network

Hello, We operate multiple 3-node clusters. For the VM LAN, each node has 2× 10 GbE ports in a bond. Additionally, each node is equipped with 4× 25 GbE ports, which we’ve used to create a high-speed interconnect between the nodes for fast local migration and replication. On one of the hosts...

Hallo zusammen, ich habe bei meinem Dedicated Server von Hetzner mehrere IPs bekommen und das Netzwerk sowohl auf dem Server als auch auf einer VM konfiguriert. Die VM läuft unter Proxmox. Problem ist: Auf der VM funktioniert nur IPv6, IPv4 funktioniert nicht. Während der Debian-Installation...

Hello all, I just set up a fresh install of proxmox on a Dell 3040m. I am able to connect to the server from my local network. Once logged in, I try to install Debian LXC for a helper script, and I get curl: (6) Could not resolve host: raw.githubusercontent.com. I have then tried to ping other...

Hello, I am currently experiencing an issue with the network of my VMs. My current configuration is as follows: My issue: VMs that are in VLAN 22 regularly lose their network connection (every few seconds). The VMs are Windows Server 2022 trial and Windows 11. VirtIO is being used. Example...

Hello! I just noticed some issues when trying to configure PVE (8.4.5) with a link-local DNS server. #1 - PVE Host I use a AdGuard Home LXC, and want to use it's link-local IPv6 address as DNS resolver for PVE, but I cannot get it to work through the Web GUI. When I edit the DNS settings, and...

Hi All. We are in a deep trouble. We use 3 x Dell PE 7625 servers with 2 x AMD 9374F (32 core processors), I am facing an bandwidth issue with VM to VM as well as VM to the Host Node in the same node. The bandwidth is ~13 Gbps for Host to VM and ~8 Gbps for VM to VM for a 50 Gbps bridge(2 x...

Hi all, I seem to have found an interesting issue, happened to me 2 out of 2 tries so it can be replicated. Hardware I'm using: Dell PowerEdge R750 with Broadcom NetXtreme Gigabit Ethernet NIC's (tested with the firmware it shipped with and the newest from Dell) Juniper EX4300-48T switch...

this is maybe just dumb question because i'm trying easy way and cheapest way to setup proxmox cluster. i have see many people setup homelab using many mini pc. what i see is jumble mesh of rj45 can't the proxmox using usb connection?. nowaday mini pc is coming with many usb port either 3.2 or...

Hi all, I am brand new to Proxmox and I have a server set up and it seems to be dropping connection to the GUI when I start interacting with it especially when uploading files. Could someone please tell me how to fix this? I am ready to provide any info you need from server to help me...

Hey all, I’m running Proxmox (mainly arr stack and some other media) and recently started experiencing a strange issue where the host intermittently loses internet connectivity. The only workaround I’ve found so far is to unplug the ethernet cable from the router and plug it into a different...

For each server, Hetzner provides free IPv6 subnets /64 Using Hetzner as an example IPv6 provider, here is a configuration example. Okay, now we have an allocated subnet range::/64 For example, range:: = 2a49:8d8:112:7se1:: Edit Proxmox configuration: nano /etc/network/interfaces Physical...

Hello, I have a cluster and on one of the nodes for the past few days after every restart i can't ping it. After some troubleshooting i saw that the vmbr0 is losing IP and i have to use ip addr add 192.168.1.240/24 dev vmbr0 so it works again I kept getting power outages that's the reason for...

Hello, I'm facing issue with configure vlan for VM's, containers. My setup for now WAN - enp4s0 - bridged to vmbr0 LAN - enp5s0 - bridged to vmbr1 VM Kerio control handle vlans managed switch connected to lan Hosts in local network connected to switch work normally with all vlans, but when...

Hi everyone, I'm currently setting up a pfSense VM on Proxmox and would appreciate your guidance on properly configuring it so that VMs on the LAN interface (vmbr2) can access the internet, proxmox is installed on ovh dedicated server. Network Setup Proxmox Host vmbr0: Public IP...

Dear all, I am trying to clone my VM template while setting up a static ip. As I am using Ansible, I try to use the community.general.proxmox_kvm module. However, I do not get the VM to have a static ip. For the template I use a Debian 12 (bookworm) template using Learn Linux Tv's guide. Below...

Hello! I am having a very strange issue that I'm not quite sure how to solve. On my PVE host (clean install) I can access the internet and ping things on my local network as well, as is expected. I can also ping guests but it seems to be very lossy, losing the first 3-5 packets and then randomly...

I am on Proxmox VE 8.2.7, with a R5 430 GPU. I followed https://forum.proxmox.com/threads/pci-gpu-passthrough-on-proxmox-ve-8-installation-and-configuration.130218/ to set up the GPU and drivers, and everything looks good. However, when I assign the GPU as a PCIe device to my Alpine Linux VM...

i want to isolate vm from local network but i want to give internet to it how? i created a network vmbr2: and i assigned the network to my vm: but can't access the internet from the vm.

Hello all! I'll preface this by saying I've already looked up many resources on this thread, and google, but I can't seem to get IPv6 to work correctly. I used to have everything setup correctly in my home network (IPv6 wise), but I now have a Unifi router, and I just can't seem to get IPv6 to...

Greetings, UPDATE: I was about post the following but I think I found my issue. I'm posting anyway in the event someone else runs into this issue. The clue was the (code=exited, status=226/NAMESPACE) in the systemctl restart systemd-network command. It turns out that the Nesting feature...