----- Original Message -----
> From: "Ronciak, John" <john.ronc...@intel.com>
>
> I believe this is normal behavior.  Please check the systems WoL settings.  
> It's probably set up to wake on any traffic and not set to wake on just 
> "magic packets" (the WoL specific packets).  On WoL enabled ports the 
> MAC stays active looking for packets that are filtered looking to match one 
> of 
> its programmed filters.  Comparing the behavior to what happens in Windows in 
> the case probably won't match up.  As I said, please the WoL setting in the 
> system to see what it is looking for to wake up on.


Hello John.  Thank you for the kind reply.  I can say that I do not believe 
that any traffic is waking up the box.  I can unplug the NIC once booted, and 
shutdown only to have the box power up again.  I can find no setting in the 
BIOS to control what it wakes on.

Ethtool suggests that it is indeed awaiting a magic packet for the wake-up:

# ethtool eno1
Settings for eno1:
Supported ports: [ TP ]
Supported link modes:   10baseT/Half 10baseT/Full 
                        100baseT/Half 100baseT/Full 
                        1000baseT/Full 
Supported pause frame use: No
Supports auto-negotiation: Yes
Advertised link modes:  10baseT/Half 10baseT/Full 
                        100baseT/Half 100baseT/Full 
                        1000baseT/Full 
Advertised pause frame use: No
Advertised auto-negotiation: Yes
Speed: 1000Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 2
Transceiver: internal
Auto-negotiation: on
MDI-X: on (auto)
Supports Wake-on: pumbg
Wake-on: g
Current message level: 0x00000007 (7)
       drv probe link
Link detected: yes

The manpage for ethtool says that a "Wake-on" setting of g corresponds to magic 
packet.  Interesting, if I set it to "d" for disable, it still goes down, waits 
a few sec and powers up all by itself.

Any other advice is deeply appreciated.

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