Hi Cameron ,Listen we don't use router(I remember as i know router is a module to create a single IP conected to modem output)we use a modemrouter It doen't allow to control a single pc,I bought a switch 8 chanels (cheap you know)But I think we don't use router,he pc alredy has a lan on the motherboard,mine doesnt so I bought an ethernet pci card,I just want to know if I conect two card at the same time ,so when Im here at home I turn my pc on and gave him signal,is an excuse to see what his watching,I can plug him on any on the 6 reamins chanels but ,what if he began to see ,what I don't want him to see it yet,Also the most important!
I can have the luxury

at this time to buy a ethernet pci card If it wont work ,Due that I did have to paid a lot to have internet,Here in this coutry is a luxury ,trust me buddy,Im very short right now of money,see..Thanks buddy!!