network

  1. One Node Down, Network Issues

    Hi, For some reason I still do not understand, one of the three nodes in my cluster did not mount yesterday and is still down. After some research, I ended up narrowing down the issue to a network issue. So: I have ifupdown2 installed I checked the connection to the switch > OK I did a dmesg |...
  2. systemd-networkd.service disabled since I updated

    Hi all, I have updated my 3 Proxmox machines/nodes yesterday and I am now unable to perform basic network operations. I have checked the logs and it appears that systemd-networkd.service is disabled at startup and won't start any longer. The exact message I get when I do systemctl status...
  3. Fehler beim Starten einer VM mit mehreren Interfaces

    Wenn ich eine VM mit 20 Interfaces versuche zu starten erhalte ich auf einem Cluster Node den folgenden Fehler: root@Node2:~# qm start 497 generating cloud-init ISO Error: Parent Qdisc doesn't exists. We have an error talking to the kernel, -1 command '/sbin/tc filter add dev tap497i2 parent...
  4. Proxmox - Configure two bridges in a single NIC

    I have Proxmox installed in two servers directly linked by a switch, I need to configure two different addresses in a specific NIC (that have a capacity of 10GB) for each server. I tried many solutions found on the internet but the best result I got is being able to ping only one address. here...
  5. Proxmox Cluster Questions.

    Hey, Maybe you can help me with some questions. I would like to set up a Proxmox Cluster in Hetzner (2 nodes + Proxmox backup (which will act as a Quorum for the cluster)). Setup: - The 2 nodes will be in the same datacenter and the backup will be in different datacenter (we can live for a...
  6. [SOLVED] Pcie NIC down when start a vm that has a gpu passthrough

    I changed a mother board for the pve host. Everything is fine. But when I start the VM who has a gpu passthrough, the PCIE NIC is down. Here are some syslogs: Apr 03 02:52:27 pve pvedaemon[1380]: <root@pam> starting task UPID:pve:00000C72:0000725A:606767EB:qmstart:103:root@pam: Apr 03 02:52:27...
  7. can't get access internet

    Hi, Proxmox forum I just installed proxmox on my miniPC and use my router, but can't get internet, i'm new here and I've read some article from this forum and have no idea what's wrong with my setting, my router is 192.168.1.1 please help me
  8. Proxmox network crashes during large network usages

    We have a Proxmox set-up of three nodes sharing some 15 VMs. The nodes and VMs are behind an actual router. This has been happily running for a couple of years now without much trouble, until recently. I wanted to update a box from Debian 9 to 10, and during the `apt upgrade` (which would...
  9. Adding node to cluster crash all nodes from it

    Hi, tonight is the second time I face a huge problem when trying to add a node to my existing cluster. My cluster contains approximately 15 nodes, I use CEPH as storage and everything is working pretty good. All our nodes and "future" nodes FQDN are contained in /etc/hosts like : -...
  10. Hetzner Network / Subnet + Additional IP

    Hello, i have one subnet and one additional IP. I am trying to assign 2 network interfaces to a virtual machine. One Interface with an IP from the subnet and one with the additional IP (different Gateway) I have already tried a few things, but unfortunately nothing works yet. How do I achieve...
  11. Unable to connect VM to internet with one additional IP (Hetzner dedic)

    Hi, I am unable to connect my VM to network. I've been following hetzners guides on bridge, but still no ping. This is the guide I have been following. I have also tested the routed option, but still no go. https://community.hetzner.com/tutorials/install-and-configure-proxmox_ve What am I...
  12. [SOLVED] Proxmox network issue

    Hello everyone :) After i have for first time installed "Proxmox" on a "IBM System x3650 M4" i hit a network issue. I can't ping it and id should be sitting on the correct interface. Can someone maybe give me a hint to what the issue can be here? Should i try to install the newest driver...
  13. Hetzner Routed Network (3 Subnets + Additional IPs) Config Check

    Hey, what is the best way to route the maximum number of IP addresses to the guests (IPV4)? I have 3 Subnets (/29, /27, /27) and an additional IP that I wish to fully utilize (8, 32, 32 IPs) without loss of an IP for the host system and broadcast/subnet. I have theorized this config but...
  14. [SOLVED] [Help] Static LAGG 2GB/s to 2 clients 1 Gateway from 1 NAS

    Hello, I'm getting desperate, I need help to find a setup where 2 windows clients can download files from my NAS using SMBv3 both at 1GB/s at the same time for a total 2GB/s sent from the NAS... I've tried a lot of things and got LAGG working between lots of parties achieving 2GB/s several...
  15. Multiple VLANs on Bond Bridge

    Hallo zusammen, ich bin gerade dabei mich in Proxmox einzuarbeiten und will meinen alten ESXi Host damit ablösen. Bis jetzt läuft die Umstellung echt gut. Nur mit einer Kleinigkeit habe ich Probleme. Mein Netzwerk sieht wie folgt aus: Ich habe ein bond0 über zwei nics und dran meine Linux...
  16. [SOLVED] CEPH separate public/cluster network

    Hi, we have set up a 3-node Proxmox VE/CEPH Cluster with one network/VLAN/IP-range for both public and cluster network. Now we decided to separate public and cluster network into 2 VLANs/IP ranges. 1. Is there a way to do this in an easy way? (we don't have workload, yet - so service...
  17. PVE in 2 subnets with 1 NIC?

    Hi, I'm new to Proxmox and don't have that much Linux experience... I have an intel NUC which is running Proxmox VE. It has the IP address 192.168.3.52. Then I have a NAS with the IP address 192.168.1.10. I wanted to create a new PVE disk which is network share on the NAS. This failed so far...
  18. Proxmox Cluster Networking setup

    Hello, I'm trying to create the following topology: A few Details on the above topology: 1. Proxmox Servers have 6 nics. 2. 2x Nics Public network bond to cumulus switches with Public IP addresses announced from our routers. 3. 2x Nics Proxmox network bond to cumulus switches with...
  19. [SOLVED] Firewall ignores traffic vlan

    Hi, PVE - 6.3-3 Guest OS - Ubuntu 20.04.2 LTS netplan config: --- network: version: 2 ethernets: ens19: dhcp-identifier: mac dhcp4: true vlans: vlan5: accept-ra: false addresses: - 192.168.100.125/24 id: 5 link: ens19 For...
  20. Proxmox Host IPv6 DHCP not working

    Hello, I am trying to get a IPv6 address for my proxmox host via dhcp, so I set up my /etc/network/interfaces like it is suggested in the debian docs: iface vmbr0.100 inet6 dhcp But that doesn't work, it doesn't set an address. Is there something I need to activate for this to work? When I set...

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