Since Esonic’s official website is often defunct or insecure, you should use trusted, authoritative sources.
sudo modprobe r8168 (or e1000e, igb).ip link show and ethtool eth0.You’ve installed the Realtek driver, but the network still fails. Try these advanced fixes. esonic h61 motherboard lan driver
Realtek provides official drivers for all their Ethernet chips. Since Esonic’s official website is often defunct or
This site archives older drivers. Useful if your Esonic H61 uses an extremely old Realtek chip like RTL8100C. In Linux: