Connect LAN and WAN devices

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ruyeiro
DD-WRT Novice


Joined: 12 Aug 2016
Posts: 2
PostPosted: Fri Aug 12, 2016 17:36    Post subject: Connect LAN and WAN devices Reply with quote
Hi...

I have devices connected via WAN and devices connected via LAN. I am trying to reach a LAN computer from a WAN device. But I am unable to even ping the LAN Computer.

My router is a TP-LINK WR841ND flashed with DR WRT.

Any suggestion?
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Per Yngve Berg
DD-WRT Guru


Joined: 13 Aug 2013
Posts: 6870
Location: Romerike, Norway
PostPosted: Sat Aug 13, 2016 8:58    Post subject: Reply with quote
You have supply some more information. Is the WAN Port connected to the Internet or a Private Network?

Is the router Operating in Gateway or Router Mode?

There are two things that prevent you from connecting WAN->LAN

1. Firewall
2. NAT
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ruyeiro
DD-WRT Novice


Joined: 12 Aug 2016
Posts: 2
PostPosted: Sat Aug 13, 2016 21:56    Post subject: Reply with quote
Per Yngve Berg wrote:
You have supply some more information. Is the WAN Port connected to the Internet or a Private Network?

Is the router Operating in Gateway or Router Mode?

There are two things that prevent you from connecting WAN->LAN

1. Firewall
2. NAT



Thanks for answering and here is the info you ask...

The WAN port is connected to a switch in a private network and configurated as a gateway.

My network is: Modem ISP connected to a server (WAN network adapter), the server (LAN adapter) connected to a switch, router TP-LINK connected to the same switch and the laptop connected via WiFi to the TP-LINK router.

Sorry for my English, I'm from Venezuela and haven't found the solution
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Per Yngve Berg
DD-WRT Guru


Joined: 13 Aug 2013
Posts: 6870
Location: Romerike, Norway
PostPosted: Sat Aug 13, 2016 22:08    Post subject: Reply with quote
You have several options.

1. Configure your dd-wrt router as an ap. Conect a lan port to the server. Everything will be on the same sub-net.

2. Set your dd-wrt router in Router mode. Use a different private network on all sub-nets. Make sure all routers have a route to all networks.

3. Set a port forward to transverse the nat. Use the ip of the wan port for access.
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