adding wireless router to wired network

By hillelana ·
1. When researching this topic, I saw that the wireless router's lan port should be connected to the wired router's (which is the gateway providing the internet) lan port. I don't see why. Doesn't the internet signal go from the modem into a router's wan port, there to be distributed out through the lan ports? So the wireless modem's wan port should be connected to the gateway's lan port!
2. All the posts said the 2nd router's DHCP must be turned off. That didn't work. No IP got assigned to the wireless computer. When I left DHCP on, it assigned an IP address, and everything worked. The server is running the 1st DHCP, not the wired gateway. Any ideas why this is so, please?

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All Answers

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Question 1

by OH Smeg Moderator In reply to adding wireless router to ...

The Uplink Port is different to a WAN Port and is autosensing between a Crossover and Straight Connection so the Router needs to be connected to the Uplink Port of the WiFi Access Point.

Question 2

Without knowing the Make & Model of the Router at a guess I would say that the setup of that Device is set to separate the Wired and Wireless Networks so that the wired DCHP from the server is not being transfered tot he Wireless LAN.

You need to bridge and the Wireless and Wired LANs in the Routers Setup. But that's just my best guess without knowing what it is you are using.


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To clarify things a bit

by robo_dev In reply to adding wireless router to ...

A wireless router is three devices globbed into one:
a wireless access point (AP)
a wired ethernet switch
and a router/firewall.

The router uses the WAN port and sends traffic to both the AP and the (typcially) four wired lan ports. The AP and the switch are layer-2 devices, which mean they have no IP address, and any and all traffic will flow right through them.

Thus if you plug into the LAN port, you are setting up layer-2 access to the AP and the Switch. The router, in this case, does not get to play. However, assuming you already have a router that's a DHCP server, you cannot have two DHCP servers on the network. So you shut that part off.

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