Question about Routers

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Two routers have same Ip address......what to do?

I had posted this query:
I have two laptops which share the internet connection through a wireless router.The router is dlink WBR 1310. But i can use internet on only one of them....I keep getting the error message...two computers have same IP address...please contact network administrator....what do i need to do for this? I cannot access the internet on both the laptops simultaneously,,,,


reading ur reply i checked my settings and I saw that my IP address and DCHP setting detection on my TCP/Ip properties is set to automatic and logging into the router the DCHP server is enabled too....even them I am facing this same problem..... so if you could provide me with an atlernative solution i will be really grateful......

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  • petberrys Dec 16, 2008

    My house and garage are 250 feet apart and a lot of walls and trees. Wireless did not get a good signal. In order to use my computer equipment in the garage I ran an ethernet connection and added a second router. Both of the routers are set to automatic for ip address assignment. Both have the same ip which causes the wireless in the garage to not work properly adn my home equipment to slow down to a snails pace.

  • JDTec
    JDTec May 11, 2010

    I just notice that D-Link has a firmware update for

    Updated DHCP UI.
    Check and see if your router is updated.



    http://www.dlink.com/products/support.as...

  • JDTec
    JDTec May 11, 2010

    I would Uninstall and reinstall the wireless adapter on each of the laptops.

    On XP:

    Go to Control Panel> System>Device Manager> hardware

    Highlight the wireless adapter and right click, then select un-install.

    Restart the unit and the OS will re-install the adapter and pick up a different IP.

    The laptops should pick up a different IP address.

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  • Master
  • 623 Answers

1. Simply disabling and then re-enabling of the adapter will cause to start the DHCP process again, without uninstalling the devices.
I would enter static IP addresses in both computers and see if that eliminates the connection problem. Then set both computers back to DHCP - one after the other.
Did this help?

2. Running 250ft of Ethernet cable is almost the maximum distance you can go (300ft). The connection will never be great - too much loss on the way.
If you can go without wireless in your garage, then simply use a switch instead of a router. Switches are EXTENDING networks, while routers SEPERATE them.
I assume that both are running on the same subnet and handing out DHCP in the same range.
So...here we go...

As far as I remember is D-lInk using 192.168.0.1/24 (255.255.255.0) as it's default. Configure the IP address of the second router to be in the samesubnet (/24) as the primary router, but out of the range of the DHCP serverin the primary router. For instance DHCP server addresses 192.168.0.2through 192.168.0.100, you can assign the secondary router 192.168.0.254 asit's IP address.

Then disable the DHCP server in the second router.

Setup the wireless section just the way you would if it was the first router.

Connect from the first router's LAN port to one of the LAN ports onthe second router. If there is no uplink port and neither of therouters have auto-sensing ports, use a cross-over cable, but I think the D-links have auto-sensing installed (which means that the router can use any ethernet cable). If not, here is a good description how to make one (You can use the same cable - just cut one end off and change the cables): http://www.littlewhitedog.com/content-8.html
Important: Do not connect the WANport!

Posted on Dec 17, 2008

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Find your computer's IP address : Windows 7, Vista, and XP, using the command prompt

  1. Click Start, and then select All Programs. Note: If this doesn't match what you see, refer to About navigation settings in Windows.
  2. Click Accessories, and then Command Prompt.

  3. At the command prompt, enter: ipconfig The IP address (or IPv4 address, if you are using Windows 7 or Vista) will be a series of numbers following the pattern xxx.xxx.xxx.xxx (i.e., 156.56.27.32).
Note: If you are using PPP with a modem at home, your IP address will change each time you log in.
Windows 7, without using the command prompt
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  2. To view the IP address of a wired connection, click Local Area Connection. To view the IP address of a wireless adapter, click Wireless Network Connection (Network Name).
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Windows Vista, without using the command prompt
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Windows XP, without using the command prompt
  1. From the Start menu, right-click My Network Places, and then click Properties.

  2. To view the IP address of a wired connection, double-click Local Area Connection. To view the IP address of a wireless adapter, double-click Wireless Network Connection.
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Your IP address has to be in the 192.168.123.xxx range



The router must be configured to match your

Internet service. If you do not know your

Internet connection configuration, please

contact your Internet Service Provider (ISP).

By default, the router is pre-configured with

these settings:

• Automatically set IP addresses for

computers on your LAN (connected to the

router's ports 1-4). The router acts as a

server for dynamic host configuration

protocol (DHCP) and assigns IP addresses

in the range 192.168.123.100 through

192.168.123.199

• The default LAN IP address for the router is

192.168.123.254 with a subnet mask of

255.255.255.0

• The Internet service connected to the
router's WAN port uses a dynamic IP

If I could be of further assistance, let me know. If this helps or solves the issue, please rate it and give a testimonial for my response. Happy Holidays!

Thanks, Joe

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YOu may have configured static ip address in your desktop computer...
CHange IP setings to obtain Ip address automaticaly.....

or follow

  1. Open Windows Start menu.
  2. Open Control Panel.
  3. Classic view: Open Network Connections
    Category view: Select Network and Internet Connections, and then Network Connections.
  4. Double-click on your active LAN or Internet connection.
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    Let me know it this helps.... GOod luck...


    rate me..


    Regards,



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