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How Does Waking Up Clients For Backup Work?

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Hey there!

 

I'm curious, how does the wakeup for clientcomputers on scheduled backups work?

I'm running a rather untypical homenetwork with a routed(!) openVPN connection beetween my office and my homenetwork.

 

Homenetwork: 192.168.2.0 (all wired)

- WHS 2011:

- Client 1

- Client 2

- Client 3

- OpenVPN Server on VirtualBox running on the WHS mashine.

 

Office Network: 192.168.3.0 (all wired)

- Client 4

- Printer 'n stuff... .

 

The interesting thing here: Client 4 (on a different subnet then the WHS box) wakes up automatically when it's scheduled for backup. I'm pretty shure it's impossible for a magic packet to go cross-subnet.

Like, when I try to manually wake client 4 from client 1 by sending a magic packet, client 4 won't even think about waking up. When i'm trying the same thing on a computer within client 4's subnet, it works flawless. So, how does lightsout (on subnet 192.168.2.0) tells client 4 (on subnet 192.168.3.0) it's time to get backed up?

 

Yours

 

Leonard


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