network

  1. [SOLVED] unresponsive VM with dual NIC

    Hello, I don't know if my problem is related to Proxmox, and if it's not, sorry in advance, I'll ask the question on another forum. With containment, I'm trying to reorganize my network, and here's what I want to get: Everything works fine for now, except when I setup a LXC container with...
  2. Giving Guest dedicated network addresses

    Hey, in my Proxmox environment, I want to assign clear network addresses to virtual machines (KVMs). It should also be possible to assign multiple network addresses to a guest. Unfortunately, I find relatively few on Google or simply look for the wrong one. Can you give me some hints how I can...
  3. cloud-init and UseDomains=yes

    1. Setup I use the PROXMOX 6 (proxmox-ve: 6.1-2) I set up a DNS server with dnsmasq dnsmasq is configured to send search-domains The VM is running Arch Linux Within the VM systemd-networkd and systemd-resolved are used I use "cloud-init" 19.3 with netplan 0.98-1 2. Problem There are no...
  4. [SOLVED] Network settings for LXC containers: No internet access

    Hi! After default install of Proxmox VE 6.1, I try to set networks, but not working. My host PC have only 1 gigabit network card (enp3s0), connected to router/switch/internet. No IPV6 currently used. That Proxmox host have internet access, updated packages, etc. This all fine. Installed LXC...
  5. [SOLVED] Nur teilweise Internet auf VM's

    Hallo, ich habe ein recht komisches Verhalten auf meinen VMs in Sachen Internet... Beispielsweise kann ich zum beispiel google.de pingen und auch im Browser ganz normal verwenden - auch die Suche funktioniert. Wenn ich jetzt aber auf eines der Suchergebnisse klicke kommt nur die Meldung das...
  6. [SOLVED] Kein Netzwerk nach der Installation

    Hallo, ich habe gerade einen Proxmox, mit ZFS RAID1, aufgesetzt und habe nach der Installation kein Netzwerk. Auch die Leuchten an der Ethernet-Schnittstelle blinken nicht. Gibt es hierfür eine einfache Lösung? unter /etc/ gibt es den Ordner Network nicht. Danke schon mal für Hilfe.
  7. Opnsense, access to proxmox ve from LAN

    I have a proxmox setup with 4 nics. 1 is currently the management interface. ( connected to enp2s0f0 ) 2 are bonded to a vmbr = LAN, ( connected to ens1 and ens2 ) 1 vmbr = WAN, ( connected to enp2s0f1, which is connected into my homenetwork for now, later on will become dmz. ( 129.168.178.x )...
  8. Direct network connect between 2 VM

    Hello, I need to connect 2 virtual machines directly through a "virtual network cable" without using a switch. Is this possible in Proxmox? Thanks in advance, C.
  9. Internet stuck when uploading large files from client

    Basically when I run a git push the internet on my QEMU VM gets stuck. I can't ping anything on both LAN and WAN, I can only ping the host server. I initially thought this was an Ubuntu 18.04 issue, so I installed Kubuntu 19.10 but the problem persists. What can I do? Configuration: Mobo...
  10. Setting up a bridge?

    So I've installed PVE 6.1-7 on top of Debian 10 (Buster). I used to run PVE 5 earlier that I had installed with the ISO and I did try that with the current version but unfortunately the installer didn't work for some reason. So with the Debian installation comes the fact that the network...
  11. Connection lost when high traffic

    Hello! Proxmox newbie here. Got Proxmox 6, some windows 2016/2019 VM with virtio net driver. When the traffic on the network is high, the connection randomly drop. I must the disable/enable the device and it restart. I've tried everything i could find on the web, but every solution fail. The...
  12. 239.192.142.10

    Hello friends I need help. I have a local network with 5 proxmox nodes and a cluster. observing the network traffic with wireshark I see an excessive traffic that has as a destion: dst: 239.192.142.10 port src: 5404 port dst: 5405 I understand that ports 5404 and 5405 are used for multicast...
  13. Route cache is full

    Hi, I have added 1000 OVSIntPort to my proxmox node. After rebooting i get the following message: linux route cache is full consider increasing sysctl net.ipv[4|6].route.max_size (image attached) Since then I also have a problems connecting via ssh to my VMs from public IP (dnat set up in...
  14. CTs in different VLANs are able to communicate with each other

    Hi, I have following configuration: - vmbr2 OVS bridge (attached image 1) - Bridge ports: vlan01, vlan02 - vlan01 OVSIntPort (attached image 2) - OVS Bridge: vmbr2 - VLAN Tag: 1 - IPv4/CIDR: 99.0.1.254/24 - vlan02 OVSIntPort (attached image 3) - OVS Bridge: vmbr2 -...
  15. Internet Access over all VM

    I might be a Proxmox Newbie which I'm learning more about every day. I've purchased a server with couple of IP addresses then installed Proxmox 5 and started using it. When I create a new VM by default it has no internet so when I finish the setup I enter the VM and set a dedicated IP manually...
  16. Proxmox link through bridged router port

    I have a Ubuntu Server 18.04 trying to connect to the internet via bridged port on my router. when I first installed the server using the normal setting for the VM, getting a Dynamic IP worked great, then when I use the configuration eno3 bridged to MBR01 as example no IP info entered and all...
  17. No Internet on all VMs after update

    Yesterday after I updated and rebooted my Server all of my 3 VMs weren't able to connect back to the Internet. I use a routed setup basically exactly like this https://community.hetzner.com/tutorials/install-and-configure-proxmox_ve/de?title=Proxmox_VE After some digging I figured out that the...
  18. Network interface not up in Opensuse 15.1 CT with Proxmox 6.1

    Hi, I have downloaded the latest Proxmox 6.1 and working around. I wanted to install Opensuse Leap OS 15.1 and 15.0 LXC container. After download and installation of Opensuse LXC template eth0 network interface is not up after the OS boot. I have tried multiple ways to look what was the issue...
  19. Can ping dlink router but no internet

    Hi, I switched my ISP modem/router to D-Link Cobra modem/router and can connect to the internet from different devices but when I tried to ping google.com via server command failed to reach the site but can ping the router successfully. What info do I need to present to you guys to analyise...
  20. Network issue - 2 ip class networks

    Hi everybody, For some reasons I need to setup one of my VM (Netxdom-Prod) as 192.168.1.28 targeting my ISP's internet box (192.168.1.1) whereas in the same time my proxmox is running as 192.168.0.18 through a manageable switch linked to my main router (synology RT1900ac 192.168.0.1) I am...

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