1. O

    Proxmox doesn't boot

    Hi, some months ago I set up my own Proxmox server at home on a PC and everything worked for weeks. But recently I haven't used the server a lot so some days ago I again wanted to start the server but I wasn't able to access it from the browser. Then I checked my home network and i realized...
  2. D

    [SOLVED] VM with Ubuntu 22.04.3 can't update

    Hi. I've got my proxmox server with 2 VM: ubuntu 20 and ubuntu 22. They are all in the same NAT vmbr1. Ubuntu 20 have network connection and i can update system sudo apt update. But ubuntu 22 can't connect to ubuntu servers and download data. What could be the problem? P.S. I can connect to...
  3. 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...
  4. K

    Why is my PVE IP showing in firewall logs when I attempt to join from a public IP ?

    Hello, I'm quite new to Proxmox and there is something I don't get. I've just done some firewall rules (filtering public IPs who can access a specific VM on specifics ports). But when I attempt to test unauthorized IPs, I can access my resources (which isn't supposed to be normal). When I see...
  5. W

    Poor network performance in LXC container

    Hello. Yesterday we migrated our Proxmox VPN server from QEMU virtualization to an LXC container, and when we connected to the VPN and measured the speed on, the download speed was 0.98 Mbps, less than 1 Mbps. Upload speeds were about 30 Mbps, which was typical. When running with...
  6. P

    Setup frontend/backend network with multiple external IPs

    Hello, I plan to setup the same Network configuration as on Google Cloud Compute Engine with VPC, with Proxmox. I need 3 VMs: A, B, C A is in a private network, has no access to the Internet, but can talk with B and C B is in different private network and has its own "external" IP Adress. C...
  7. M

    Proxmox Netzwerkkonfig

    Moin, hab da mal ne Frage bin noch relativ neu und will eine Windows VM in Proxmox einrichten. Nun habe ich dafür eine Bridge erstellt. Meine Netzwerkkonfig sieht dann so aus (nicht auf die anderen Netzwerkkarten schauen, sind irrelevant) : Die Konfig der Bridge sieht dann so aus: Nun...
  8. M

    ixgbe: passing parameters doesn't work?

    I'm trying to use the parameter allow_unsupported_sfp=1. One of the SFP modules i'm trying to use is probably not officially supported. I've tried it in/with: - /etc/modprobe.d/ixgbe.conf - /etc/default/grub - modprobe All with no result. Also tried it with parameter debug=16 to find out if it...
  9. I

    Network card not recognized properly

    Hi, I got a NetXtreme BCM5720 Gigabit Ethernet network card in my server that features two interfaces. Only one of them is recognized and working. I want to configure both in a network bond. lshw -class network root@pve:~# lshw -class network *-network:0 UNCLAIMED description...
  10. J

    [SOLVED] Proxmox 8 - Network failure right after installation

    Hello everyone, I have some interesting times lately. We had no problems with Proxmox 7 and everything was working and so we wanted to try new version 8. Installation went ok, both network ports were working during installation and data were flowing, but right after the restart after successful...
  11. G

    Connecting to proxmox over direct ethernet link

    I just ordered a Lenovo ThinkCentre M900 Tiny to do some homeserver stuff. Its my first encounter with this kind of software. As we are in the summer holiday i live like a nomad, switching between different houses. I would like to be able to connect my M2 macbook pro trough a Ugreen usb hub...
  12. B

    Container's have no internet connection

    Hey there, so i recently setup proxmox on my newly aquired dedicated server and im facing a small issue where the created container can't ping ANYTHING except itself (which is obvious) // Node Network Settings // Container...
  13. T

    How to edit /etc/network/interfaces (with Ansible) correctly

    Hello Proxmox community, I'm currently trying to manage network interfaces in Proxmox VE using Ansible, and I'm running into a problem where the changes I make don't persist as I would expect. I have read the official Proxmox documentation and am aware that Proxmox VE does not write changes...
  14. L

    Redundant network links to storage

    Proxmox cluster consisting of 3+ nodes and TrueNAS storage. NFS share for VM disks and CT volumes. Dedicated network for storage access. Connected via 10G fiber switch and interfaces. We have experienced a failure when link between node and storage was down. All the linux guests continued to...
  15. T

    NAT from real ip

    Hello, This is my first time trying to setup proxmox VE, I want to route traffic to VMs via one real IP i have. I did the following to my /etc/network/interfaces: auto lo iface lo inet loopback auto ens2f0 iface ens2f0 inet static address gateway...
  16. U

    [SOLVED] LXC: 'network is unreachable' on some templates

    Hello! I have recently set up a PVE 8.0 workstation, with the following network configuration: [WAN] | [router] | (enp3s0) | [[PVE host]] / \ (vmbr0) (vmbr1) | / \ [OPNsense VM] [all VMs and CTs] where vmbr0 is a...
  17. J

    [New Installation] Proxmox 8.0 - Network interfaces down and cannot be brought up

    Hello, I installed Proxmox 8.0 on a newly built PC and I cannot ping anything from my proxmox machine. The new machine has a dedicated 4 port Intel Nic (not sure if that makes a difference or not) When I installed Proxmox, the DHCP server gave the ip Here is a screenshot of...
  18. U

    ESXi->Proxmox, 1G->10G Planning

    Hi, i want to migrate from ESXi (Essentials) to Proxmox and while there i'm thinking about switching to 10G for the main cluster. Reasons: - replication/migration for Proxmox goes faster (only needed for 2-4 VMs right now) - i use CARP for failover alot, so there are machines running on both...
  19. U

    Unable to Reach VM Web GUIs

    Please forgive me in advance. I'm fairly new to Proxmox and I am overcoming some new user issues... I have a single Proxmox PVE 8.0.3 server. On it I have 1 VT (Debian12-Jellyfin) and 3 VMs (Ubuntu-TrueNAS, FreeBSD-OPNsense, and WinServ2022-BlueIris). OPNsense is on a separate NIC card and the...
  20. F

    Internet Connection Issues with Bridges and VLAN Tags

    Hi all, running into issues where the VMs will lose access/no longer able to connect after toggling connection, rebooting, etc. The VMs are able to receive an IP (static and leased) and I'm able to ping them from other devices (vice-versa), but I am not able to reach the internet. Any...


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