Wake On LAN

[Patrick O'Callaghan]

I'm trying to set up WOL for my desktop. I've enabled the feature in
BIOS and set my router config to send magic packets on the wired
connection, but clearly there's something else I need to do. Wakeup
does work from the front panel button on the case, but nothing happens
when I try it over the LAN.

The man page for ethertool has a number of entries for setting WOL, but
nothing I can see for checking it.

Suggestions welcome.

poc

[Michal Schorm]

I remember the Arch has a good guide with a number of different approaches.
You may try if some other approach works for you at all and only after
that debug the one approach you want to implement as final solution.
https://wiki.archlinux.org/title/Wake-on-LAN


--

Michal Schorm
Software Engineer
Core Services - Databases Team
Red Hat

--

On Wed, Jun 21, 2023 at 1:52 PM Patrick O'Callaghan
<pocallaghan(a)gmail.com&gt; wrote:
>  I'm trying to set up WOL for my desktop. I've enabled the feature in
>  BIOS and set my router config to send magic packets on the wired
>  connection, but clearly there's something else I need to do. Wakeup
>  does work from the front panel button on the case, but nothing happens
>  when I try it over the LAN.
>
>  The man page for ethertool has a number of entries for setting WOL, but
>  nothing I can see for checking it.
>
>  Suggestions welcome.
>
>  poc
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[Patrick O'Callaghan]

On Wed, 2023-06-21 at 13:57 +0200, Michal Schorm wrote:
>  I remember the Arch has a good guide with a number of different
>  approaches.
>  You may try if some other approach works for you at all and only
>  after
>  that debug the one approach you want to implement as final solution.
>  https://wiki.archlinux.org/title/Wake-on-LAN 
Thanks, I always forget how useful the Arch docs are.

poc

[Tom Horsley]

On Wed, 21 Jun 2023 12:52:04 +0100
Patrick O'Callaghan wrote:

>  Suggestions welcome. 
Not necessarily a useful suggestion, but I always found wake on lan
support to be very spotty and unreliable. I've got all the systems
I want to turn on remotely set to boot at power up and use home
automation to turn on the power, seems much more reliable now.

[Patrick O'Callaghan]

On Wed, 2023-06-21 at 08:37 -0400, Tom Horsley wrote:
>  On Wed, 21 Jun 2023 12:52:04 +0100
>  Patrick O'Callaghan wrote:
>  
>  > Suggestions welcome.
>  
>  Not necessarily a useful suggestion, but I always found wake on lan
>  support to be very spotty and unreliable. I've got all the systems
>  I want to turn on remotely set to boot at power up and use home
>  automation to turn on the power, seems much more reliable now. 
You mean using suspend-to-disk rather than suspend-to-RAM? I guess it's
an interesting alternative.

poc

[Alex Gurenko]

I'm using WOL in my home setup, apart from enabling PCIe devices wake up in a BIOS,
I'm setting following for the connection:

```
nmcli c modify <connection name> 802-3-ethernet.wake-on-lan magic
```

This unfortunately sometimes get reset with a kernel update, but lately working without
re-applying it.

---
Best regards, Alex


------- Original Message -------
On Wednesday, June 21st, 2023 at 13:52, Patrick O'Callaghan
<pocallaghan(a)gmail.com&gt; wrote:


> I'm trying to set up WOL for my desktop. I've enabled the feature in
> BIOS and set my router config to send magic packets on the wired
> connection, but clearly there's something else I need to do. Wakeup
> does work from the front panel button on the case, but nothing happens
> when I try it over the LAN.
> 
> The man page for ethertool has a number of entries for setting WOL, but
> nothing I can see for checking it.
> 
> Suggestions welcome.
> 
> poc
> _______________________________________________
> users mailing list -- users(a)lists.fedoraproject.org
> To unsubscribe send an email to users-leave(a)lists.fedoraproject.org
> Fedora Code of Conduct:
https://docs.fedoraproject.org/en-US/project/code-of-conduct/
> List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines
> List Archives:
https://lists.fedoraproject.org/archives/list/[e-mail]
> Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue

[Patrick O'Callaghan]

On Wed, 2023-06-21 at 13:05 +0000, Alex Gurenko via users wrote:
>  I'm using WOL in my home setup, apart from enabling PCIe devices
> wake
>  up in a BIOS, I'm setting following for the connection:
>  
>  ```
>  nmcli c modify <connection name> 802-3-ethernet.wake-on-lan magic
>  ```
>  
>  This unfortunately sometimes get reset with a kernel update, but
>  lately working without re-applying it.
>   
Thanks. I may try that. I'd like to be able to check if WOL is already
enabled, but maybe the Arch doc already cited by another responder can
tell me that.

poc

[George N. White III]

On Wed, Jun 21, 2023 at 6:30 PM Patrick O'Callaghan <pocallaghan(a)gmail.com&gt;
wrote:

>  On Wed, 2023-06-21 at 13:05 +0000, Alex Gurenko via users wrote:
>  > I'm using WOL in my home setup, apart from enabling PCIe devices wake
>  > up in a BIOS, I'm setting following for the connection:
>  >
>  > ```
>  > nmcli c modify <connection name> 802-3-ethernet.wake-on-lan magic
>  > ```
>  >
>  > This unfortunately sometimes get reset with a kernel update, but
>  > lately working without re-applying it.
>  >
>
>  Thanks. I may try that. I'd like to be able to check if WOL is already
>  enabled, but maybe the Arch doc already cited by another responder can
>  tell me that.
>  
Wake-on-lan has been working for me.  The Arch docs mention a systemd
package, but
I only needed the wol client package.

