proxmox-RTL8125

List realtek devices

lspci | grep -i rtl

Connect to the network with another interface

ip addr show
ip link set enp12s0f3u3 up
dhclient enp12s0f3u3
ping 1.1.1.1

Change to the community mirror if you don't have an enterprise subscription

echo 'deb http://download.proxmox.com/debian/pve bullseye pve-no-subscription' > /etc/apt/sources.list.d/pve-enterprise.list

setup

• Select the download option "2.5G Ethernet LINUX driver r8125 for kernel up to 5.6" from here

• Solve the captcha and extract the temporary download link to replace to the one in the wget call

Run the script

./setup.sh

Connect to the network with RTL8125

ip addr show
ip link set enp0s0 up
dhclient enp0s0
ping 1.1.1.1

Assign the RTL8125 interface as a bridge-port for your vmbrX

vi /etc/network/interfaces