Connection between three mac devices.

Hello mac community. First of all I want to apologize for my English.
I would like to ask you question from my teacher.
My teacher have Mac Desktop Pc.
He have his Mac desktop PC connected with external hard-disc and creating back-up with mac software name : TimeMachine its making every hour automatically back-up from Mac desktop to external hard-disc.
So he have connected hard-disk with Desktop Mac via Time Machine with cable. But he have mac laptop too.
And he would like to connect his laptob between those devices! and create something like triangle network. Because he want to make back-up also from laptop. Not only from Desktop pc to external hard-disc.
I dont know if iCloud have this options. It is possible? I apprecite every help.
Sorry I am newbie and mac is too expansive for me, so I dont have own. But please I would like to solve this problem.
Thank you for your answers
Best regards
Frank

iCloud does not help in connection multiple macs to a Time-Machine backup device.
He could connect the external HD to one mac, keep that mac on all the time, and on the other mac, mount the HD and set up Time-Machine to use that HD. Or he can buy a Time Capsule from Apple so all macs back up to it.

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Message was edited by: Stefan Gregor

Stefan Gregor wrote:
What could this be?
_*wireless interference*_ ?
download iStumbler (free) and note the channels other networks in your vicinity are broadcasting on. change the channel(s) of your network as far away as possible from those.
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Home Index
Transferring files between two computers using FireWire
If you have two Mac computers that are FireWire-equipped, you can connect them so that one of them appears as an external hard disk on the other. This is called “target disk mode.”
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Connection between three mac devices.

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