Port-forwarding a Router/Modem combination

absolutecat

Commendable
Mar 28, 2018
1
0
1,510
So, I'm trying to port forward for a Minecraft server. Yeah, I know this has probably been asked a lot, but I feel like my situation is overly complicated. I'm decent with computers, not overly tech-savvy, but I feel like I figured a decent amount out.

I have a router-modem combo. The modem is a Linksys EA6900, and the router is a DLink DIR-815. I'm connecting to the settings pages for each using router IP 192.168.1.1, and modem IP 192.168.0.1. I believe these are the local IPs.

My PC has a static ID of 192.168.0.23, and the default gateway is 192.168.0.1. I'm connected by Ethernet cable to the DLink DIR-815 router.

I tried to port-forward my PC to 192.168.0.23+port 25565 in the router, and that worked just fine. Through a lot of googling, I found that I probably need to port-forward my IP in the modem too, so I tried that. It didn't work, so something is wrong. I tried port-forwarding to 192.168.0.23, but it told me that the IP is not in a valid subnet. More googling led me to find that I probably have a "double NAT", which would cause problems with gaming and opening single ports, but I'm not sure how to change that.

I read that I need to bridge my router, but I've no clue how to do that, either. I couldn't find any bridge setting in the D-Link options. I keep trying a whole bunch of stuff but I'm worried about messing up the network. I tried pinging my WAN IP but no matter what I do, it always responds negative. Does anyone know how to fix this? Thanks.
 
Solution
You should not have to port forward your modem, all a modem does is translate the signal from digital to analog or the other way around. Once the signal is translated it moves to the router, which then would forward the packet to your pc. Have you tried testing if someone can join the server?

SugarPsycho

Reputable
Sep 12, 2015
215
0
4,760
You should not have to port forward your modem, all a modem does is translate the signal from digital to analog or the other way around. Once the signal is translated it moves to the router, which then would forward the packet to your pc. Have you tried testing if someone can join the server?
 
Solution
Neither of those seem to be a modem/router combo. I would recommend trying to configure the one connected to the modem first. Keep the complexity as small as possible then once it's working add in what you need.

To bridge your router don't plug anything into the WAN port and turn DHCP off. You may not actually need both devices.

Your ISP might be blocking the ports you need. If that's the case you will have to deal with them to fix it.