Experts solve the LAN IP address conflict has a trick

For network administrators or users, the occurrence of "IP address conflict" is unwelcome because in a network, each host (strictly speaking, the network interface) should have a unique one. IP address, if two or more hosts use the same IP address, these host screens with the same IP address will pop up a dialog box to report IP address conflicts, which will cause these machines using the same IP to not access the network. What should I do with IP address conflicts? How to resolve LAN IP address conflicts?

If two users use the same IP address in the same LAN, or a user has obtained an IP address through DHCP, At this time, another user has set the same IP address by manual allocation, which will cause an IP address conflict and will make one of the users unable to use the network normally.

So, how should we avoid IP address conflicts? We can analyze the following aspects:

Reasons for IP address conflicts:

1 Many users don't know how to set parameters such as "IP address", "subnet mask", "default gateway", sometimes users are not the information of the above parameters obtained from the administrator, or the user is unintentional. Modified by the information;

2, sometimes the administrator or user according to the parameters provided by the administrator, the parameter input error due to mistakes will also cause the situation;

3, the most frequently appearing is the use of temporary IP address application during maintenance and debugging of the client;

4, does not exclude someone stealing the IP address of others, resulting in IP address conflict.

Solution for LAN IP Address Conflict:

Option 1: Check one by one.

This is the most primitive method, that is, when an IP address conflict occurs, in the LAN, next to each computer to view, find the computer with the conflict and modify the IP address. However, this is time consuming and is not suitable for use in large LANs. It is only suitable for use in a small network environment.

Option 2: MAC address binding.

1. Check the MAC of the local computer and bind it: You can detect the MAC address of the network card by running Winipcfg.exe or Ipconfig.exe on the local computer system. The details are as follows: In the Win9X system, click “Start”——“Run”, enter “Winipcfg” in the text box and press Enter to pop up the “IP Configuration” window. In the drop-down list, select “PCI Fast Ethernet Adapeter”, the text displayed in the “Adapter Address” column is the MAC address of the network card; run at the DOS prompt of the WinNT system with “all”; The ipconfig command of the parameter, ie ipconfig/all, also displays the MAC address of the NIC. Previous12Next page Total 2 pages