bought an x86 appliance that have 6 x 2.5 Gb NIC my plan is to virtualize OPNSense as Router and other services ( like HA ) I've installed proxmox and OPNSense with the current configuration NIC0 : Static ip ( used for access proxmox in case of failure ) -> NIC1: OPNSense...
  5. L

    Migration from linux bridge to ovs - doesn't work

    Hi, I would like to migrate two NICs - i226-V (facing LAN) to OVS mainly due to RSTP functionality. Bridge in question is vmbr23 and is used for all VMs including, OPNsense VM as interface to LAN. After applying changes - I use this as delayed fallback: ifreload -a; (sleep 120; cp...
  6. J

    [SOLVED] opnsense 10gbit performance and throughput limitation

    HI I want to enhance my home server infrastructure with an advance firewall solution based on opnsense, pfsense or ipfire in a virtualized enviorment based on proxmox. As this would allow my do this in a power and cost effiecent way, while still allow me to utilizing the 10G connection from my...
  7. A

    OpnSense not getting WAN IP from modem

    Hi, posting to ask for help. I've been reading a bunch of different posts and trying different configurations without any success. I'm trying to setup my proxmox node to run OpnSense as a VM and use it as router and firewall. The main problem is that the WAN does not assign an IP from my modem...
  8. D

    WebGUI access on different nic after opnsense install

    Please excuse me here if this is actually a opnsense problem and not a proxmox issue. I have a new install that has one vm which is opnsense. I have the following in my /etc/network/interfaces auto lo iface lo inet loopback iface enp3s0f0 inet manual iface enp3s0f1 inet manual iface...
  9. R

    [SOLVED] How to do VLAN networking with virtual OPNsense

    Hello. I am trying to set up an OPNsense box running as a VM in proxmox. This OPNsense box needs to be my gateway/firewall for all of the VLANs on the LAN. I am however a little confused on a couple of things. Up until now I have tried to set this up with a single vlan aware linux bridge. I...
  10. E

    OPNsense VLANs Tagging mit nur einer NIC

    Hallo, ich bin neu hier und allgemein in der Linux und Proxmox - Welt, aber auch allgemein in der IT. Es fehlt mir sowohl an Netzwerk Kenntnissen, als auch Proxmox. Dennoch würde ich gerne meine Konfiguration zu zeigen und nach einem Rat fragen. Mein Setup ist ein PC mit nur einem physischen...
  11. C

    Problems with VLANs on (OPNsense) VM: I need a sanity check

    Preface I am not sure if the problem lies with configuration in proxmox, or in the OPNsense configuration. I started on this forum because I have a feeling it has to do with virtualization, but mainly because I am not as familiar with it. The Goal & current configuration An OPNsense setup on...
  12. T

    Virtualising OPNSense on a Proxmox cluster – Chicken vs Egg

    I would like to virtualise my OPNSense router, but I can’t get my head around how the network and my 3 node Proxmox cluster would deal with this. For example to setup a Proxmox cluster you need the machines to already have IP addresses and a working DNS. In my case the servers are also dropped...
  13. C

    Running OPNSense on Proxmox on a Protectli FW4B (without IOMMU)

    Hello everyone, NOTE: in my message below, I make assumptions and guesses based on my research, but it’s very possible it’s full of mistakes and misunderstandings on my part…o_O To preface: I am pretty new to OPNsense (although I had just a bit of experience with pfSense), and entirely new to...
  14. T

    [SOLVED] VM uses LACP with vmbr

    Hello, I have a "Problem". My Physical Opnsense hardware reached its End-of-Life. So I need temporary to Virtualize my Opnsense. When I import my Opnsense Config, my Network doesn't work. I now investigated and found, its a Problem with my Lagg config. Its set to LACP which I didn't get to run...
  15. M

    Help with VM start-up error QEMU. with PCI passthrough,

    HELP Cant get this thing working. Trying to get my NIC into a PFsense-OPNsense VM. Once I get the VM started without, but once I add any of the X520-DA4 ports to the VM it no longer starts. I am getting a QEMU error code 1. Other VM's I plan on adding, once I get the router going. IOMMU is...
  16. I

    Chelsio NIC und Virtual Functions

    Hallo zusammen In den letzten Tagen habe ich mit mit SR-IOV, VF und IOMMU beschäftigt, leider stehe ich gerade etwas an und brauche Eure Hilfe. Mein Ziel ist es OPNsense zu virtualisieren (Proxmox 7.4) und die VF einer Chelsio T520-SO-CR zu nutzten. Allerdings scheitere ich dabei, die numvfs...
  17. T

    Unable to forward Onboard NIC to OPNSense

    Hello there! I just started using Proxmox VE 7.4 (6.2) as of last week with a Lenovo ThinkCentre M900 Tiny I got off Amazon Renewed, mainly for the purpose of running it as an OPNSense router and as a host for Home Assistant OS, plus a few Docker containers. So far, I've been able to install...
  18. N

    [SOLVED] Single connections to VMs limited to 10mbps, but multi-threaded iperf gets the full bandwidth

    pveversion: # pveversion --verbose proxmox-ve: 7.4-1 (running kernel: 5.15.107-1-pve) pve-manager: 7.4-3 (running version: 7.4-3/9002ab8a) pve-kernel-5.15: 7.4-2 pve-kernel-5.15.107-1-pve: 5.15.107-1 pve-kernel-5.15.104-1-pve: 5.15.104-2 ceph-fuse: 14.2.21-1 corosync: 3.1.7-pve1 criu...
  19. Z

    [SOLVED] PCI passthrough causes Proxmox host to crash

    Hello, I was trying to install an OPNsense VM on a host with Proxmox. I installed it fine and then went to configure it and everything was still working. I noticed that after I added a PCI device (NIC) as passthrough the host started crashing as soon as the VM was booting which means that if...
  20. J

    Can't get memory properly passed to OPNsense VM

    Hello everyone, I'm not used to the forum and it's rules so very sorry if make a mistake or if my thread is not at it's right place... So I have an issue with a little pve host that is actually a sort of mini network oriented computer with 4NICs and the following CPU : 4 x Intel(R) Celeron(R)...


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