nic

  1. G

    [SOLVED] Shared storage with different IP (NFS)

    Hello, I have two servers connected to a NAS. Both servers are connected to the NAS via a switch (1Gbps network). However, I have a direct link between server 1 and the NAS with a 10Gbps card on both sides. I cannot put 10 gbps card in server 2. So I have configured a private network between...
  2. G

    DHCP Blocked on VM by NIC Firewall

    Hello everyone, I’m running into a serious issue with DHCP when using the Proxmox VE firewall. I want to summarize the problem here and hopefully get confirmation or solutions from the community. Setup: VM: Ubuntu 24.04 Proxmox VE: latest stable release Network setup: bridged (vmbr0) VM...
  3. C

    [SOLVED] Newly added NIC does not work in cluster nodes

    Hello, it is my first thread so sorry in advance for errors. So just some context. I have an cluster with 6 nodes, all on PVE 8.4- Currently they are running on the internal network interface on the mainboard. I need to add an NIC and let it run over it and use the internal one for intel KVM...
  4. F

    Lost Access to Proxmox over network after lightning (resolved)

    I'll start off by admitting I am very new to proxmox - I had really only just gotten it set up and some containers running on it when this happened - so I apologize if I am not totally accurate with my terms. I am running Proxmox on an old Dell PowerEdge R330. This has a dedicated IDRAC port...
  5. K

    Link detected: no on 4 nodes with 3 different NIC.

    Hi, Can someone point me in the right direction? I have 4 nodes with Proxmox VE. I have 3 different 10G NICs. None of them seem to work on Proxmox, but they do work on a Live CD on other Linux distributions. Example: NIC port LED = YES OS Link detected = No Switch port LED = YES Node 3...
  6. D

    Strange Issue Using Virtio on 10Gb Network Adapters

    Hello, I'm having some strange behavior when using an i225-LM, x520-da or x550-t2 NIC and the Virtio network adapter in Proxmox. Those cards use theigb and ixgbe drivers, respectively. The issue only occurs on VMs in which I use Moonlight/Sunshine to gamestream from a VM with a GPU passed...
  7. K

    10Gb NICs compatibility with proxmox 8.4.1

    Hello I would like to know if this NICs are compatible out of the box (no drivers needed to be installed or possible troubleshooting) with the proxmox 8.4.1 HP Ethernet 10Gb 2-Port 561FLR-T Adapter - HSTNS-B007 Intel X540-T2 X540-AT2 10G PCI-E Dual RJ45 Ports Thanks please respond I need...
  8. A

    SATA controller (PCIe passthrough) and NIC on the same IOMMU group

    Hello, I've dived into many discussions/threads/workarounds before writing this thread that I hope it will better clarify my situation. I'm currently running Proxmox on an intel based system with a Intel Xeon E-2174G CPU. Currently, I have passed through the PCIe SATA controller to a NAS...
  9. B

    How To Passthrough All VLAN To Guest Nic

    Hello,Everyone! I am trying to set up a guest virtual machine to deploy zeek. So I want to passthrough all vlan to the guest nic. I had been modified my switch to allow all vlan passthrough to the pve host nic. I can use tcpdump to captured packets that belongs to other vlan.(L2 and above) But...
  10. H

    bridgeless network for QEMU? (ie. only TAP, and manual/hookscript connections to host/other VMs)

    I'm looking for a solution to drop the need for intermediate bridges for a corner/edge case where I need the VMs to have "direct" P2P links ONLY, and typically to the host too. Reason: I want to use OpenFabric as a IGP, and it requires P2P links only , ie, only 2 parties to a link. As I add...
  11. O

    2.5GbE NIC - Intel or Realtek?

    Hi, I want to buy a 2.5GbE NIC for my Proxmox servers. I wonder what would be a better choice... I was thinking about Intel I226-V. Supposedly there are fewer problems with it than Intel I225-V. Or maybe choose something with Realtek chipset? If so, which Realtek chipset works best with...
  12. L

    Realtek NIC randomly disappers

    Hi all, I have. Proxmox VE 8.2 running for about a year and now started seeing a rather strange behavior. Upon a restart, the NICs randomly disappear. I have an on-board LAN and a PCIe quad port card. When proxmox starts, lspci usually shows all 5 devices although it has happened a few times...
  13. R

    [SOLVED] Traffic separation and nics - how to plan the network?

    Hi, we're building an 4 node PVE cluster with NVME Ceph storage. Available Nics: We have several nics available: Nic1: 2 x 10G + 2 x 1G Nic2: 2 x 10G Nic3: 2 x 100G Traffic/Networks: Now we need (I think) the following traffic separations: PVE Management PVE Cluster & Corosync Ceph (public)...
  14. R

    Glass not working.

    Good morning! I'm completely green as it comes to glass. So I ordered the next hardware, hoping I understood enough from the info I gathered all over the place. 2 NIC's: Intel X520-DA1, 82599EN (https://www.amazon.nl/-/en/dp/B01GHTXHMK) Intel X520-DA2, 82599ES...
  15. J

    [SOLVED] Yet another networking issue from former ESXi user

    All - I know there have been many posts regarding similar issues - and I apologize for positing if this has already been addressed - but I've been trying to shift from ESXi for five days and am at the end of my rope. For background I've been running ESXi homelabs + Unifi infrastructure for...
  16. S

    The right way to configure network

    I am struggeling to find the right way to configure my network. Information: Network First Node <--> Switch (unmanaged and dumb) <--> Second Node First Node 4 CT Vlan 80 1 CT Vlan 40 1 Vm Vlan 20 Network bond1 NIC1 NIC2 NIC3 NIC4...
  17. E

    NIC PCI device not attached to device

    I attached PCI (NIC) devices to a VM and then deleted that VM. Now the PCI devices are not attached to a network interface anymore. lshw -class network -businfo pci@0000:04:00.0 enp4s0 network RTL8125 2.5GbE Controller pci@0000:05:00.0 enp5s0 network I211...
  18. H

    Random Proxmox Connectivity Issues (GUI+SSH) + Guest Downtime After Fix

    Hi everyone, I’m facing a strange and frustrating issue with my Proxmox setup and could really use some help. Here’s the situation: • Randomly, Proxmox becomes unreachable via web GUI or SSH, but all the guests are still running and reachable without any issues. • When this...
  19. D

    Networking issue - bcm57416 netxtreme-e dual-media 10g rdma ethernet controller

    Hello there! I set up a new homelab server with Gigabyte MZ72-HB0 motherboard which has bcm57416 netxtreme-e dual-media 10g rdma ethernet controller. It's the first server I use and I have no prior experience. I installed proxmox and when I start the server sometimes I cannot access it through...
  20. S

    [SOLVED] Unexpected Behavior with Multiple Network Interfaces

    I have multiple interfaces going into PVE. My server has the following interface built in (Primary: enp87s0) which does not have native drivers built into the kernel. I've been able to install the drivers and get it working on 192.168.1.75/24 (vmbr0 on PVE). For redundancy, I wanted an interface...