vlan

  1. A

    [SOLVED] It is not possible to use both a VLAN-aware bridge and a Linux VLAN bridge on a single physical NIC.

    auto nic1_1.10 iface nic1_1.10 inet manual auto nic1_1.20 iface nic1_1.20 inet manual auto nic1_1.30 iface nic1_1.30 inet manual auto VLAN102030 iface VLAN102030 inet manual bridge-ports nic1_1 bridge-stp off bridge-fd 0 bridge-vlan-aware yes...
  2. S

    Vlan Einrichtung, über vSwitch / Bridge oder Vlan Aware mit Tag

    Hallo Zusammen, ich arbeite sehr viel mit Vlans für die Netzwerksegmentierung und auch wegen der Sicherheit. Bisher habe ich die meisten Erfahrungen mit VMware und Hyper-V und stelle mich jetzt langfristig auf Proxmox ein. Ich bin gerade dabei ein Proxmox Cluster aufzubauen und dabei kam mir das...
  3. W

    Possibility of VLAN ID Synchronization with Firewall/Network controller?

    Hi, while playing around with Proxmox and Unifi I was thinking why it is not possible to have VLan IDs and there given names be synced between Proxmox and the FW/Network controller. As I use Unifi my first search was for there...
  4. A

    [SOLVED] Can't get SDN VLAN Isolation to work

    Topic says it all. But first let me introduce the topology: PVE Host connected via LACP (bond0) to a core switch pair (QSW-M7308R-4X) MLAG trunk port. Trunk port has PVID 1 and IDs 1600 and 1702 configured. This configuration is known to work as there's an Access Switch connected exactly the...
  5. S

    Internetzugriff auf Proxmox VMs / Docker Container hinter OPNsense mit Reverse Proxy

    Hallo Zusammen, ich muss den Zugriff auf mehrere VMs auf einem Proxmox Host übers Internet freischalten. Als Firewall ist eine OPNsense auf einer eigenen Hardware im Einsatz. Außerdem soll ein Reverse Proxy auf dern OPNsense eingerichtet werden. Vlans sind auch im Einsatz und werden noch...
  6. T

    [SOLVED] uncommon and difficult to describe VLAN issue

    Hello there, at my wits end on this one, since I cannot really find a reasonable explanation for this: a cluster of 3 proxmox nodes, each with 10 network interfaces, bonded in pairs with 802.3ad comprising 5 networks that have 7 VLANs in total Not using all that SDN stuff, mainly because I have...
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    BUG: VM with tag=1 on VLAN-aware bridge — traffic exits bond0 untagged, VLAN 1 broken when native VLAN ≠ 1

    BUG: VM with tag=1 on VLAN-aware bridge — traffic exits bond0 untagged, VLAN 1 broken when native VLAN ≠ 1 Hi all, Spent ~13 hours troubleshooting this with Claude.ai after a power outage took down my homelab. Documenting here as it appears to be a known limitation in Network.pm that isn't...
  8. W

    [SOLVED] Proxmox VM combining tagged and untagged VLAN traffic (host behind Unifi switch)

    Hello all! After 3 days of digging, I decided to ask directly: My proxmox host is connected to a Unifi switch port with a native VLAN 1610, also allowing tagged VLAN traffic for IDs 3510, 1620, ... That means the proxmox host is automatically in the 1610 VLAN. Setting up single-NIC VMs has...
  9. S

    [SOLVED] Planung Network Heimnetzwerk mit VLANs

    Hallo, ich beschäftige mich noch nicht so lange mit PVE. Allerdings soll es nach vielen Jahren Problemen mit Synology und Co im Heimnetzwerk nun mit Proxmox in die nächste Runde gehen um das auf bessere Beine zu stellen. Meine Fragen drehen sich im Moment um die Einrichtung des Networks auf den...
  10. T

    Proxmox / OPNsense / 3 NICs : How to make VLAN aware LAN network to join physical devices to virtualized firewall?

