Is this going to conflict?

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dannieboiz

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Mar 25, 2013
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Can I have 1 router feeding 2 other routers connected to the WAN ports but having the same LAN IP?

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Your problem is either you connect the lan together behind the 2 routers and have DHCP conflicts or you disable the dhcp server and then only 1 router is really used. Your other option is to not hook the lan together but then it really doesn't matter what the lan addresses are. They can be the same different or whatever just like your neightbor can use the same ip. This will isolate them but then you can not share files.

You can not do what you want to accomplish with consumer routers. You would want layer 3 switches and maybe use something like VRRP to control the gatewy
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dannieboiz

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Mar 25, 2013
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sharing 1 internet connection to 2 separate routers while maintaining the IP address of the 2 router behind the main one.

It's mandatory that I keep the 2 routers @ the 2 site independent and would like (not must) the two routers to have the same LAN IP. Just

I know it's a weird one.

 
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t53186

t53186

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Aug 6, 2006
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Well if you bridge the second router to the first then the second router will be on the same network as router #1. So you lan addresses will be on the same network (example 192.168.1.xxx where x is the computer ip) and all traffic wil be routed to the first router.

Or use the second router and have a different network address (example 192.168.2.xxx), bridge the third router to the second and all computers on that network will be on 192.168.2.xxx and the first router will use a network address of 192.168.1.xxx.

Am I following what you are trying to do?
 
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Biff7171

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Jan 24, 2017
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On a network you cannot have 2 objects with the same IP if you want them on the same subnet simply assign one to 192.168.1.1 and the second to 192.168.1.2 additionally make sure if they are setup with DHCP to have the ranges separate so that they both don't assign the same IP to 2 different systems. other then that you can have as many routers as you want on the same subnet as long as there is an available IP.
 
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dannieboiz

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Mar 25, 2013
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I understand that on the same network you cannot have 2 same IP BUT in this scenario

router 1 and 2 will have different WAN IP DHCP or static from the primary router so I won't really having the same IP on 1 LAN here.
 
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bill001g

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Aug 9, 2012
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Your problem is either you connect the lan together behind the 2 routers and have DHCP conflicts or you disable the dhcp server and then only 1 router is really used. Your other option is to not hook the lan together but then it really doesn't matter what the lan addresses are. They can be the same different or whatever just like your neightbor can use the same ip. This will isolate them but then you can not share files.

You can not do what you want to accomplish with consumer routers. You would want layer 3 switches and maybe use something like VRRP to control the gatewy
 
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