Basic useful IP commands for Networking Students/Engineers.

Here are some very basic and useful IP commands for networking students or engineers and those who want to handle local network. Some of these commands will also be useful to resolve your internet problems with your internet connection in PC / Laptop.

These commands are for Windows.

You can open cmd (command prompt window) by following two options.

  1.  Start Menu >  All Program > Accessories > Command prompt.
  2.  Run (By Pressing Windows + R Keys) > cmd > Enter

Commands list with their use.


This command is to check IP of your current connection. Using this command you can check your IP address, Subnet mask, Gateway and DNS suffix along with connected adapter’s name.

C:\users\Admin>ipconfig /all

This command will give you details about your every network adapter along with MAC(Physical) Addresses, DHCP Status, DNS servers and lease time (Time when you connected and time when you will be disconnected by system).

C:\users\Admin>ipconfig /renew “Local Area Connection”

(Use For IPv4)

C:\users\Admin>ipconfig /renew6 “Local Area Connection”

(Use For IPv6)

This command will renew your IP address of selected adapter.

If you don’t want to type full name of adapter than you can use  ” * ” for it.

For example, for local area connection you can use *area*  or local*.

C:\users\Admin>ipconfig /release “Local Area Connection”

(Use For IPv4)

C:\users\Admin>ipconfig /release “Local Area Connection”

(Use For IPv6)

This command will disconnect you from adapter you mentioned.

C:\users\Admin>ipconfig /flushdns

This command will clear DNS resolved cache. Sometime adapter prefer wrong DNS for automatic DNS Server, this command will clear extra DNS.

C:\users\Admin>ipconfig /registerdns

This command will reregister DNS names and refresh all DHCP leases.

C:\users\Admin>ipconfig /displaydns

This command will show you the contents of DNS resolver cache.

These are all ipconfig commands to use in windows operating systems for networking.


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