network configuration

  1. Switch NUC hardware - network does not start

    I had a working PVE node in a cluster on a NUC11TNKi3 NUC w/ 32GB RAM and a 2TB nvme drive. I removed the nvme drive and stuck it in a NUC10i7FNK w/ 64GB RAM. I have confirmed the NUC10i7FNK works with a fresh install of PVE but I need the existing nvme. The NICs leds don't blink (no link and...
  2. avonnieda

    [SOLVED] Interface name changed from enp2s0 to eth0 after update from 7.3.-4 to 7.4-3 / reboot

    After apt-get update apt-get dist-upgrade Did the following to get things rolling again, just posting this in case someone else runs into the same. If I should have done something differently, please let me know! Solution: In file: /etc/network/interfaces, changed two lines where enps0...
  3. Network is unreachable after installation. unable to access the web GUI

    Hi everyone, quite exhausted at this point. I have a 2018 Macbook pro laying around collecting dust. And no one will buy it from me, considering what a crappy machine it is by today's standard. It has 32GB RAM, a radeon Graphics card and a 2.9 gigahertz processor. I figure this would be a great...
  4. Overlapping WAN's in firewall

    Hello This is currently my network configuration. I am using my public ip .116 for my PVE e, another public ip .118 as a NAT network for my VMs. The public ip .118 is connected to the firewall as WAN and the firewall then controls all the traffic. Now on the firewall I would like to also add...
  5. Changing the IP address and subnet in all cluster nodes

    Good evening everyone! I have a production cluster with 5 nodes. All of the nodes have one network card with: A dedicated public IP address on eno1. A vmbr4001 bridge for the public subnet of the guests (LXC). A vmbr4002 bridge for the private subnet of the guests (LXC). A vmbr4003 bridge for...
  6. Windows VM doesn't have valid IP

    Can you please help me whats wrong with windows VM i created on proxmox? it's showed no valid ip on network and no internet. I already install all virtio drivers and qemu agent. already created linux bridge on vmbr0. But i confuse why VM assigned different ip address on ipv4 instead of vmbr0 i...
  7. [SOLVED] VLAN works form host itself but not on VM

    Hello Forum I have searched the forum for an answer for about a month now, but I am unable to find one, or a similar solution to my problem. Recently I made the decision to migrate to Proxmox as hypervisor after using VMware since 2012. It goes very well. I’ve got an LXC container running and...
  8. Native VLAN

    Hello. Is it possible to change Native vlan to something else than 1? If so, just globally, or is it possible to make it per VM?
  9. vmbr0 Loosing Inbound Traffic

    Hello! New to Proxmox and forums (experienced in other HA hypervisors). I just setup a 2-node cluster and I've been having some networking issues. I have two interfaces (enp1s0f1 primary & enp1s0f0 backup) in an active-passive bond (bond0). I then setup vmbr0 on bond0 and vlan2 onto vmbr0...
  10. Network Configuration Problems

    Hello¡ Could please someone help me with thiss issue? I have 2 servers with proxmox, in 1 I have virtual machines and the other is empty, what happens is that when I ping a virtual machine from server 1, I don't know why it wants to connect to the ip address of my server 2. And it creates...
  11. [SOLVED] Creating a Template from an image and configuring Network

    Hello, I have a Proxmox VE Server at Hetzner that I need to use for KVM virtualization (I have a /26 subnet). I want to create templates that will be later on used to fully clone then VM provisioning with Cloud-init. My first question: I am creating a VM from an Ubuntu Cloud Image. Upon boot...
  12. Proxmox VE is unreachable via desktop

    I've recently got my hands on a PowerEdge R620, so I installed Proxmox for my homelab setup. However, I cannot reach the web based VE from desktop. Troubleshooting steps I've tried: Used different browsers/cleared cookies/used a private window Flushed DNS, released/renewed IP, rebooted on...
  13. two public IPs for one server with one nic

    Hello guys, Couldn't delete this post, so I corrected it in place. got a "little" issue with 1:1 Nat on pfsense/opnsense, feels like one little piece on the proxmox side is missing. I hope someone can point me into the right direction. From hetzner, I ordered a second public IP address, which...
  14. please delete this post

    I installed ifupdown2 with apt install ifupdown2 and it installed from debian repos instead of proxmox. now, network connectivity is lost, and my server cannot boot from HD. I just have access to rescue mode. I tried Code: apt update && apt dist-upgrade , but still server could not restart...
  15. please delete this post

    Hi there, I installed ifupdown2 and now server cannot restart in HD mode, It is in rescue mode and all network configuration is gone. interfaces and interface.d/ is empty. How can I revert back the network configuration or please instruct on how to create a configuration file. Thanks.
  16. I want to use RDP to connect to Windows VM running on a Proxmox server.

    How may I use Microsoft Remote Desktop to connect to a Windows VM hosted on Proxmox VE? I have the Windows VM hosted on a Proxmox server. The network configuration, as far as I can tell, goes like this: WAN ----> WiFi Router/Switch ----> Switch to NIC #1 (enp0s25) on server ----> enp0s25 to...
  17. Can't connect to the network after NIC change

    Hi everyone, I've been doodling around with Proxmox for a couple of months and, sadly, I've recently lost the onboard Ethernet port on the PC I'm using as a server, the same I used for the initial configuration. I have handy a USB to Ethernet adapter which is being detected via lsusb but I...
  18. Configure different networks on PVE

    Hello everyone I struggle a bit to configure my proxmox network. Basically, I need to create a network different to my physicall network where I can put vms that can communicate together like "host - network " in VMWare. Here is the scenario: Let say I have two vms: the first one(FortiGate)...
  19. Invalid ARP responses cause network problems

    While I have solved the issue, I hope this is helpful to others who run into the same problem. Also, it would be great if someone could verify that this is a sensible approach. Recently, we would lose the network connection to our PVE servers on a semi-regular interval. Virtual machines on that...
  20. Frage zur Netzwerk Konfiguration

    Hallo Community, ich bin warscheinlich der erste mit den problemen. Ich habe schon stunden damit verbracht eine Lösung aber die haben immer damit geändet das ich mich nicht mehr mit meinem Server verbinden konnte weshalb ich den dann neu aufsetzen musste oder die ändern einfach nichts bewirken...

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