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I'm working on a home set-up where I can split my network cable to use two computers on one side, and two ports on my modem on the other side (so a 2-1-2 config). I have the following set-up:
- 1 (longer) gigabit network cable between the 2 computers and my modem.
- 2 ISDN RJ45 splitters
- cat 5 cables between my two computers and one splitter, and two cat 5 cables between the other splitter and two ports on the modem.
However, whenever I have both cables connected on my modem and just one cable (to one PC) to the splitter, my PC cannot get a connection (it just shows unplugged). Whenever I take out one of the cables on the modem side, it starts working again.
I've understood this should work as long as I also have it connected to two ports on the modem, but I can't get it to work. Do I need different cables? Or is this a method that just doesn't work anymore?
I understand this is also not a preferred method (and something like a switch would be better), but I am trying to run this cheaply for a short period of time, and running two long cables is not an option unfortunately.
I believe you need a minimum of a hub and better a switch - which you've said you don't want. A switch is better than a hub. Also, the modem must be able to assign more than one IP address which means it'll need router functions or you'll need to talk to your ISP to get an extra IP. – headkase – 2018-01-15T21:12:41.333
And if you have a cheap router lying around just run one cable from the modem and use the router to split it and also assign IPs. That would be a good method if you do have one kicking around. – headkase – 2018-01-15T21:15:38.223
@headkase Sorry, I should have specified, it's a router/modem combo from my ISP. – Deniz Zoeteman – 2018-01-15T21:27:00.460