How to setup a network with three routers

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shanukag

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Jan 6, 2017
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Hi,

i have 1 router which gets the internet connection from a modem. Now, i have two more wireless routers which i want to use as switches. I turned off DHCP in both the routers, but then the connection gets messed up (Internet works sometimes and sometimes it doesn't). So I would highly appreciate if anyone could advise me as to how to correctly set this up?

Best Regards,
Shanuka Gomes
 
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nimbah_52
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bobmanuk

bobmanuk

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Jan 18, 2014
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are the other 2 wireless switches using DHCP? It might be worth changing them to static addresses, make sure the gateway is the IP of the main router and the DNS is the DNS IP of your ISP. Also, how are the other 2 routers connected to the main router? wireless or cabled?
 
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shanukag

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Jan 6, 2017
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No i turned DHCP off in both the wireless routers, only the main router is using DHCP (One that gets the internet connection).
So what i have to do to both the routers that i want to convert to switches is ;
1.Change the gateway of to the IP of the main router
2.Change the DNS IP to my ISP IP?

They are connected through ethernet cables.

Thanks for your quick reply btw!
 
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bobmanuk

bobmanuk

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Jan 18, 2014
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and thats good, If you log into the main router (the one with the internet connection) it will tell you your internet IP, the subnet, the gateway and 2 DNS addresses, only the last 2 are what you are interested in. You MIGHT get away with having the 2 satellite routers pointing to the main router for DNS but depending on load it might cause issues or slow loading. You could even use googles DNS service 8.8.8.8 or 8.8.4.4

And as nigel mentioned, make sure the network ports are connected lan to lan, that means plug the network cable into one of the 4 adjacent ports, not the dedicated WAN port

if this still causes problems you can try to ping the main routers IP address whilst connected to the satellite routers, this should help you identify where the fault is coming from.

 
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nimbah_52

nimbah_52

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Oct 9, 2011
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You should only have one device doing the routing on your network. Either put the 2 routers in access point mode or disable DHCP, firewall, upnp, port forwarding and other WAN features

If you're not going to be using the Wireless features it may be a better idea to buy actual dedicated switches. 5 port gigabit switches are quite cheap
 
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shanukag

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Jan 6, 2017
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Right, I'll assign static IPs to the two routers and assign the google DNS addresses and see. Thanks alot! But i can't change the default gateway from one of my satellite routers because it says "No WAN interface is created". Shall i just let it be or should the default gateway definitely be changed to the IP of the main router?
 
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shanukag

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Jan 6, 2017
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I had already done these before, only thing was i hadn't given a static IP to the routers. I did that now and will see. Thanks for your reply!
 
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nimbah_52

nimbah_52

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Sounds like you should be good.

There's isn't really any need to assign DNS servers for the routers if they're essentially acting as layer 2 switches. Devices connected to the switch will still resolve hostnames via whatever DNS DHCP tells it to.
 
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Daniel_403

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