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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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Hi, I have D-link AirPlus Xtreme G Wireless Router. The problem is that when i connect my laptop to the wireless connection it says it's connected but then i cant even open a page. I'm with...


The problem could be that the static IP address is not in the range as the IP address as the router.
You should let the wireless router issue an IP address to your computer.
Change the TCP/IP settings in your laptop's wireless card to Obtain an IP address automatically and Obtain DNS server address automatically.
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Is the laptop connected to the router wirelessly? because that can be the porblem if that laptop is not connected wirelessly it wont be working, so make sure that the laptop is connected to your wireless network...

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Tip

How to Share your Internet Connection through laptop's WLAN(Wifi) card?


Every Windows Operating System after Windows 98 can share its Internet Connection using this Technique. Microsoft defines this technique as Internet Connection Sharing (ICS). But setting ICS is very obscure to most of the users. This comes very useful if you live with your roommates and you guys have single internet source like a USB modem Connected to one laptop only. Using Internet Connection Sharing(ICS) that laptop can Broadcast its Internet to other laptops in the room. Technically, the range of a laptop's WLAN adapter is around 20-25 meters. So it can easily handle near by rooms also. This can also be done with a PC having a WLAN card.
To setup and broadcast your internet it is mandatory that you are accessing internet using anything other than Your WLAN card like a USB modem, Ethernet etc. This is because your Wireless adapter(WLAN) will be used for Broadcasting your Internet connection to your friends.
Server laptop:- Laptop with Internet Connection.Client Laptop:- Laptops accessing the internet of server laptop.
Follow the steps to share your internet connection..here it goes:--0b73509.gif
  1. Open the "Control Panel" of the laptop that is accessing Internet and go to "Network and Internet" then "Network and Sharing Center".
  2. On the right side of the "Network and Sharing Center" click the "Change Adapter Settings" and you will see all the available network adapters in your laptop.
  3. Now Right-Click the adapter through which you access internet and click "Properties" option. The properties window will open.
  4. In "properies" Window click the "sharing" tab check "Allow other network user to connect through this computer's Internet connection"97ac799.jpg
  5. In the sharing tab, Select "Home networking connection" type as "Wireless Network Connection" click "OK" and select "Yes" to the Confirmation warning. see above image.
  6. Now Right-Click the "Wireless Network Connection" in "Change Adapter Settings"and Open Its Properties.
  7. In "Wireless Network Connection Properties" Double-click the "Internet Protocol Version 4(TCP/IPv4)" and select the "Use following IP address"
  8. Enter the IP address as "192.168.000.001" and "Subnet mask" as "255.255.255.0"
  9. Leave all other fields blank in Server laptop, which has access to internet.0219162.jpg
  10. Now setup a wireless "ad hoc" computer to computer connection using "setup a new connection or network" in "network and sharing center" and Name it as anything like "Internet_sharing".c2debe7.jpg3a69972.jpg
  11. Now bring other laptops that will use the Shared Internet connection.
  12. Open "Change adapter Setting" (Described in step 2).
  13. In "Change adapter settings" Right-click "wireless Network Adapter" and Click its properties.
  14. In "Wireless Network Connection Properties" Double-click the "Internet Protocol Version 4(TCP/IPv4)" and enter following IP address:-
  15. IP address-"192.168.000.002", Subnet mask "255.255.255.0", Default gateway-"192.168.0.001" and Preferred DNS server: "192.168.000.001".
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  17. Now connect all the laptop with the Wireless network(ad-hoc) named "Internet-sharing" that you had previously broadcasted in step 10 in server laptop.
  18. Now in the server laptop, disconnect and then reconnect the internet connection(This is a necessary step for Internet Connection sharing(ICS) to work).
  19. Now access internet in all laptops...ENjoy.
Note:- For Advance Users.. this information is necessary only--The IP address of server laptop work as the "Default gateway" and Preferred DNS server of Client laptop and on server laptop these fields are blank. Use same series of IP address as used in the server.


please vote if you found this helpful.. --Abhishek

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1 Answer

May laptop won't connect to internet, my laptop is in good condition. i already reset my dlink wireless router but still don't connect to internet. The connectivity is ok. my laptop detects the router but...


