Dlink router to router for internet connection

By Alex737ty ·
The desired connection is like this:
Desktop<--->Wireless Router A<----> Wireless Router B<---->Internet

**Router A is D-Link Wireless Router DIR-300**
**Router B is D-Link Wireless G ADSL2+ Router (DSL-2640B)**

My desktop do not have a LAN cable long enough for direct connection to Router B and no wireless adapter too. I wish to make use of the extra router (ie Router A) to make another wireless connection to Router B for internet surfing.

Please help me with a step by step guide on what to configure. Thank you.

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by Mehul Bhai In reply to Dlink router to router fo ...

AFAIK Not possible.
You will have to buy Wireless Network Adapter preferably USB.

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by Alex737ty In reply to No

Is it because of the router model?

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if you really want to....

by CG IT In reply to why?

assign a static IP address to the Wireless router WAN port that is on the router B LAN segment.

Assign different subnet on wirelress router LAN than router B.

DNS for both routers is your ISP DNS servers.

might consider enabling RIPv2 on both routers so they learn each other's routing tables.

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That will work fine, I use a router like that all the time

by robo_dev In reply to if you really want to....

the only tricky part is if you need to get from one network to the other, you need to have the correct firewall rules so the ports you need are open.

You can just do DNS forwarding through the two routers. The only thing that this could break would be an IPSEC VPN, but everything else would work just fine.

From a routing standpoint, you really don't need to do anything, since there is only one possible route.

I prefer to setup a DHCP reservation in one router for the other's IP address versus static IP, since it's less stuff to type.

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mind teaching me how to go about it?

by Alex737ty In reply to That will work fine, I us ...

i mean like a step-by-step guide for beginner..if possible..i have been searching all around internet for guidelines, but all the configurations don't match my routers thus I couldn't proceed further..

Thank you.

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I can give a starting point...

by TobiF In reply to mind teaching me how to g ...

You can find some discussion about using a wireless router the other way around here:

and here:

I haven't been playing with these things myself, though.

(But I can tell you that DD-WRT works fine on DIR300 :) )

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no mystery to it

by CG IT In reply to mind teaching me how to g ...

Router B is your first router and it's WAN port has your ISP configuration. It's LAN port has a private addressing. Not sure what Class C Dlink uses but most popular is as the subnet [where is the routers address].

for the wireless Dlink, you assign the WAN port with an address on the router B network. such as subnet mask. the default gateway is router B address, and DNS servers are your ISP DNS servers. plug an ethernet cable into the WAN port of the wireless router into the lan port of Router B.

For the wirless router, set the LAN address of the router as

all computers connected to it are addresses as

DNS servers are ISP DNS servers.

this allows internet access from the 192.168.2.X subnet through the router B subnet to the internet.

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Good, but...

by TobiF In reply to no mystery to it

The OP was asking how to link the routers over the air.
I.e. one of the routers should "receive" upwards connection from the other router via Wifi.

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Ah, how to link the routers by WiFi?

by CG IT In reply to no mystery to it

humm thought he only had 1 wireless router.

oh well.... my alzheimers must be getting the best of me...

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Gosh, that really would be a long lesson, but here goes.

by robo_dev In reply to mind teaching me how to g ...

I've been working with networks for more than 25 years, so I don't know where to begin.

First of all, the best advice is not to daisy-chain routers like this, as it slows down your connection, creates certain problems, and can be a pain to configure.

If you need to extend the network, just use an ethernet switch, as it is much, much simpler.

Alright, here are some pointers.

First, consider how the router connects your PCs to your ISP.

The router WAN interface uses automatically granted values for DNS address, IP address, subnet mask, and default gateway. This allows it to connect to the 'upstream router' at your Internet Service Provider.

The two things your router does for a PC connected to it are act as a firewall, and provide NAT (Network Address Translation). These two things provide some security, and allow your home network to use as many IP addresses as you like, typically in the 192.168.x.x range.

Just like the way the router attaches to the ISP, your PC gets DNS and DHCP services from the router, so it connects fairly easily.

Now if you plug a router into a port on your router, and it is configured to use DHCP, it should just connect and work. For all practical purposes, the second router thinks your primary router is the ISP, and it should just work. In this case you configure your second router to just use 'Ethernet' as it's connection type (not PPPoE), and plug the wan port of the second router into a LAN port on the first router.

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