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Bridging 2 modems with their own seperate internet


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#1 vanni784

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Posted 27 September 2017 - 12:41 AM

Hello guys, We just got a new internet connection and now we have two. Now I need help in bridging 2 modems so that the pc's from modem 1 can connect to the pc's from modem 2. Thanks for the help.

 

https://imgur.com/Cy3RiPJ


Edited by vanni784, 27 September 2017 - 12:46 AM.


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#2 Wand3r3r

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Posted 27 September 2017 - 02:07 AM

I take it by modems you mean routers.

 

Start by running a network cable from router1 lan port to router2 lan port

 

Set both routers to use the same subnet like 192.168.1.0/24

So router1 gateway would be 192.168.1.1

Router2 gateway would be 192.168.1.2

 

Now the problem is pcs attached to router2 can be given a ip address when requested from router1

 

Your options are:

do static ip assignments to all devices so they get the correct gateway/router/internet connection

or

do dhcp ip address reservations based on mac address [which is just like static assignments but you do it via the routers]

or

make small dhcp scopes.  so the dhcp server in router1 would have .100 to 103 [4 hosts] and router2 would have 200 to 205 [again 4 hosts]

you wouldn't care who got what gateway since they would be pretty well balanced.


Edited by Wand3r3r, 27 September 2017 - 02:07 AM.


#3 arlattimor

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Posted 27 September 2017 - 03:48 AM

From your Network Diagram, it looks as if Modem2 is a modem/router combo is that correct? Also, what is the IP Address Range of the PCs attached to the switch? 


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#4 vanni784

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Posted 27 September 2017 - 04:44 AM

Yup, sorry for the wrong term it is a router. the ip address of the router on the left is 192.168.254.?? and on the right is 192.168.1.?? . 



#5 arlattimor

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Posted 27 September 2017 - 07:08 AM

What operating systems are you working with for all of your pc.


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#6 Wand3r3r

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Posted 27 September 2017 - 09:46 AM

Do you know how to change the lan settings in the routers?






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