-- 
George N. White III

[Patrick O'Callaghan]

On Thu, 2023-06-22 at 08:33 -0300, George N. White III wrote:
>  On Wed, Jun 21, 2023 at 6:30 PM Patrick O'Callaghan
>  <pocallaghan(a)gmail.com&gt;
>  wrote:
>  
>  > On Wed, 2023-06-21 at 13:05 +0000, Alex Gurenko via users wrote:
>  > > I'm using WOL in my home setup, apart from enabling PCIe devices
>  > > wake
>  > > up in a BIOS, I'm setting following for the connection:
>  > > 
>  > > ```
>  > > nmcli c modify <connection name> 802-3-ethernet.wake-on-lan magic
>  > > ```
>  > > 
>  > > This unfortunately sometimes get reset with a kernel update, but
>  > > lately working without re-applying it.
>  > > 
>  > 
>  > Thanks. I may try that. I'd like to be able to check if WOL is
>  > already
>  > enabled, but maybe the Arch doc already cited by another responder
>  > can
>  > tell me that.
>  > 
>  
>  Wake-on-lan has been working for me.  The Arch docs mention a systemd
>  package, but
>  I only needed the wol client package. 
AFAIK the wol client is for sending magic packets, not receiving them.

poc

[George N. White III]

On Thu, Jun 22, 2023 at 9:14 AM Patrick O'Callaghan <pocallaghan(a)gmail.com&gt;
wrote:

>  AFAIK the wol client is for sending magic packets, not receiving them.
>  
Correct.  I use a  Wake-on-lan client when my Fedora box isn't accepting
ssh, then I can use ssh.  I
haven't needed to do anything to enable reception of the magic packets on
Fedora, but that may be
a function of the BIOS and network hardware and firmware.  Dual boot with
Windows may cause
problems as Windows has a low-power mode wake-on-wan mode for wifi.

-- 
George N. White III

[old sixpack13]

>  I'm trying to set up WOL for my desktop. I've enabled the
> feature in
>  BIOS and set my router config to send magic packets on the wired
>  connection, but clearly there's something else I need to do. Wakeup
>  does work from the front panel button on the case, but nothing happens
>  when I try it over the LAN.
>   
I'm doing it via terminal:
sudo ether-wake -i <local-LAN-device-name-here (e.g. enp3s0)>
<remote-MAC-here>

aboe command maybe a in an script, runable under nautilus ...

hint:
ether-wake is in package "net-tools" (default installed ?)

[old sixpack13]

...
>  
>  aboe command maybe a in an script, runable under nautilus ...
>   
s/aboe/above/

[Roberto Ragusa]

On 6/21/23 13:52, Patrick O'Callaghan wrote:
>  I'm trying to set up WOL for my desktop. I've enabled the
> feature in
>  BIOS and set my router config to send magic packets on the wired
>  connection, but clearly there's something else I need to do. Wakeup
>  does work from the front panel button on the case, but nothing happens
>  when I try it over the LAN. 
WOL is often problematic, you should at least try to see
- if your client is really sending the packet (sniff the network and check);
if not, try to specify interface or similar options
- if the machine has an active ethernet interface (if the LEDs on it or on
the switch are off, no chance, there must be at least 10/100Mbit/s link active);
if not, you have to enable WOL (or wake on event) in the BIOS, or with ethtool
on a booted system

Bad experience I had in the past (or present):
- NIC firmware bugs requiring you to send the MAC with octects in reverted order
- WOL listening only after a shutdown; if the power goes away and comes back
WOL doesn't work anymore (the BIOS was just "playing dead" waiting, but
needing power to keep this state)

Regards.

-- 
    Roberto Ragusa    mail at robertoragusa.it

[Patrick O'Callaghan]

On Fri, 2023-06-23 at 09:18 +0200, Roberto Ragusa wrote:
>  On 6/21/23 13:52, Patrick O'Callaghan wrote:
>  > I'm trying to set up WOL for my desktop. I've enabled the feature
>  > in
>  > BIOS and set my router config to send magic packets on the wired
>  > connection, but clearly there's something else I need to do. Wakeup
>  > does work from the front panel button on the case, but nothing
>  > happens
>  > when I try it over the LAN.
>  
>  WOL is often problematic, you should at least try to see
>  - if your client is really sending the packet (sniff the network and
>  check);
>  if not, try to specify interface or similar options
>  - if the machine has an active ethernet interface (if the LEDs on it
>  or on
>  the switch are off, no chance, there must be at least 10/100Mbit/s
>  link active);
>  if not, you have to enable WOL (or wake on event) in the BIOS, or
>  with ethtool
>  on a booted system
>  
>  Bad experience I had in the past (or present):
>  - NIC firmware bugs requiring you to send the MAC with octects in
>  reverted order
>  - WOL listening only after a shutdown; if the power goes away and
>  comes back
>  WOL doesn't work anymore (the BIOS was just "playing dead" waiting,
>  but
>  needing power to keep this state) 
Thanks.

poc

[Tom Horsley]

On Fri, 23 Jun 2023 09:18:32 +0200
Roberto Ragusa wrote:

>  - WOL listening only after a shutdown; if the power goes away and
> comes back
>  WOL doesn't work anymore (the BIOS was just "playing dead" waiting, but
>  needing power to keep this state) 
That's the main reason I started using home automation to wake up systems
by turning on the power and telling the bios to boot when power appears.
(Though there was one motherboard I saw at work once which had the boot
on power up setting, but it didn't function, it is usually more reliable
than WOL though).