Port forwarding with two routers

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renega

Prominent
Feb 24, 2017
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Hi, first of all id like to thank you all for this forum and to portforwards for its amazing website, im not a native english speaker so sorry for my bad english.

Now the the issue: I have two routers in my house, R1 and R2, R1 which recieves my internet from outside and R2 re-routes it to my pc. I want to port forward some ports for gaming but i'm having big issues.

R1 - (Cisco DPC3928S WHICH I WONT PUT ON BRIDGE MODE BECAUSE PPL NEAR IT USE THE WI-FI) - internal ip 192.168.0.1
R2 - (TP Link TL-WR940N) - internal static ip 192.168.0.28
PC - static ip 192.168.1.128

I already used all guides on the portforwarding website and i can't make them work when i test the port with the PF software, WTF am i doing wrong can someone give me directions ?
renega

Posts: 1
Joined: Fri Feb 24, 2017 3:27 pm
 
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If your ISP does not allow port forwarding then you are pretty much dead in the water.
You can look into proxy and VPN options but that will cost money and use bandwidth resources.

For port forwarding:
PC needs to be on static IP and make sure application is running and is configured for your port (we will call it port Y).
Router needs incoming port set to Y and local port set to Y and of course your computer's static IP address
Some routers that require you put a range (even if using a...
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kanewolf

kanewolf

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May 29, 2013
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Using it as an access point won't prohibit it from doing that. It will just allow all your devices to be in the same address space (192.168.0.x) as R1. Consequently no port forwarding required on R2.
 
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boosted1g

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Jun 12, 2013
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Does router 1 recieve internet from the ISP, or does router 1 recieve a wifi signal from a different router?

In general when you have multiple layers of NAT of you have to port forwaard each chain.
Internet comes in to router 1 from ISP, port forward to router 2's IP address, router 2 port forwards to router 3s static IP address............final router port forwards to PCs static Ip address.

Now if your cisco router is not getting internet from the modem/media converter but from another router then the cisco is not really router 1, it is router 2 and thus without access to the actual first router to set it to port forward to the cisco, this is not going to work.

Depending on your setup kanewolf could very much be right that having the router set as access point would be the wiser way to configure it. Without more details of your setup I cant say if router 1 or router 2 should be the AP or if really do need both NATs
 
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renega

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Feb 24, 2017
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R1 recieves the internet from the ISP AND passes it on to R2, also i tried conecting my pc directly to R1 and port forwarding, still didnt work.
 
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boosted1g

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Jun 12, 2013
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Does devices plugged into Router 2 need to be seggregated from devices on router 1 (meaning device on router 1 cant stream video or access a network share with device on router 2). I fthe answer is no then Router 2 should be setup as an access point. If you do need the security then by all means keep the current setup.

Now to the portforwarding issue.
Can you be specific on what you are trying to port-forward and how you are testing it?
The online port-forward testers check your WAN ip (not your computer's local IP) to see if the port is open, and this requires that whatever applicaiton you are opening the port for has to be running as the portforward tester is looking for a response back form the application.

EDITED:
Also, most residential grade ISPs block standard ports like 80, 443, and 21 so if you are trying to run an applicaiton (like ftp or web server) on a standard port then it likely wont work.
 
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renega

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Feb 24, 2017
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510
Sure, im trying to port forward GTA V online and For honor, both which are p2p games. I googled a bit and i read that my ISP doesn't support port forwarding(block ports) or something like that, is that even possible ? I live in brazil btw not US
 
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boosted1g

Titan
Jun 12, 2013
14,846
8
74,965


If your ISP does not allow port forwarding then you are pretty much dead in the water.
You can look into proxy and VPN options but that will cost money and use bandwidth resources.

For port forwarding:
PC needs to be on static IP and make sure application is running and is configured for your port (we will call it port Y).
Router needs incoming port set to Y and local port set to Y and of course your computer's static IP address
Some routers that require you put a range (even if using a single IP) are picky about the way you need to enter it.
 
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