opnsense

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    Help with High CPU Usage in OPNSense/Pfsense VM inside Proxmox

    Hi everyone, I'm experiencing an issue with high CPU usage in my OPNSense VM running inside Proxmox and could really use some help. Setup Details: Host Configuration: Proxmox Host 64 GB RAM Intel i7-8700 (mitigations=off) IOMMU enabled (iommu=on and iommu=pt in /etc/kernel/cmdline) Proxmox...
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    SDN Networking Involving VPNs

    Hello All, I've been working on separating my virtual machines and containers from my home network. I've successfully set up a simple SDN zone to serve as an isolated network, achieving my primary objective. Now, I aim to route all traffic from this SDN through a VPN tunnel to a cloud-hosted...
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    VXLAN & *sense with a cluster

    Hi all, I hope you are doing well. I’ve been researching for an answer or best practices but couldn’t really find a good solution or something straightforward. I have a 4 node cluster made up of small/tiny desktop PCs with each having a single NIC. Each PC connects directly to my home router...
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    [TUTORIAL] VLAN für ein Test-Subnetz

    Hallo zusammen, Aus meiner Ursprünglichen Problemanfrage wird nun ein kleines Tutorial und hoffe den einen oder anderen damit helfen zu können. Ziel ist es an einem oder mehreren der Ports des Switches ein anderes Subnetz für Testzwecke oder ähnliches anzubieten. Zum Einsatz kommen Switche...
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    Proxmox GUI delay connection after reboot OPNsense VM

    Hello, I bought firewall device Protectli VP2420, a 4 x 2.5 Gigabit port Firewall appliance... Loaded it with RAM (32GB), SSDs, installed debian 12 and proxmox... Virtualized OPNsense with PCIe passthrough of 3 NICs to OPNsense VM... the 4th NIC is connected to switch as proxmox gui / ssh to...
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    Is this normal cpu usage for OPNSense running iperf3?

    Here I'm running latest Proxmox 8.1 on Intel N100 with 4 Intel i226V nics with newest 6.8 kernel. I have assigned PCI passthrough for OPNSense VM for this NIC. I seem to be getting proper 1GB speeds from another machine connected to same switch so this is not a problem. Left is 'top' command...
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    VM von außen nicht erreichbar

    Hallo zusammen, ich habe folgendes Netzwerkschema: Der Proxmox-Host erreicht alle Endgeräte. Ich kann also über den vswitch (Hetzner) sowohl die Cloudserver erreichen als auch die VMs. Vom Cloudserver aus erreiche ich den Proxmox-Host, aber nicht die VMs. Die Routen sind in beiden...
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    [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...
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    Hetzner - running 3 Proxmox hosts behind dedicated firewall

    Hello everyone, This is a question about possibilities, because I cannot seem to find anything like this when searching. This may be more of a Hetzner issue but it looks like folks on here are pretty well versed in Hetzner so I am hoping someone has some ideas. The premise: I am attempteng...
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    LXC Container, VLAN und SYN/ACK packages

    Hallo allerseits, ich betreibe Proxmox auf einem Mini-PC und OPNsense auf einem weiteren. Beide sind über einen Zyxel managed Switch miteinander verbunden. Es gibt ein Management VLAN5 und 2 weitere (VLAN10 und VLAN20). Auf Proxmox sind 4 VMs konfiguriert. Jeweils 2 in einem der beiden VLANs...
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    New Proxmox Setup with OPNSense Advice needed

    Not sure if this is the right place to post this... moderator do let me know if this is not appropriate. I have ordered a CPU N100, 16GB DDR5 Ram, 118GB P1600X Intel Optane SSD, 4 Ports Intel i226. Currently I also have a 3 Nodes Clusters. With only 2 Nodes running at a time, 1 running my...
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    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...
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    SDN EVPN external gateway

    Hello, we try to build a PVE Cluster with a EVPN VXLAN SDN. The configuration for the VM to VM Communication is working, also SNAT with the Subnet Gateway is working. Now we try to replace the subnet gateway with an external OPNsense, so that the OPNsense can provide all required network...
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    [SOLVED] OPNSense VM with Suricata IPS service crashes [how-to-fix]

    This how-to-fix post to inform people on how Suricata crashes with OPNSense on Proxmox (any version) can be remediated. The advisories here may not be suitable for production environments, I trust you know this already. Context VM-hardware has Q35 chipset and uses virtio network interfaces...
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    Cannot configure vtnet (virtio) slot size in OPNSense network adapter

    Hello. I'm having a bit of trouble getting an opnsense virtual machine to respect settings for TX and RX slots of my network interfaces as set in the host. I have optimized my network configuration for opnsense by following many of the recommendations on this forum and other Internet sources...
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    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...
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    [SOLVED] Problems with IPv6 passthrough, can reach vm, but vm cant reach proxmox nor the internet.

    Hi, i currently have some issues with ipv6. My plan is to create a setup like this: "proxmox <-> opnsense <-> vms". I'v allready successfully setup ipv4 with nat and all stuff, which works fine, but i would also like to use ipv6. With my current setup i can reach opnsense with it's ipv6 from...
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    OPNsense not getting WAN IP

    I'm switching over from an Omada router to OPNsense. I have it installed as a virtual machine with Proxmox. LAN seems to be working fine, but I can't get a WAN IP address. I don't believe that my ISP requires that I provide them with the new mac address because I've switched routers in the past...
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    [SOLVED] Strange issues with Proxmox and OPNsense on Hetzner root-server

    We have quite a few installation running OPNsense on Proxmox and they all run fine. Since a couple of months we also have one instance on a Hetzner root-server (EX101, Intel Core i9-13900) that causes me a lot of headaches and I still cannot figure out the cause for these issues: - getting the...
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    Proxmox & OPNsense - 10% of the performance vs. Bare Metal, what did I do wrong?

    Hi all, having some problems which I hope I can resolve because I *REALLY* want to run Proxmox on this machine and not be stuck with just OPNsense running on bare metal as it's infinitely less useful like this. I have a super simple setup: 10gb port out on my ISP router and PPPoE credentials...