Manually configuring 2wire modem/router

Acer Aspire easystore h340 network stora...
December 10, 2010 at 09:22:49
Specs: Windows 7
Hello, I recently obtained a 2wire modem/router for dsl broadband. I'm trying to manually set the default gateway of the 2wire for the purpose of joining two separate networks together to share a file server, without ip conflict problems, and so that each network will pull internet from their respective dsl lines. The 1st network has a default gateway of 192.168.1.254. I was planning on changing the 2wire network to a default gateway of 192.168.1.253. After browsing online however, it doesn't seem like that is possible, but they do allow for default gateways of 172.16.0.1 or 10.0.0.1.

So let's say I choose to use a default gateway of 172.16.0.1. When I went to my router configuration page, in boardband link -> advanced settings under broadband ip, I am allowed to manually configure ip address, but they have the following blank fields: ip address, subnet, and default gateway. Now, I know for subnet, i will use 255.255.255.0 and default gateway i'll use 172.16.0.1, but what do I put in for ip address? Just 172.16.0.1 also? I do apologize if this is a stupid question, but I just want to be sure. On the other network's modem/router, if I want to change ip address and default gateway of the unit, I just change its IP address and that will be the default gateway as well. So, I just want to be sure.

Also, on the homepage of the router, there is an option of a setup wizard...would I be able to do it through there? Any help is greatly appreciated, and thank you in advance!

Sorry, just realized that if I choose the default gateway of 172.16.0.1, the subnet mask is 255.255.0.0. I do need the subnet mask to be 255.255.255.0 so that both networks can share the file server. Would I be able to set the subnet mask to 255.255.255.0 with default gateway 172.16.0.1? If not, can i use 192.168.1.253 as a default gateway?


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#1
December 10, 2010 at 10:31:11
You have a lot of work ahead of you. How many pcs are we talking here? Are you running active directory?

You do nothing on the wan [broadband] page of the router. You only change the lan ip range.

Here is how you do it:

Run a crossover cable between the routers lan ports or connect both routers to the same switch.
Decide what ip subnet you want to use. There should be no reason that you can't use 192.168.1.x on the two wire router.
Set the two wire to 192.168.1.1 as its lan ip [assuming nothing is presently assigned that ip]
Disable dhcp on both routers
Manually assign the ip addresses to the pcs.
Designate which gateway each pc is to use.

You're done. Everyone is in the same subnet and can communicate with each other and the server. Which Internet access used depends on the gateway entry you assigned.

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#2
December 10, 2010 at 11:00:05
Hello wanderer, thank you very much for your response!
Network 1 has 12pcs, network 2 will have 6pcs. Yes, a lot of work ahead, but this is my plan so far. My other post about sharing a file server had a response which I will be using. On network 1, since it has so many pcs, it will have the following settings:
ip address (of router): 192.168.1.254
default gateway: 192.168.1.254
subnet mask: 255.255.255.0
DHCP: ENABLED (with a range from 192.168.1.2-.50

for my second network, I will be using static IP addresses, set from the PCs themselves. Its just with this, I need to change the default gateway of the 2wire since default is 192.168.1.254, which will cause the conflicts when users pull internet. And yes, already planning on using crossover cable to connect the routers together. My problem is trying to change the default gateway of the 2wire. In the options, i have to enter ip adress, subnet mask, and default gateway, under the broadband tab. That is where i'm getting confused, as I do not know if I just put 192.168.1.253 (let's say) as both the ip address and default gateway for the 2wire, or if there is any other screen where I am suppose to be changing this.

Hope that explains things better. thanks again! I look forward to your response.


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#3
December 10, 2010 at 11:33:53
"under the broadband tab"

That is the wrong tab. That's the wan. You want the lan.

If you don't know how or can't find where to chage the gateway ip on the 2wire then change the other routers ip address instead.

You still need to disable dhcp server on the 2wire.

ip address (of router): 192.168.1.254 <--- have no idea what you mean by this
default gateway: 192.168.1.254
subnet mask: 255.255.255.0
DHCP: ENABLED (with a range from 192.168.1.2-.50 <--- if you only have 12 pcs the dhcp scope should be smaller. Like .2- .13

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#4
December 10, 2010 at 11:59:34
I do apologize. I meant to say LAN IP address of network 1 is 192.168.1.254, which is the default gateway. The DHCP range is set as hi as it is due to the fact that we have contractors here and there and our office computers can grow temporarily.

I would rather change the LAN ip of the 2wire since it is a new network and no computers require it as of now. Thank you for pointing me in the right direction. If you'd be willing to, please instruct me further on how to access the LAN options of the 2wire.

Also, to disable DHCP, I read one post where it said to change username from .att.net to .static.att.net. Is that correct? That is still under the broadband side, so maybe I am still mistaken. Please let me know. Your help is greatly appreciated. Thanks


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#5
December 10, 2010 at 12:21:29
I have a 2wire combo unit (modem/router/AP) at home.

To change the LAN TCP/IP settings on mine I first connect to the management interface then go to, Home Network

Once there I click on Advanced Settings

In the "Advanced Settings" page you can then set your LAN settings and disable DHCP. Once you see it, I'm sure you'll have no problem figuring out what to do.

The 1st network has a default gateway of 192.168.1.254. I was planning on changing the 2wire network to a default gateway of 192.168.1.253.

This is how I would do it too.

Now later you said:

ip address (of router): 192.168.1.254
default gateway: 192.168.1.254
subnet mask: 255.255.255.0
DHCP: ENABLED (with a range from 192.168.1.2-.50

and then you mentioned using static IP's on the clients connecting to the second router. You don't have to, you can use DHCP. Since the scope defined on router 1 is: 192.168.1.2 to 192.168.1.50 you could then enable DHCP on router 2 and define the following scope on it: 192.168.1.51 to 192.168.1.100

This way your scopes are separate and don't overlap so there's no chance of duplicate IP's. Have DHCP on router 2 give out the following to clients as their Default Gateway IP: 192.168.1.253 and then they will connect through the internet through router 2 while clients connected to router 1 will get it's LAN IP as their Default Gateway and connect through it.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***


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#6
December 10, 2010 at 12:33:23
You don't want two dhcp scopes unless you don't care which pc gets which gateway.

"to disable DHCP, I read one post where it said to change username from .att.net to .static.att.net. Is that correct?"

Nope not correct. A url has nothing to do with dhcp.

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#7
December 10, 2010 at 14:11:05
You don't want two dhcp scopes unless you don't care which pc gets which gateway.

I don't know what I was thinking......LOL.....Oh, I know, I was thinking separate subnets.

Good catch!

Yep, go with static IP assignments on router 2.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***


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#8
December 10, 2010 at 14:25:57
Thank you so much wanderer and Curt! I appreciate all the help! Yes, I will set the LAN settings to DHCP disabled, and a LAN IP of 192.168.1.253. And yup, I will be doing static IPs for the computers on the 2wire network.

Thank you so much again for the tremendous help!


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