Hi,

Is the laptop detecting any wireless networks in the area? if yes then it means that the wireless card is ok if not make sure that the wireless is turned on on your laptop.

I the laptop detects wireless networks in the are then we should check the settings on your system or something that could be interfering with the wireless connection on your system,
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Tis can be multiple things regarding wireless, if the error is windows was unable to conenct to wireless evice then try recreating the wireless network on your laptop in network and sharing center if you have win7 on the laptop, network conenctions if you have XP.

I the laptop connects to the router but does not get internet acces then better check you routers network key if it is correct in your laptops settings, also check your IP address if it is correct if you IP starts with 169... then have a bad IP address on your laptop, go to the command prompt type ipconfig /release, then press enter, then type ipconfig /renew then enter to renew your ip address, hoping that the IP address changes it should begin with 192...


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Can 3 computers (1 desktop and 2 laptops) share the same IP address?


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If the wireless security on the router is enabled, then the pre-shared key or encryption key on the router and PC should match.

To check the wireless settings, use the laptop to access the web interface of the router. Follow the steps below:

1 Using your Internet browser, go to http://dsldevice.lan or to the IP address of your router (by default: 192.168.1.254).
2 On the Home Network menu, click Wireless.
3 In the upper-right corner, click Details.
4 The wireless Access Point page appears. Under:
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On the PC wireless, access the wireless network connection. Select the SSID and then type the encryption key or pre-shared key.

Once the encryption key on the PC and router matches, then you should obtain an IP address and get online.

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When you get signal strength excellent than at that time goto command prompt by typing cmd in run window and than type the following command at prompt c:\ipconfig / all and this command will show you the status of your all wireless and NIC card ip address. So pls check that wheather u are getting the ip address in the wireless connection or not. and if you are not getting it than
1> first of all connect the wireless router physically by lan cable and than open it in browser by typing ip address of it and than enable the dhcp in it with proper ip address range of you local lan. and than save and restart the router. This might resolve your problem and feel free if any other query.

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1 Answer

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Hi kathy

I believe you are connecting to the internet using wireless. Are you using this laptop to connect to a home wireless network or you connect using a cable. This will be a good way to analyze your problem

Post the ip address that you are getting.
You can get the ip by
start -run-type cmd enter
you will be in the black command prompt
just type ipconfig
and let me know what you get under ip address.

Also let me know the wireless router, your Internet Service Provider and also how many systems are there are at your home if you are connecting to a home wireless network.
Also let me know which is firewall or antivirus program that you have.

thank you do let me know if this works and do share your experience.

thank you
rakesh
Expert in Dell

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Hi, A couple of things you should check: 1. Has the "wireless internet user" enabled his Internet Sharing? If yes, how has is this user sharing it with you, through an AP/Router? 2. If he is using an AP/Router, are there any security settings enabled such as WEP, WPA, or MAC Filter? If yes, you have to get the security key and enter it into your configuration. 3. Is the DHCP Server in the AP/Router enabled? 4. If yes to #3, have you made your networking "Obtain an IP Address Automatically? 5. If no, you have to get/set the allowed IP address that you can use, Subnet Mask, Default Gateway and DNS Servers; 6. Can you ping the AP/Router or at least the "wireless internet" user IP Address. To ping, Start, Run, type "cmd", type "ping IP add of wireless internet user and/or AP/Router; 7. In your browser, enable Auto detect proxy settings for this connection; Pls post back with: a. How do you connect, a wifi card/USB or built-in? b. What AP/Router are you connecting to? c. What browser are you using, IE, Mozilla, Opera? Hope this be of some help/idea. Good luck and kind regards.

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