networking

  1. cluster network and storage network

    hi everyone! We are migrating our server to a different cloud provider. While reading a documentation, i read this: "Storage communication should never be on the same network as corosync!". Our server must have HA and data redundancy/ data high availability (using ceph). The problem is, our...
  2. Adding a secondary NIC for VMs/Containers

    For Proxmox PVE 6, does anyone have a screen shot illustration of how to use the GUI to add in a new NIC, then create a Linux Bond, and lastly a bridge, so that I can dedicate this new bridge for the VM+Container? I am not familiar with Debian command lines. Searched everywhere include Youtube...
  3. Firewall management

    Hi everybody. Say, we have many VM in 10.42.x.y One is on 10.42.a.b Host is on 10.42.1.z and gateway is on 10.42.0.254 We need to reject all traffic from/to 10.42.a.b to/from 10.42.0.0/16 BUT accept all traffic from/to 10.42.a.b to/from 10.42.0.254 Say the rule in plain english, Reject all...
  4. Frame errors in IPv6-in-IPv4 tunnel interface (!)

    folks, I have a LIX container running in Proxmox 4.4-24. My container is: Linux mybox 4.4.134-1-pve #1 SMP PVE 4.4.134-112 (Thu, 05 Jul 2018 12:39:16 +0000) i686 athlon i686 GNU/Linux. This container has multiple IPv6-in-IPv4 tunnels. Some of them work okay. But there is one that doesn't...
  5. Help me with adding static ip for vps

    I need to setup static IP for one of my vps. I have additional IP which is not in my dedicated server range. I have been searching internet for a while and I wasted few days for this. Still I didnt manage to make this to work. Can someone show me soem basic config for host and vm to do this? On...
  6. Problem with additional IPs

    I need some help with setting up additional ip for my vps in proxmox. I was always using proxmox to make 1/2 virtuals to run some software. That's why I never need additional IPs and I was always using default proxmox configuration (vmbr0) so I had same IP as dedicated server on vps, but I was...
  7. Proxmox host cant access internet but vms can

    Hi All, I am sure I have done something silly but cant seem to fix it. Essentially, I run 1 proxmox hypervisor/host that includes a pfsense vm as the home router. The hypervisor has 2 nics, 1 for the WAN port and and for the local network pfSense has a physical nic dedicated to the WAN WAN >...
  8. Proxmox 6.0 renames network card and can not use it

    I just installed a clean proxmox 6.0 on a machine and the network card does no longer function properly. It worked with Proxmox 5.4 Hardware: HP server with 2x gigabit on-board card + HP NC364T PCIe (4x gigabit card, with 2x Intel 82571EB chips). The problem is, that 2 of the 4 ports get...
  9. ARP table overflow - but only one neighbor

    Hi, i have some kind of legacy setup, which i created with Proxmox 5: I have a bunch of LXC containers which are privileged. Inside the LXC containers, i have installed a docker, and some docker containers. The networking of all this is managed by a VM with OPNsense. This worked fine with...
  10. High ping in Proxmox VE

    Hello, I've create a pfsense in my pve server but I'll get high ping usually. If download or upload over 50 Mbps will get > 1000ms ping pickup.(Use speedtest.net test can recurrent it again) My ISP network is 300Mbps/100Mbps, used FTTH(EPON) Network adapter : Intel X540-AT2 PVE Version ...
  11. Container with lan interface outgoing connection problem

    Hi, I have an installation of Proxmox on my server and my idea is the following: 5 container without public ip and with LAN interface 1 container with LAN interface and public IP My problem is when i try to download some packages with yum for example in the containers without public ip. How...
  12. NAT Masquerade not working with Firewall enabled

    Hello, im playing around with Proxmox at home wanting to put it on a dedicated sever at Hetzner later, and have some trouble using a private network for the VMs. The config below works, i can Ping from a Container in the private net(192.168) to my Desktop in my LAN (10.10), and if i look at...
  13. Bridge config in netplan does not come up at boot

    I had an ubuntu 18.04 working and decided to move it to a VM in Proxmmox. Configuration includes a bridge, it was working fine in the previous system but it does not come up at boot in the Proxmox VM. Here is my netplan config: network: renderer: networkd ethernets: ens18: dhcp4: false...
  14. Unable to connect to internet (on host) after creating bridge

    Thanks in advance for any help or consideration. I am completely new to this technology, so please bear with me. I installed Prox on top of Debian. All was working well until I created a "Linux Bridge" to use with an Ubuntu LXC container (I had also just created). I can connect to the container...
  15. VM no network connection

    Hello, I am using OVH as a host provider for my dedicated server. When I use LXC Containers, failover IP's from OVH work correctly for example 5.2.3.4 (Fail over IP) with the GW of 1.2.3.254 (GW for main IP for dedicated server) with the virtual mac address assigned to. However, when I create a...
  16. [SOLVED] Host bonded network woes...

    HI everyone, I'm having issues with a bond which was working a few days ago with the following settings: /etc/network/interfaces: auto lo iface lo inet loopback iface enp6s0f0 inet manual iface enp6s0f1 inet manual auto bond0 iface bond0 inet manual bond-slaves enp6s0f0 enp6s0f1...
  17. [SOLVED] Network problem to external switch

    hey there, i have some problem with the new version PVE 5.4, after installing pve to server and giving an IP, i can't ping gateway, can't ping outside and inside.. it only happen when i connect it from server(port1, vmbr0) to switch(non managed, no vlan), although no ip conflict~ if i connect...
  18. Hetzner network configuration

    I've been trying the last 2 days to get my network configuration to work, I don't entirely understand how this networking stuff works, my interfaces: # network interface settings; autogenerated Please do NOT modify this # file directly, unless you know what you're doing. # # If you want to...
  19. How to port forward from Guest to Host, specially for port 443

    Hello there, I have problem to port forwarding port 443/https through from VM to Host, i do forwarding setup in /etc/network/interface, there no problems in port 80, i can access the public host ip, but when i try to connect through port 443 is unable to connect, i check the connection by ...
  20. Trouble connecting to WiFi with Intel 9560 interface

    Howdy all. I've recently built a new server and would love to set up Proxmox on it. However, I seem to be running into the classic Linux problem that my hardware is too new for the system to work properly. I'm having a really hard time getting wireless to work. My motherboard is a Micro ATX Z390...

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