1. D

    Temporary failure in name resolution Proxmox v7.4-3

    Whenever I try to perform basic network tasks like pinging a website (e.g., ping or updating packages with apt update, I get the error message: "Temporary failure in name resolution." This issue has been persisting for some time now, and it's causing problems with my system updates...
  2. D

    Change default network

    Hello guys, im trying to simulate a home network on my proxmox so what im trying to do is: vmbr0: vmbr100: vmbr0 will act as wan vmbr100 will act as lan i did setup pfsense and made vmbr0 as wan and vmbr100 as wan but i dont want that wan can access my proxmox...
  3. R

    Cannot access internet on container through proxmox host public ip.

    Greetings, I am trying to make my containers have access to internet through proxmox host public ip. Below are my proxmox host networking configurations. ``` auto lo iface lo inet loopback iface eno1 inet manual auto eno4 iface eno4 inet manual iface eno2 inet manual iface eno3 inet...
  4. G

    How work OvS with ifupdown2 in proxmox

    Hello, I would like to know how the ifupdown2 and OvS implementation in proxmox works because on a VM of my pve, I have a trunk that comes from the OvS of my PVE but when the VM is restarted the OvS service requires a restart for the flows to work whereas when I restart the pve it works...
  5. F


    Server delete
  6. J

    Must bindnetaddr be configured for a separated cluster network?

    I was trying out the proxmox functions, and I see that it is possible (and recommended) to have a separated network for cluster communication. Therefore I added link0 and link1 with a separated network (dual stack) and on a dedicated NIC port, and link2 and link3 the addresses with has gateway...
  7. P

    Two IPs for node, port 8006 is working only to one.

    Hello, Please help understand the correct setup. Current config: PCI shelf with one installed G25A - EMBEDDED SINGLE BOARD COMPUTER. Two IPs are defined: for eno1 I/F for enp4s0f1 I/F #ip a (only relevant): 3: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc...
  8. D

    PROMISC on tap interface

    Good evening. Good evening. Please tell me how to disable the PROMISC mode for tap interfaces for the created and enabled virtual machine, as well as when creating a virtual machine 207: tap100002i0: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master fwbr100002i0 state...
  9. K

    Proxmox WIFI interface in bridge

    Hi! Is it possible to put the wifi interface into the bridge? Ye, I know it`s not the best solution but i cannot use a ethernet cable.
  10. C

    suddenly network doesnt work anymore

    Hi there :) i have running a proxmox machine for a year or so. The machine has a 1GB interface (vmbr0 -> and a 10GB interface (vmbr1 -> Everything used to run without any problems. But since this week, the vmbr1 is not able to communicate anymore in a strange way: If...
  11. A

    [SOLVED] RTL8125b drivers

    Hi, I installed a dual 2.5gb Realtek nic and I am unable to get it to work. I believe I am missing drivers. The drivers from Realtek doesn't work, the firmware "firmware-realtek" can't be found and has been replaced with pve-firmware. I looked on the Proxmox forum and found mention of an install...
  12. J

    bridge_ports: is already used on interface 'bond0'.

    Hello, I have a dedicated server at OVH with Proxmox installed on it. There are 4 network cards on it. two for the public network and two for the private network (VRack). I made a modification in the network configuration to add a FailOver IP address for a VM. It worked well. But there, I am...
  13. B

    How to setup DSL connection in networking?

    I didn't find any examples to setup ADSL connection, which needs to use ppp and username/pass. Other systems I could use network-scripts/ifcfg-ppp0 file to define basic properties and than add user/pass into /etc/ppp/chap-secrets.
  14. Y

    is this normal? The mac address is the same between proxmox and lxc

    hi I'm new here is this normal? The mac address is the same between proxmox and lxc but in my network setting show a different mac address eth0@if56: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether 12:62:2b:6d:9b:9a brd...
  15. F

    *duplicate* Iptables NAT not working for vmbr with a bridged port

    I have the current setup, which after two days of trying should be correct. I can't get the iptables nat config to redirect traffic from either my vlan or the interface vmbr1 at all. At this point I can't see any other option... auto lo iface lo inet loopback iface enp2s0f0 inet manual iface...
  16. A

    VM loses connectivity periodically without visible reasons for me

    Hello Community! i have the following topology: NETWORK Layout and the following is my network configuration for all 3 nodes is identical: auto lo iface lo inet loopback iface eno1 inet manual iface eno2 inet manual iface eno3 inet manual iface eno4 inet manual auto vmbr0 iface...
  17. S

    Setup with 2 nic's - 1 for management and 3 vms, and 1 separate nic ot get external ip to vm and have separate gw

    Hello and sorry if this was already sked, I didnt find my case, just something like it. The purpose of separate VM is to be voip server + stun/turn ( does not work behind NAT with port forwarding ) and with separate channel. Im trying to make linux bridge to nic2, not setting any ip or gw on...
  18. V

    LACP For LXC Containers

    Hi All, I recently configured LACP for my proxmox instance with 4 Port NIC using Linux Bond with LACP (802.3ad) Mode & layer2 as hash policy also configured my unifi switch to work in LACP Mode But the issue now i am facing is that my container is not working with full use of LACP i tested it...
  19. Z

    Proxmox Private Vlan Feature

    I'm migrating from VMWare-ESX to Proxmox. Previously I managed to used Private vlan on vmware and enhanced security for my customers and also used /32 IP address per customer. now I am not able to find a solution for this case in Proxmox. cloud anyone guide, what they have done to increase L2...
  20. J

    proxmox 8006 port is closed cant access web ui

    I made some changes in network interface , after that cant access proxmox via web ui and ssh ( changes i made - i removed enp2s0 from vmbr0 and added vmbr1 and attached enp2s0 and put static ip),after that i edited the etc/network/interfaces file using ubuntu live cd . Now i can access...


The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway.
We think our community is one of the best thanks to people like you!

Get your subscription!

The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. Tens of thousands of happy customers have a Proxmox subscription. Get your own in 60 seconds.

Buy now!