How to set up 2 networks with two routers on one modem?
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Thread created 02-17-2013 by chevvy
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Thanks, folks. This is good stuff. So right now I am daisy chained from modem to 192.168.1.x to 192.168.2.x. Everything is working except for internet access on 192.168.2.x. The wired connection...
How to set up 2 networks with two routers on one modem?
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Thread created 02-17-2013 by chevvy
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18 Replies
12,108 Views
Thanks, folks. This is good stuff. So right now I am daisy chained from modem to 192.168.1.x to 192.168.2.x. Everything is working except for internet access on 192.168.2.x. The wired connection...
How to set up 2 networks with two routers on one modem?
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Thread created 02-17-2013 by chevvy
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18 Replies
12,108 Views
Yeah, I'm double NAT'ing, but I don't care if the guests are double NAT'd. The alternative would be to place the guest router ahead of the primary router and rely on the primary router's firewall to...
How to set up 2 networks with two routers on one modem?
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Thread created 02-17-2013 by chevvy
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Nice solution eibgrad ! Forgot about the firewall rules but looks like it'd work.
How to set up 2 networks with two routers on one modem?
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Thread created 02-17-2013 by chevvy
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Yea your double natting and using acl's to prevent the guest from accessing the other network kind of like a vlan.
How to set up 2 networks with two routers on one modem?
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Thread created 02-17-2013 by chevvy
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Multiple DHCP servers is only an issue if daisy chained LAN to LAN. I'm recommending LAN to WAN (of the guest router). So it's a non issue.
How to set up 2 networks with two routers on one modem?
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Thread created 02-17-2013 by chevvy
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OK got you :)
If he plans on daisy chaining the routers he will still run in to issues as he has 2 dhcp servers. If he goes that method he should setup a vlan on port one of router 1 that connect...
How to set up 2 networks with two routers on one modem?
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Thread created 02-17-2013 by chevvy
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You are correct I meant /24 and /25 that would be sub-netting not supernetting
:iagree:
Best way to do it with your current setup...essentially using the firewall to segregate traffic...
How to set up 2 networks with two routers on one modem?
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Thread created 02-17-2013 by chevvy
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FWIW, here's what I do.
I have a guest router (dd-wrt) that's daisy chained via its WAN port behind my primary router. So yes, the guest network is double NAT'd. This works fine except for one...
How to set up 2 networks with two routers on one modem?
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Thread created 02-17-2013 by chevvy
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A /23 would be a super net on a class C and go from 192.168.0.0-192.168.1.255
A /23 would be a normal class c and go from 192.168.1.255. So they would conflict in the 192.168.1.0 network. Unless...
How to set up 2 networks with two routers on one modem?
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Thread created 02-17-2013 by chevvy
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Incorrect... different sub-net definitely change's the network that's all what CIDR is about
192.168.1.0 /24 is different network/host division from 192.168.1.0 /25 so it is a different (sub)...
How to set up 2 networks with two routers on one modem?
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Thread created 02-17-2013 by chevvy
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Changing your subnet mask does not change your network. But since the op would be natting the 2nd network it would not matter anyway. I would still do one as .1.0 and the other network as 2.0 for...
How to set up 2 networks with two routers on one modem?
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Thread created 02-17-2013 by chevvy
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You are using private addresses so you can pick any subnet you want...
192.168.1.0 w/ 255.255.255.0 is a different network from 192.168.1.0 with 255.255.254.0
DHCP assigns the IP and subnet...
How to set up 2 networks with two routers on one modem?
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Thread created 02-17-2013 by chevvy
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Ok so you know how to setup the router from the modem. Just do it again with router2 and change the network ip to 192.168.2.1
Though as boltman2007 said if your goal is a guest network (I have...
How to set up 2 networks with two routers on one modem?
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Thread created 02-17-2013 by chevvy
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I'm not sure if my routers will do that. How do I set up the subnet masks differently? I currently have one set up for OpenDNS.
How to set up 2 networks with two routers on one modem?
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Thread created 02-17-2013 by chevvy
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What you want is a "guest" network.... easiest way is to buy a router that does that.
See NAT does not care and it will be hard to implement and segregate with the two routers you have .
IF...
How to set up 2 networks with two routers on one modem?
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Thread created 02-17-2013 by chevvy
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Thanks. In order to set this up, what do I need to do. I currently have the IP address of router 1 set to 192.168.1.1. Should I connect the modem to router 2 and set it up as 192.18.2.1 so that I...
How to set up 2 networks with two routers on one modem?
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Thread created 02-17-2013 by chevvy
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Yes its possable, its double Nating, I do it all the time. All you need to do is setup router 2 like you would any other router, plug a cable from one of router1's lan port in to the wan port of...
How to set up 2 networks with two routers on one modem?
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Thread created 02-17-2013 by chevvy
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So here's what I want to do. I want to use my existing modem and router. The modem is a modem and router, but I have turned wireless off and am using it as a bridge to the router. DHCP is still...
