Question about Belkin (F5D7230-4) Router (587009)

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IP address conflicting

I have had the same internet, computers and router for 12 months now. No problems. Suddenly I cannot get on my PC and laptop at the same time. I am getting IP address conflicting errors. If I unplug my modem and router and try again it will work until either the pc or laptop is shut down then I must start all over again to get both connected. If the laptop is on the internet the pc gets the message. If the pc is on the internet then viseversa. Any ideas how to fix this.

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Hello,

Turn both machines on and get one on the internet. Now on the other do this:

1. go to start, run and type 'cmd' and enter
2. a windows will open with your cursor
3. type 'ipconfig /release'
4. now type 'ipconfig /renew'
5. type 'exit'

now try your internet on this machine. The problem was both machines were trying to use the same ip address and whoever got it first won. When we told one to release and renew the router should have said that the ip address was in use and issued a new number to use.

I hope this helps, if so please rate my solution.

Buddy
Corporate Computer
www.ccl-la.com
Over 21 years of PC and printer support/repair

Posted on Jun 27, 2009

  • Buddy Mcsparrin Jun 27, 2009

    Hello,

    Turn on both machines. Ge one on the internet, on the other unit do this.
    1. go to start, run, type "cmd"
    2. windows opens up with your cursor, type "ipconfig /release"
    3. now type "ipconfig /renew"
    4. type 'exit'
    now try your internet. The problem was both your desktop and laptop were trying to use the same ip address from the router. When we released the ip address and renewed it your router should have told the machine that the address it had was already in use and given it a new number.
    I hope this helps, if so please rate my solution.

    Buddy
    Corporate Computer
    www.ccl-la.com
    Over 21 years of PC and printer support/repair

×

Have you checked to see if either computer has a static IP address? that might conflict with the DHCP table.

Posted on Jun 27, 2009

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Networks using manually assigned IP addresses some time encounter problems/conflict when two computers happen to have the same IP address.on win7 go to network sharing center, on the left panel of the window you'll see/click on " change adapter settings" in the that window right click the local area connections and click on properties. in the net work tab click on internet protocol version 4 (TCP/IP4) then click on the properties button below to gain access to the IP Setting then select use the following IP address to alow you modify

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IP Conflicts in a work place


An IP address conflict occurs when two computers on a LAN or the Internet have been assigned the same IP. IP conflicts between two computers normally render either one or both of them unusable for network operations.

How IP Address Conflicts Happen

Two computers can acquire conflicting IP addresses in any of several ways:

· A system administrator assigns two computers on the LAN the same Static IP Address.

· A system administrator assigns a computer a static IP address within the local network's DHCP range (dynamic IP range), and the same address is automatically assigned by the LAN DHCP server.

· A malfunction in the network's DHCP server allows the same dynamic address to automatically be assigned to multiple computers.

· An ISP accidentally assigns two customers the same IP address (either statically or dynamically).

· A mobile computer is put into standby / hibernate mode and then awakened later.

Note that other forms of IP conflicts can also occur on a network. For example, one computer may experience an IP address conflict with itself if that computer is configured with multiple Network Adapters. System administrators may also create IP conflicts by accidentally connecting two ports of a network switch or router to each other.

Recognizing IP Address Conflicts

On most Microsoft Windows computers, if you attempt to set a fixed (static) IP address that is already active on the local network, you will receive the following pop-up error message:

The static IP address that was just configured is already in use on the network. Please reconfigure a different IP address.

On newer Microsoft Windows computers having dynamic IP conflicts, you should receive a balloon error message in the Taskbar as soon as the operating system detects the issue:

There is an IP address conflict with another system on the network.

Sometimes, especially on older Windows computers, a message similar to the following may instead appear in a pop-up window:

The system has detected a conflict for IP address...

On Mac or Linux computers, a similar message will normally appear on screen.

Resolving IP Address Conflicts

Try the following remedies for IP conflicts:

1. For networks where IP addresses are fixed (statically assigned), ensure each local host is configured with a unique IP address.

2. If your computer has a dynamically assigned address, releasing and renewing its IP address can workaround IP address conflicts.
3. If your home router is believed to have a faulty DHCP server causing IP conflicts on the home network, upgrading the router firmware may resolve this problem.

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I have a message that say Ip address conflict, what can I do


Resolving IP Address Conflicts

Try the following remedies for IP conflicts:

1. For networks where IP addresses are fixed (statically assigned), ensure each local host is configured with a unique IP address.

2. If your computer has a dynamically assigned address, releasing and renewing its IP address can workaround IP address conflicts.

3. If your home router is believed to have a faulty DHCP server causing IP conflicts on the home network, upgrading the router firmware may resolve this problem.

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When I turn on the wireless on my Vaio laptop running vista, the wireless network I having running through a linksys (wrt54g) router stops working.. sometimes after restarting the router it will work for...


Hello,

The Problem you are having comes up because you probably put on your router before putting on your Computers, including your laptop.

What I would advise you to do is that, always try to put on your Computers first, before turning on your router.

This will make your router to dynamically distribute IP Adresses to your computers and therefore reduce conflict.

And if at any time, you make a mistake of putting on you router before your PC, just switch off your router for 2 Minutes and switch it back on.

It will enable your router to renew IP Adresses to all your Computers without having conflict.

Then Always remember to make your Computers Obtain IP Address Automatically, and your Router Should be set to use DHCP.

This Solution is an exact solution that I used in my office last week, so its proved to work.

Hope this helps you out.

Keep me posted about the problem.

Goodluck

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Either unplug the router from power source for 10 seconds and plug back in to reset.
Or you may have an ip address on the pc itself that is conflicting with your daughter's ip address. Dynamic ip address are set so they don't interfere with each other. We use 4 different pc's on one router in our home.
You can change the ip address of your computer by going to start menu, then run, then type ipconfig /release, then type ipconfig /renew and it will give you a new one.

Or you can access the software and settings of the router itself by opening up an internet page, go to address bar and type 192.168.1.1 and hit enter.
It should bring you inside your router so you can check and switch any settings.

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If you have Vista,
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  3. On the side panel, click MANAGE NETWORK CONNECTIONS
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Sorry, but I cannot help with XP at the moment.
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assuming you have DHCP enabled on the router this should not happen as long as your wireless adapters are set to obtain an ip address automatically.

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You haven't specified if the host computer is able to access the internet. Ip Address confict can be one of the reasons why the laptop isnt able to connect and we can have a series of reasons why we have this IP Address conflict - 1) There is no wireless encryption defined. So, we have neighbors connecting to the wireless network causing IP Address conflicts. 2) The laptop is not able to renew the IP Address after the lease expires. This can mostly be resolved by restarting the computer and in certain cases flusing the TCP/IP stack. 3) There is a static IP Address assigned to the laptop in the router's DHCP range which is conflicting with the host computer. I would suggest you may initiate a chat with me or anyone else who has expertise in routers to get this successfully resolved. That would definitely save your time. Good luck

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