bridge

  1. Use VM as router (OPNSense) - Pull Proxmox IP from VM's DHCP

    Hello all, I am trying to set up OPNSense on my Proxmox server and disallow Proxmox from accessing the internet directly, as it's plugged directly into the modem. I am still learning - excuse me if this is a simple request Expectations...
  2. Upgraded pve version and now network adapter issues

    Im currently on version 7.2-7 and kernel 5.15.39-1-pve I have this setup on a dell r620. I have four network adapters. two are 1gig nics and two are 10 gig fiber connections all connected to the same switch a brocade icx6610 which has no vlans setup currently. I bridged all the adapters...
  3. Setup VM LAN to talk to internet in masquerade mode

    I have a single server attached to the internet on a public IP. I have 4 different VM's attached to vmbr1. Their Ip's are 10.0.0.101, 10.0.0.102, 10.0.0.103 and 10.0.0.104. Gateway 10.0.0.254 for all of them. I cannot make then go to the internet. They cannot ping 8.8.8.8 or any other internet...
  4. Proxmox + pfsense

    Hey. I have quite successfully installed pfsense on my proxmox mini PC with 2 interfaces. After the installation of pfsense I've lost access to proxmox. I know how to recover it. My question is how can I access both pfsense and proxmox from 1 LAN port? I can think of two solutions that I've...
  5. VLAN interface - attach to vmbr0 or bond0?

    Hello, So I've got a few servers where they are connected to our ethernet switch via an LACP bond. It's basically like: vmbr0 (vlan aware) -> bond0 -> eno1, eno2 We need to add a vlan interface in order to access our storage network VLAN on the bond. My question is, do I attach the vlan...
  6. [SOLVED] Linux Bridge not working

    Hello all, I have a proxmox 7.1-12 instance and I use an IPv4 bridge there called vmbr1. Unfortunately I can't ping the VM and the host via vmbr1, there seems to be no traffic at all. Host Config: auto lo iface lo inet loopback auto enp9s0 iface enp9s0 inet static address...
  7. PVE Node nicht erreichbar

    Moin zusammen, mein Kollege hat versucht einen VLAN zu erstellen und hat den gleichen VLAN-Tag zugewiesen wie bei dem Bridge und seit dem können wir den PVE nicht über GUI erreichen oder anpingen. Die Vnets.cfg oder Zonen.cfg dateien sind geschützt und können nicht verändert werden. Was kann...
  8. [SOLVED] My VM´s cant reach the internet / cant be pinged since i changed the /etc/network/interface file

    auto ens7f1 iface ens7f1 inet static address 192.168.0.100/8 gateway 192.168.0.1 bridge_ports enp9s0f0 bridge_stp off ethernet-wol g iface enp9s0f1 inet manual iface ens7f0 inet manual auto vmbr0 iface vmbr0 inet manual bridge-ports none...
  9. No external connection randomly

    so I have a problem where randomly vms switch external access like vm with ID 100 i can connect with no problems for some time till randomly i cannot anymore but i can connect vm with id of 101 there is no pattern to this as of right now and there is only one way to force it to switch it back to...
  10. Network Bridge only allows one vm access at a time

    When I turn on multiple vm's only one gets network access. if I shut vm A off then vm B gets network, vice versa. Both vm's have static ip and non conflicting auto mac's, using here's the proxmox hosts interfaces config auto lo iface lo inet loopback iface eno3 inet manual auto eno4 iface...
  11. [SOLVED] VE 7.1-10 slow to forward ARP replies over bridge

    Hi, After starting a container, a PING from inside the container to any address beyond the host it can take up to a few minutes before the replies start flowing. root@deb-11-container:~# ping 172.20.1.1 PING 172.20.1.1 (172.20.1.1) 56(84) bytes of data. From 172.20.1.181 icmp_seq=1 Destination...
  12. Route subnet over gre + lxc

    Hi, guys! I have: Server as router on OVH: a.a.a.a Failover ips on OVH: b.b.b.b/29 Unprotected server (node for VMs/cts) on other ISP (or other OVH server): c.c.c.c I need to create containers on an unprotected server, but so that traffic to the containers themselves or VMs goes through a...
  13. Private Networks best practice question

    Hi there all, I'm currently setting up a PVE node behind an ISP uplink. That node has a single physical Ethernet interface. I will need many backend "Private Networks" to host VMs and internal networking's etc. My question is the following; I've seen advice to use "dummy interfaces" like this...
  14. Intel Quad NIC not showing up in Web UI - Passthrough to VM for OpnSense

    Hi! I am using Proxmox for some time now, but still a noob trying to learn the basics. But now i am at a point where i can not proceed without help, and it concerns my PCIe NIC: It is an Intel PRO/1000 PT Quad NIC, an ultra common one i guess everyone here should know and should be supported by...
  15. VLAN-aware, transparent bridges vs traditional bridges with one NIC on Hetzner using vSwitches

    Hello everyone! I have finished setting up two dedicated servers with Proxmox 7 (Debian Bullseye 11) on Hetzner. Both hosts, once in a cluster, are expected to have two type of VMs: 1. Those with a private IP address and an additional public IP address (e.g. web server). 2. Those with just a...
  16. Proxmox Loopback on port

    Hello! Today my DC said "My ports just made an ethernet loop." At the moment of happening we saw lots of MACs on your port that normally do not belong to you (see the listing below). >display mac-address interface ge 1/0/29 Flags: * - Backup BD : bridge-domain Age : dynamic MAC learned...
  17. Error when setting up LACP bond with VLAN Bridge

    I'm trying to set up a VLAN on a active bond interface. We're using the last example on the Proxmox Wiki page, but when applying our config we get the below error: root@n01:~# ifreload -a error: netlink: bond0.611: cannot create vlan bond0.611 611: operation failed with 'Operation not supported'...
  18. Same IPv4 address on every VM

    Hi, I recently bought myself a DELL PowerEdge R470 Server and installed Proxmox 7.0.13 on it. It's working great, but all the virtual machines have the same ipv4 on the internet. They only have different IP addresses on my local network. I looked a bit around but I couldn't figure out how to...
  19. [SOLVED] PVE Config Netzwerk (interfaces) - VLAN, Bond, Trunk...

    Hallo, ich benötige doch etwas Hilfe bei der Konfiguration der Netzwerk-Schnittstellen. Hier einmal die jetzige /etc/network/interfaces: auto lo iface lo inet loopback ### PVE GUI ### Bridge auf eno1 mit statischer IP für PVE iface eno1 inet manual auto vmbr0 iface vmbr0 inet static...
  20. Received packet on fwln interface with own address as source address

    Hello, I know this topic is already discussed thousens times here in the forum, but it seems that my issue is somehow different.. The moment I activate a firewall interface for any of my guests I start receiving so called "alarms" like this one: Oct 01 10:19:26 proxmox-node-1.home.lan kernel...

About

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!