[SOLVED] How to port forward to devices on sub network?

Jammy_D

Reputable
Nov 15, 2015
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I have a Virgin Super Hub (192.168.0.1) with an ethernet cable linking it to another router (192.168.1.101). Is there a way I can port forward to run game servers from a device (192.168.1.xxx) connected to the second router? Devices on the second router's network are not visible from the first. Thanks in advance

Network setup
 
Depends what you mean. If the second router has a wan port on the 192.168.0.x network then you can just port forward 2 times.

The concept of multiple networks is not really supported by consumer "router" They are not true routers when you compare them to a commercial router. They pretty much only take a single network and translate it to a single wan ip address. They do not support multiple networks behind the same nat. A commercial router can do that but these devices are better called internet gateways rather than routers.
 
Every time u change subnet it means a new NAT device just got inserted. Port Forwarding occurs at the NAT box. So if you have multiple NAT boxes then you have to PF AT EVERY NAT BOX. Assume NAT1, NAT2, client.

NAT1: Source WAN, Dest NAT2
NAT2: Source NAT1, Dest Client.
 

Jammy_D

Reputable
Nov 15, 2015
8
0
4,510
Depends what you mean. If the second router has a wan port on the 192.168.0.x network then you can just port forward 2 times.

The concept of multiple networks is not really supported by consumer "router" They are not true routers when you compare them to a commercial router. They pretty much only take a single network and translate it to a single wan ip address. They do not support multiple networks behind the same nat. A commercial router can do that but these devices are better called internet gateways rather than routers.
Thanks, port forwarding twice and using NC to open a port resulted in outside services being able to see it.
 

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