network configuration

  1. O

    I have an issue with the connection

    Hello, I have an issue with the connection. Explanation: I installed Proxmox VE 8.3 and completed the initial setup (following the installation guide). The device rebooted and redirected me to http://192.168.x.x. The problem is that it takes a long time to load, but nothing happens — the...
  2. S

    Configuring 2 VLANs across 2 interfaces

    I upgraded to a new server which has dual 2.5gbit NICs and I'm running VE 8.3.5. My router/firewall is a Unifi Dream Machine Pro and I recently switched to Zone networking. I'm looking to configure networking for this host as follows: The two NICs are bound together for load balancing Two...
  3. K

    Proxmox disable NIC after some period of time?

    Fresh install of Proxmox (version 8.3.5) on a Dell T620 with 256 GB of Memory on a 1TB SSD. Boot sequence is great and I am able to reach the Proxmox web GUI, but after some amount of time initially it was 30ish minutes now it seems to get to about 6-12 hrs then the ethernet connection is...
  4. F

    Proxmox isnt connecting to network after new NIC R730XD

    I recently upgraded my NIC to a 4 port 10GBE. after this nothing network related and I have looked at multiple other times this happened on the forums and none of them helped. I have uploaded photos of some of the things that I commonly see requested. All of my CT and VM are booting up but not...
  5. D

    [SOLVED] An app having trouble binding ports when installed on host

    I'm trying to get coolercontrold up on my PVE instance. When installed on host and initialized, logs output: IPv4 bind error: Could not bind to standard IPv4 loopback address on port 11987 Is there any sort of firewalling measure on PVE that could potentially cause this?
  6. D

    LXC Networking - No hostname from nslookup?

    Strange question, and honestly not a big deal, but just got me wondering. When I do an nslookup or a ping -a xxx.xxx.xxx.xxx, my plex LXC doesn't return a hostname. My router shows its name as UNKNOWN (where other IPs would show a hostname), even though I've confirmed the hostname within the...
  7. C

    finding live eth ports during installation

    I had a question about installing ProxMox. I recently installed 8.3 on a Dell R620, that has four ethernet ports, two 10G SPF and two 10G RJ45. Only the first one is connected. For some reason, it chose an unused ethernet port so the installation stopped and asked me for IP, gateway, dns...
  8. K

    Network traffic summarization

    Hi, I have a proxmox host with the following network devices eno1 vmbr0 And multiple interfaces as per the VMs ( VMID ). Firewall is checked on the VMs, but no rules are active tapVMIDi0 fwbrVMIDi0 Now I have two questions, 1. If I need to check the tx/rx bytes of the whole host machine...
  9. K

    Trouble with configuring network

    Hello, New to Proxmox, but have been using different flavors of linux, VMs, and networking gear for quite some time now. For some reason I cannot seem to get my Proxmox to connect to anything on my subnet. On the initial install, I set the IP to a static IP (10.86.1.100), which falls in line...
  10. B

    iperf3 retries on VMs

    I am running a PVE cluster (3) on 6.8.12-4. I have a Dell R730XD, and 2 R630s. 2 boxes have the Intel(R) 10GbE 4P X710 rNDC, and the other has the BRCM 10G/GbE 2+2P 57800 rNDC. iperf3 runs great between my NAS and PVE hosts (and their containers), but not on the VMs runnings on those hosts...
  11. T

    Mellanox ConnectX-3 Interface Not Working on Proxmox

    Hello, I am currently experiencing an issue with my Mellanox ConnectX-3 network card on my Proxmox setup. Specifically, one of the interfaces is not functioning correctly. Here are the details of my setup: Proxmox version: 8.3.0 Linux Network card model: Mellanox ConnectX-3 MCX354A-FCB_A2-A5...
  12. E

    Validation for OVS network config

    Hi, I'm not the best Linux admin, and this is my first time using Proxmox, and am after some assistance validating my config for my desired network setup. I have a TrueNAS box, and two Proxmox boxes, all connected to the same switch. Each box has a dual port 10Gb Mellanox card in, and I'm...
  13. A

    How to setup GRE Tunnel or Wireguard for my bridge?

    hello everyone, I want some ip for my proxmox, since my provider charge heft free for ip, I want to setup GRE Tunnel or Wireguard, I wanted to know how to set them in proxmox, I dont know how to do GRE tunnel or Wireguard, so any help is appreicated!
  14. A

    Graph for node/cluster network configuration

    Hi all I would like to know if it is foreseen the development of a feature able to show graphically the network configuration for a node/cluster. I mean (see the attached picture as an example from another hypervisor ;)) the possibility to show for each node in a cluster how a physical interface...
  15. S

    [SOLVED] LACP net configuration for VM network

    Hello everyone, I currently have a failover bond configured for the management interface of my Proxmox instance. Now I am trying to create an LACP interface for the VM network but am having some issues when doing so. Any time I try to configure LACP, I lose connection to the management...
  16. S

    [SOLVED] Configure fail-over for management interface

    Hello everyone, I am trying to configure a failover for the management interface and was wondering if someone could help me out. Below is how my configuration is now... auto lo iface lo inet loopback auto eno1 # this interface is the mangement interface for Promox web GUI iface eno1...
  17. F

    Vm from node1 cannot ping node 2

    hello i have a 2 node pve cluster and I have sdn setup as simple but I want my VM from node 1 to be able to reach the VM in node 2 I have tried with vxlan its able to ping but its not able to reach outside (ping the internet).
  18. D

    Ubuntu VM - no network on first boot when using OVMF

    I'm spawning an ubuntu vm from the template built from newest 24.04 image here, configs at the end of the post: https://cloud-images.ubuntu.com/noble/currentnobleserver-cloudimg-amd64.img On first boot of the vm it get's stuck for a minute or two at 2.087525 s with CPU usage practically zero...
  19. G

    Machine in Proxmox Cannot ping gateway | Proxmox in VM VirtualBox

    I'm sorry to ask this.. I have tried to find a solution from the forum and proxmox wiki, but to no avail.. [Problem] on the proxmox installed in the oracle vm virtualbox I provide a host-only network configuration for the private lab. on the proxmox I installed an ubuntu-server.22.04 vm, the vm...
  20. C

    Network unreachable

    Hi I'm new to Proxmox and try to create VM which is ubuntu 24.04. The problem is it can not connect network bridge (vmbr0). This is proxmox's interfaces auto lo iface lo inet loopback iface eno1 inet manual iface eno3 inet manual iface eno4 inet manual iface eno2 inet manual auto vmbr0...