bridge

  1. E

    Make Two different Proxmox Lan's VMs to communicate with each other.

    I currently have two proxmox Metals in Scaleway Cloud. Yesterday I bought my second one but with the first one I didn't have any issue. So my setup in the first one is a pfsense firewall with a WAN and a LAN in 192.168.1.0/24. Now I introduced the second Metal and created another pfsense (I know...
  2. S

    Manual installation on Debian 12

    If Debian 12 has been installed with minimal network boot CD/ISO/USB then it probably does not include bridge-utils which is mandatory component to get vmbr bridges to work. Make sure you install it with apt install bridge-utils first then fix these files /etc/hosts and /etc/network/interfaces...
  3. M

    IS IT POSSIBLE TO MODIFY vmbr0 BRIGED ON eth0 TO wlan0?

    Hey folks and hope you are all doing great, After enormous try and fail attempts; previous post; I have managed to make my 3 Raspberry CM4 boards orchestrating together in a Cluster via Proxmox 7. The issue that I am trying to tackle now, is how to modify the default bridge network (vmbr0)...
  4. J

    DHCPOFFER from pfSense but proxmox VM does not get IPv4

    Hello, I have an issue with a VLAN I created in pfSense (bare metal) and I just can't figure out what is wrong in Proxmox. I have a freshly created Ubuntu VM (with only docker installed), I have created a new vmbr1 bridge that is VLAN aware and assigned it the VLAN subnet (not sure if current...
  5. C

    Configure multiple subnets on single NIC

    I have a 1x4 sfp+ 10Gbe NIC in my host machine and 2 subnets, 192.168.2.0 and 10.0.0.0, configured on my Cisco Nexus 5596UP switch. I have created 2 bridges in Proxmox, vmbr0 (IPv4: 10.0.0.3/24 Gateway: 10.0.0.1) on enp20s0f0 and vmbr1 (IPv4: 192.168.2.4/24 Gateway: not set) on enp20s0f1. The...
  6. M

    no traffic between LXC containers

    Dear all, i am running Proxmox VE 8.0.4 on an Intel NUC NUC6CAYH and have a strange problem: there are two LXC containers (created from debian-11-standard_11.7_1) they are on the same subnet, same network assigned to them: vmbr0 they can be accessed from everywhere as expected and can reach...
  7. G

    [SOLVED] Create and Setup vLan with Tag in PVE behind pfSense Firewall

    Hello, I´m really having trouble setting up a vLAN in/on PVE and make it available to the firewall and give access to WAN. Setup: pfSense Firewall with public IP and 2 physical interfaces (WAN and LAN) WAN provides Internet LAN Network 10.27.126.0/24 (Intern IP: 10.27.126.1) An PVE Instance...
  8. E

    [SOLVED] Networking issue, (Proxmox on a hyper-v guest)

    Hello, As a new user of Proxmox, I've installed it on a virtual machine running on a Hyper-V server (with the goal of exploring Proxmox and potentially migrating my server fleet to Proxmox in the future). I'm having difficulty setting up VMs (tested with Windows 11 and Debian 12) because I...
  9. T

    Physical access to virtual network

    Hello all, I have following virtual environment -> 3 isolated networks, each with own subnet and virtual router -> proxmox server has one NIC with one port -> on these networks will be vulnerable VMs to pentest I want my physical machine to be connected to these virtual networks... For...
  10. I

    [SOLVED] Bridge vmbr0 exist and work, but GUI doesn't recognize it

    I have a vmbr0 configured and working but it's not recognized in the Web GUI and I cannot add or modify VMs in there because the GUI doesn't let me do anything since it cannot find it. I can add or modify a VM manually editing configuration files in /etc/pve/qemu-server/ folder adding lines...
  11. 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 https://i.imgur.com/EEdwkob.png https://i.imgur.com/6lI3uku.png // Container...
  12. T

    Container does not have full internet access

    Hi, I would like my LXC container to have direct access to the Internet. My container has IP address 192.168.1.35 The container has tunneling access enabled, of course. lxc.cgroup2.devices.allow: c 10:200 rwm lxc.mount.entry: /dev/net dev/net none bind,create=dir My default HOST...
  13. 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...
  14. L

    Where to actually put a VLAN interface

    I've tried asking on ServerFault (https://serverfault.com/questions/1134269/where-to-put-vlan-interface) because it's not strictly a proxmox question. But I received no answers, only a suggestion to post on this forum, so I'm reposting here. I have 2 x 1 Gbps network interfaces. On top of them...
  15. T

    Virtual Mikrotik RouteOS CHR with ip public, EoIP not work.

    Hi, i have a dedicated server on Ionos with Proxmox. Server wan interface is enp35s0 Has a public ip 217.xxx.xxx.10/32 Gateway 10.255.255.1 I have an additional ip address that ionos delivered me via vlan1010 for using it in virtual machine. 217.xxx.xxx.164/32 My /etc/network/interface: auto...
  16. M

    ovh ip failover and bridge

    Hello, I have installed both Lubuntu Desktop and Ubuntu Server on Proxmox VMs. However, I don't have internet access on either of them. I followed this tutorial, but I still don't have internet access...
  17. T

    Incorrect MTU calculation when CT sending packets over bridged VXLAN port

    We have an overlay network (configured as described below) which worked fine on PVE6.4 but after migrating the containers to a PVE 7.2 node have noticed some odd behavior, with packets above a certain size being discarded by the vxlan interface, but only when sent from a container, VMs continue...
  18. M

    using a proxmox-host as a WLAN-bridge and security

    I use a little NUC with an integrated Wifi-module as a proxmox-host. On the proxmox-host runs a "home assistant"-VM. Because a "shelly EM"-sensor is too far from my Wlan-router, i placed my NUC nearer to the shelly EM, to have a better Wifi-connection from my NUC to the sensor. The NUC is...
  19. S

    Wifi connection

    Hello, Please I need some help to connect my proxmox machine to my WiFi. This is my /etc/network/interface content: auto lo iface lo inet loopback # Wireless interface allow-hotplug wlo1 iface wlp1s0 inet static address 192.168.1.30/24 #IP of my WiFi card gateway 192.168.1.254...
  20. N

    Hetzner /64 IPv6 subnet connection error

    Good day, I want to use my /64 IPv6 subnet on my Hetzner server for my virtual servers. I have the problem that the virtual machine can not reach the internet; I keep getting the following error message: root@mail:~# ping 1.1.1.1 ping: connect: Network is unreachable With kind regards

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