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WNDR3400v3 Remains Active for a Shut Down PC

DERoss
Apprentice

WNDR3400v3 Remains Active for a Shut Down PC

Netgear N600 Wireless Dual Band Router
Model WNDR3400v3

 

When I shut down my PC, the router's LAN port LED for my connection turns amber.  The User  Manual says that this means there is still a 10 Mbps link with the PC.  If I disable my PC's connection to the router -- easily done with a small application whose icon is on the notification area (for earlier Windows versions, the tray) -- the LED goes out, which means there is no link between my PC and router. 

 

Why does a link remain active between the router and a shut-down PC?  Is this not a security issue? 

Message 1 of 4
DERoss
Apprentice

Re: WNDR3400v3 Remains Active for a Shut Down PC

Further informaiton --

 

My PC:  Windows 7 Ultimate SP1 x64

My wife's PC:  Windows XP SP3

Both wired to the router.  Router settings have WiFi disabled. 

 

After I posted my original note, I saw that someone else had a similar question about a different router model.  In that case, the amber LED was blinking.  Disabiling "wake on LAN" resolved the issue. 

 

In my case, the amber LEDs were on steadily, not blinking.  I disabled "wake on LAN" on both my and my wife's PCs.  That seems to have resolved the issue for my PC but not for my wife's PC. 

Message 2 of 4
antinode
Guru

Re: WNDR3400v3 Remains Active for a Shut Down PC

> Why does a link remain active between the router and a shut-down PC?

 

   Because your "a shut-down PC" keeps its Ethernet interface active,
even when you think that it is "shut-down".

 

> Is this not a security issue?

 

   Typically not.  If it worries you, then you'd need to use a real
power switch, or disable the Ethernet interface in stand-by mode in the
computer's firmware/BIOS, or use your (unspecified) "a small
application".

 

   The primary value of using the computer's stand-by power supply to
power its Ethernet adapter is to enable a feature called Wake-on-LAN.

 

      https://en.wikipedia.org/wiki/Wake-on-LAN

 

If you don't want it, then you should be able to disable it.


> My PC: Windows 7 Ultimate SP1 x64
> My wife's PC: Windows XP SP3

 

   The OS is less important than the hardware (and its associated
firmware/BIOS).

 

> [...] I saw that someone else had a similar question [...]

 

   Thanks for the helpful link.

Message 3 of 4
DERoss
Apprentice

Re: WNDR3400v3 Remains Active for a Shut Down PC -- SOLVED

On my wife's PC, I finally solved this problem.  Besides disabiling Wake-on-LAN (WoL) in BIOS, I had to go to the Control Panel, where I had to disable several WoL capabilities.  Now, when her PC is shut down, the router's LAN port LED for that PC goes out, not amber. 

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