eakwone

New Member
Mar 15, 2026
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Hi Proxmox pros !
I'm installing a bare metal Proxmox and having some problems with my Realtek R8126 and R8127 network cards, which are having trouble being recognized by Proxmox VE 9.1.1
Version 9.1.1 uses kernel 6.17.2-1-pve by default and I've tried a lot of fix but nothing works.
I managed to get everything working using a USB-C to RJ45 adapter but this is not the solution.
I changed my kernel to 6.8 and uninstalled the r8169 to replace by r8126 and that works, contrary to default 6.17.2-1-pve. I'm currently unable to get the other card to work (r8127).
My question is : Is it recommended to modify the default kernel and run on 6.8 ? Because I saw online that Proxmox kernels were modified and adapted for virtualized operating systems.
Thanks for your help !
 
8127 is new and requires kernel 6.16 or higher. I run both an on-board 8127 and a PCIe 4.0 8127 card on Proxmox 9.1.4 kernel 6.17.4-2-pve on my first node and the second node now upgraded to Proxmox 9.1.6 kernel 6.17.13-1-pve. Been stable since I built them in January.