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The Wake-on-LAN works in Windows 10 both after sleep mode and after shutting down but it does not work in Ubuntu 18.04 Kernel 5.4.0-58-generic RTL8111/8168/8411. My ethernet card is RTL8111/8168/8411 and the installed driver is r8169 as you can see in the output of the following commands. This is a laptop, if it matters.

#lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 18.04.5 LTS
Release:        18.04
Codename:       bionic

#uname -r
5.4.0-58-generic


sudo lshw -C network


-network
   description: Ethernet interface
   product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
   vendor: Realtek Semiconductor Co., Ltd.
   physical id: 0
   bus info: pci@0000:01:00.0
   logical name: enp1s0
   version: 15
   serial: ***********
   size: 100Mbit/s
   capacity: 1Gbit/s
   width: 64 bits
   clock: 33MHz
   capabilities: pm msi pciexpress msix bus_master cap_list ethernet physicatiation
   configuration: autonegotiation=on broadcast=yes driver=r8169 duplex=full ncy=0 link=yes multicast=yes port=MII speed=100Mbit/s
   resources: irq:16 ioport:3000(size=256) memory:4f804000-4f804fff memory:4

I have noticed that, even though running sudo ethtool -s enp1s0 wol g changes the value of "Wake-on" variable displayed by ethtool from "d" to "g", making this does not make Wake-on-LAN functionality to work. That means, if I take the laptop to sleep mode right after updating the value of "Wake-on" variable from "d" to "g", the computer does not wake up on LAN.

Moreover, if I reboot the computer right after setting the value "g" on the "Wake-on" variable, this variable gets the value "d" back again after a reboot.

Does anyone have any suggestion to fix this?

thosecars82
  • 145

2 Answers2

0

Assuming you are using NetworkManager, Try this: get your connection name

sudo nmcli connection show

modify it

sudo nmcli connection modify id "your connection name" 802-3-ethernet.wake-on-lan magic

That will modify your connection profile in /etc/NetworkManager/system-connections

reboot

Jean-Marie
  • 2,018
0

I had the same issue where my ethernet card was not working. I updated the kernel to 5.9 and it worked like a charm.

John Hart
  • 31
  • 2