networking

  1. M

    Incorrect routes continue to be added for 1gbe/40gbe 3-node cluster

    I recently built a three-node network with mellanox connectx-3 cards to serve as the cluster network and use another 1gbe card as the LAN and management network. I've tracked down the issue (I think) to an issue with the routes. Whenever i create a new CT or launch a new container (currently...
  2. S

    [SOLVED] Configure fail-over for management interface

    Hello everyone, I am trying to configure a failover for the management interface and was wondering if someone could help me out. Below is how my configuration is now... auto lo iface lo inet loopback auto eno1 # this interface is the mangement interface for Promox web GUI iface eno1...
  3. B

    Unable to Set Static IP To Proxmox Node

    Hello! I have Proxmox VE running on my laptop (8.2.4). I have a standard Linux bridge with the configuration of this auto vmbr0 iface vmbr0 inet dhcp bridge-ports enx0222796c7c62 bridge-stp off bridge-fd 0 which works great, except for when I restart the node, anything connected to...
  4. T

    [SOLVED] PVEProxy failing to start after trying to join cluster

    PVE Version: 8.2.4 Hi, I have setup 3 Proxmox PVE servers (all with identical hardware) running PVE 8.2.4 After setting them up (fresh installs, nothing else done other than check for updates) I created Linux VLAN on each server in the 192.168.*.* address space - these networks all came up...
  5. K

    Connecting proxmox to VPS IP

    I own my homelab proxmox server at home. I also have a purchased VPS with a public IP. Is it possible to hook up the vps IP to a container on proxmox to expose it to the internet? If so, can he explain how to do it and possibly how to protect against ddos etc? Thanks for all the help!
  6. R

    Another Thunderbolt Networking Thread ...

    I’ve set up Thunderbolt networking on two 10th-gen Intel NUCs using Thunderbolt 3, but I’m only getting an average throughput of 35-40 Mbps in iperf3 tests. I’ve double-checked all the settings multiple times and tried two different Thunderbolt 4 cables. I've tried a few different Proxmox...
  7. J

    [SOLVED] Problem with pveproxy "detected empty handle" after update

    Hello there, I just updated to a new Proxmox Version. But once it was done I noticed connection interrupts across all containers and proxmox services. After I have done some research I found: "pveproxy[]: detected empty handle". I already took the following steps (without success) looking...
  8. A

    PVE hosts without IPv6 connectivity still try to use IPv6

    I have an issue with two Proxmox hosts which are misbehaving when establishing connections with pretty much anything. My own applications, apt, curl, ping, you name it. Both on the host and within LXC containers, things keep attempting to connect via IPv6, even though no IPv6 service is...
  9. N

    Have I setup networking correctly?

    I run Proxmox off a Hetzner dedi. Getting it installed was a pain but did it in the end. Have I configured networking properly? /etc/network/interfaces: auto lo iface lo inet loopback iface eno1 inet manual auto vmbr0 iface vmbr0 inet static address 123.123.123.123/26...
  10. G

    Passed IDs keep changing

    Hi I'm currently experiencing hardware issues. I am having to change things round to try and get things working; plug in a GPU etc Is there any way to avoid the ID of passed pcie & bridged network device changing? Each time I plug in I have to currently switch items to get things to work, and...
  11. K

    [SOLVED] VM's I created on my Proxmox can't connect to Internet

    I've purchased a dedicated server from a data center as well as 4 reserved IP addresses. I've been trying to make this work for 10 hours but for some reasons VM's I create on Proxmox can't connect to the Internet. I am trying to assign these IP addresses provided to me by the data center but...
  12. H

    Debian VM CIFS mount issues

    I've got a debian 12 VM with a CIFS vers 3.0 mounted filesystem, but for some reason i keep getting "CIFS: VFS: sends on sock xxxxxxx stuck for 15 seconds", leading to error in file r/w in the VM and at the same time my web browser briefly loses connection to the proxmox management plane, as...
  13. J

    Assign vLan Tag to SR-IOV VF

    ok, i have jumped through the hoops to enable SR-IOV on our proxmox host, and have the resulting list of virtual functions listed when i do a ```lspci```. the issue i have now is, how does one assign a vLan tag to said virtual functions so that the vm is sitting on the proper network? i can't...
  14. M

    [SOLVED] SDN VNet subnet specify SNAT interface/IP

    I've setup a simple zone with automatic DHCP, a vnet and 10.0.0.0/24 subnet with SNAT enabled. On the host I have 2 bridges configured: - vmbr0 with public IP 1.1.1.1 - vmbr1 with public IP 1.1.1.2 (Those aren't the real IP addresses, just substituted by me). When creating the subnet and...
  15. L

    IP Assignments for LXC Containers through OVH

    I have been attempting to get my networking to function correctly for the past few days. My setup is a dedicated server through OVH. I have 1 main IP and 2 additional IP addresses with virtual MACs. I have my main node within proxmox setup with the default eno1, eno2, and vmbr0. eno1...
  16. M

    Unrecognized traffic 169.254.169.254:80 TCP:S

    Hello, been using proxmox for about a year now and I am trying to improve the security of my cluster. Treating all traffic as a problem until proven otherwise. the Block IPv4 link-local (1000000102) rule on my PFsense firewall keeps blocking traffic from my proxmox VMs coming out of the cluster...
  17. N

    VM Network Traffic is visible to all VM in the same VLAN, but only if they are using VirtIO Network Bridge

    Hello guys, I am currently facing an Issue in our Proxmox Cluster as described in the Title. It does not matter on which Node the VMs are on, or if they run Linux or Windows, it happens on every single one. However LXCs in the same VLAN are not affected, since they dont use the VirtIO Adapter...
  18. M

    The Intel X710 LAN connection goes down and up all the time

    I have a server with 2 10G-baset Intel X710 LAN ports and is unable to maintain active connection with the switch. Link go up and down continuously. With the concomitant transition to the enterprise repository and upgrade to version 8.2 the problem has worsened making the server unusable. I...
  19. T

    [SOLVED] Fresh 8.2.4 No Internet from LXC or VM. Host can ping.

    I figured out my issue before this post could be approved to go public. Wasn't a Proxmox issue, but was a networking issue. Home switch had sticky ports, and each lxc/vm generates their own mac address. Suffice to say, issue is resolved. Not sure if I can delete this thread. If not, maybe...
  20. B

    How to get internet working on VM's?

    Hi, I'm hosting Proxmox at Hetzner, which gives me a Proxmox instance behind a public IP. I managed to get proxmox to have an internet connection with the following /etc/network/interfaces config. And vmbr1 and the #nat is my attempt to get it to work for VM's. auto lo iface lo inet loopback...

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