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Modem and router sharing IP address

Hi,  just stumbled upon you in a google search to reach d-link customer service...this is really cool!  hopefully you can help... i've had this problem a couple times before, but forgot how to fix it.  i just got a new computer, so i need to reconfigure my wireless set up so that the modem and router use different IP addresses.  i believe at the moment they are sharing the same, so that the wireless connection is dodgy and breaks after about 20 mins or so.   that said, it may break before i get your advice on how to fix problem.  but i'm hoping for the best. i'm using a MacBook Pro with a dsl speedstream modem and dlink router. thanks!! sarah

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Re: modem and router sharing IP address

You will need to disconnect the modem from the router.

Then you will need to connect your computer to the router using an ethernet cable. (plugging into one of the LAN ports)

Next you need to log into the router control panel and change the IP address there. If your modem is giving out IP addresses like then you will need to change the 3rd octet on the router to an IP address like this:

Posted on Jan 08, 2008

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Reset your router back to it's factory settings by holding the reset button for about 5 seconds. I have provided a list of the most popular router brands. If it does not work you may need to google what your specific model's default IP address/default username/default passwords are, for example search for "Encore ENHWI-2AN3 default IP address" The default login info can change, it can depend on where you obtained your router. If you purchased it yourself from a store then the standard defaults should work. If you obtained your router from your Internet Provider you may need to contact your service provider. It also may depend whether it's an old or new model router as well. And you may need to press and hold the reset button on your router several times before it actually clears. Make sure you have a wired connection then once you have accessed your router simply run the Setup Wizard. Set your SSID as something you'll remember like "Mavericks Network" and your Password can be something like your phone number for example 3109876543

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Buffalo - Username: root Password: Leave the field blank Default IP address is:

D-Link - Username: admin Password: Leave the field blank Default IP address is:

Encore - Username: admin Password: admin Default IP address

Linksys - Username: admin Password: admin Default IP address

NetGear - Username: admin Password: password Default IP address will be: or

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I have a wireless G broadband router. I've had it for quite some time and i dont know where the pin code is or the disk the router came with. how do i find the pin code without the two?

The pin code is normally found on the label on the bottom of your router but it's not mandatory to use it. You can reset your router back to factory and google it's default ip address and it's default password depending upon your brand of router. I would search for D-Link Router default password, default username, and default IP address. On a D-Link router the default IP address would be The default username: admin The default password: leave the password box blank.

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If i turn my Thomson 585v7 modem off and back on it dosent change my ip and im sure i dont have a static ip

Depending on you ISP (Internet Service Provider) it may assign you a DHCP address with a certain amount lease time. in other words when your modem requests an IP to connect to the web your ISP says 'OK here use this one for this long'. When that time limit is reached it will request a new address at which point may then get a new one or it might just re-new the current one you have.

Typically your can log into your modems web interface and find a menu that will show the current status of your modem and somewhere on that page should be a release/renew button that you can click to force the modem to let go of its current IP address and request a new one. Again it might just give you the same address you just released back to you though.

Having the same IP address is not really a bad thing.

Hope that helps clear it up.

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Iam having different ips from wan is this mean someone is accessing my network?

You just have Dynamic ip, nothing to worry about.

"Static IP addressing is for one customer on one IP address and Dynamic IP addressing assigns a different IP address each time the ISP customer logs on to their computer, but this is dependent upon the Internet Service Provider (ISP) because some ISP's only change the IP address as they deem it necessary.

If you have Dynamic IP Addressing through your Website Host it means that you are sharing an IP Address with several other customers.

If you are a beginner on the internet, an avid internet user, are entertaining the thought of starting your own website business, are a gamer, use VOIP or VPN there are several things you should know about IP Addressing."

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Many people need to connect additional computers or game consoles. To do this, most use a home network router, which shares a single IP address across multiple computers. No special configuration of your Shaw service or modem is required.

For information on how to configure a home network, consult the manufacturer's documentation included with the hub or router you have purchased.

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go into the TCP/IP protocol properties where we have option to obtain IP address automatically. have only one system with IP address and the remaining 3 systems select obtain IP address automatically. It will work.

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I encountered the same problem, with the same modem and also Comcast, and here's what wound up working for me, after time spent with a nice guy on the Netgear customer support line:

1. Log into router: (or - user: admin / password: password

2. Under Maintenance, click Router Status. If IP Address is listed as, there's your problem-- router isn't getting address from modem.

3. At bottom of Basic Settings, under Router MAC Address, change selection from Use Default Address to Use Computer MAC Address.

4. Click Apply.

5. Click Router Status again-- non-blank IP address should now be listed.

6. Basic Settings will now show MAC address under Use This MAC Address. See if you can get online now. I could, and I hope you can, too!

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Hi ditia,

U need to connect the modem>>router>>computer..u need to login to the router by using the ip address will prompt for a password...enter the password to login to the router..After logging in to the router..there will be a connection type..u need to select pppoe..after selecting pppoe u need to enter the user name and password which u got from ur ur internet will work...please give me a feedback if this info is useful

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In your wireless router,U want to configure the ip adress of internet,may R u static ip R dynamic ip address,

1. Statis ip customer means, configure the static ip address in your wireless router,

2. Dynamic ip customer means, configure the ip address of the ADSl modem ip.

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