Setting up wake-on-lan through a router?

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inittab2011-09-14 10:42:42

Ruby on Rails

inittab, 2011-09-14 10:42:42

The essence of the problem: there is a Netgear WNR3500L router (I think that the model is not important), there is a computer connected to this router. There is access from the outside to the router (i.e. normal real, albeit dynamic, IP). I would like to ensure that the computer can be woken up from the off state by sending it a Magic Packet, and then use RDP.
Wake-On-Lan is configured on the computer itself, and if you send a “magic packet” from inside the home network, the computer turns on normally (I use an android phone for this purpose). Moreover, the packet is sent to the external IP address of the router. But when sending a signal "outside", i.e. via 3G-Internet from the same phone, nothing happens to the computer.
The router is configured to forward incoming ports 7 and 9 to the desired internal address, the computer is statically linked to this address.
Does anyone have any ideas what else can be tweaked in the router settings to make it work?

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5 answer(s)

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korvindest, 2011-09-14
@korvindest

A similar issue was discussed at IXBT .
The topic is chaotic, but the main thesis is that the wake-up caller (Buddist) must be in the same local area with the computer, because the packet is broadcast and addressed to the MAC. This is organized by a VPN tunnel. In addition, I personally saw a couple of times Routers that supported the function of waking up the computer in LAN as a feature.

M

Manitou, 2011-09-14
@Manitou

Try portforward.com/english/routers/port_forwarding/Netgear/WNR3500L/Wake_on_LAN.htm a
similar method, but for dlink dir-615 it helped me, in due time.

M

m08pvv, 2011-09-14
@m08pvv

Is broadcast traffic routed to LAN?
It's just that a magic bag is sent to *.*.*.255, and routers almost always by default do not let anything that goes to such an address.

K

Kirill Rybakov, 2011-09-14
@Solomir

If there is no such feature on the alternative firmware, you can write a script that would listen to ports 7 and 9 and send a packet to the local area on an event.

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xandr0s, 2011-09-15
@xandr0s

Specifically, this Netgear model supports OpenWRT , and under OpenWRT WOL works using the enterwake utility