    Hi all, I want to use a nic in vlan aware mode to connect multiple phisical devices. Below is my networking diagram. vmbr0 and vmbr1 are working fine, i'm not able to configure vmbr2 (LAN in vlan aware mode). This is my network interface: auto vmbr0 iface vmbr0 inet static address...
  11. D

    Can't connect to GUI after creating sub-interface

    I'm trying to setup VLANs on proxmox, and many tutorials start by creating a management VLAN. My default interface is: auto vmbr0 iface vmbr0 inet static address 192.168.50.50/24 gateway 192.168.50.1 bridge-ports eno1 bridge-stp off bridge-fd 0 bridge-vlan-aware yes...
  12. K

    VLAN configuration within Hosts and whether necessary to also configure a pve interface on the VLAN

    Hi, I'm running PVE 9.1.4 in a 3-machine cluster using Mini-PCs. My scenario is this: I have a 3 VLANs: VLAN 1 : 192.168.2.0/24 - switch network. I have to have this one because the switch I have doesn't like to have its IP or VLAN changed, so I'm stuck with that. VLAN 10 ...
  13. R

    Recommended managed switches for Proxmox (VLAN support)

    Hi everyone, I’ve just registered on the Proxmox support forum and I’d like to ask for some advice regarding managed network switches that work well with Proxmox, especially for VLAN usage. To give some context about my setup: I currently have 3 Intel NUCs and one GPU rig, all running...
  14. S

    Proxmox management GUI not reachable when using OPNsense and VLANs

    I have the following network configuration: an ISP router connected via cable to the server’s network port eno1, where Proxmox is installed, and a second port eno2 coming out of Proxmox that will be connected to a switch for network management (VLANs, etc.). Nothing is connected on the outgoing...
  15. M

    create a VLAN without having a physical switch or changing anything in the router

    Hi, I want to create a VLAN in my Proxmox, I have a router provided by my ISP and all of it's ports are used, one of them is connected to my Proxmox server. By checking my ISP router, it's seems like id doesn't support managing VLAN's. The goal is to have my VMs and LXC containers on their own...
  16. 0

    Setup Vlan on a sub interface and pass vlan to virtual bridge (vmbr)

    Hi members, I have been recently faced with some issues setting up vlan on the promox machine at same time, passing those vlans to my virtual machine 1. I setup two sub interfaces facing a switch wich split the management traffic and internet traffic for the proxmox 2. so, It means, proxox...
  17. L

    Ubuntu VM Has IP but No Internet — Are My VLANs Configured Wrong?

    Having issues with VLAN connectivity on my Proxmox setup. My Ubuntu VM is getting an IP address, but it cannot reach the internet. I’m trying to figure out if my VLAN config is wrong or if I'm missing a route/gateway somewhere. Also vlan are set in OPNsense. Here’s my...
  18. W

    [SOLVED] Proxmox & Opnsense VLAN Configuration

    Hello everyone, I am currently trying proxmox with opnsense as a VM and trying to understand more the VLAN functions und firewall rules. I have made a config and it is working but I am asking myself why some things work and some don't. Maybe one of you can answer them. 1. Why am I able to...
  19. R

    VM gets all traffic from VLAN if VLAN exists also in SDN

    When a VM is assigned a bridge interface (VLAN aware) with a VLAN tag on the interface and this VLAN also exists as a VNET (same bridge and same VLAN tag) AND is assigned to a VM AND VMs are spread over different hosts, the VM with the bridge assigned directly get all the traffic of the VLAN of...
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    Anfängerfragen Storage und Netz - Migration von ESXi/Vcenter

    Hallo zusammen, ich hoffe ich nerve hier im Forum nicht mit absoluten Anfängerfragen, hoffe aber, dass man mir vielleicht die richtigen Google-Links geben kann. Ich habe schon einiges gesucht, aber die Frage ist immer, ob die Infos noch aktuell sind und ob sie auch im produktiven Umfeld gut...