We might always come across some sort of network issues  with our computers and seek the help of a technical expert. But there are certain IP commands in DOS / Windows with which you might be able to figure out some issues even before consulting with your hardware or networking specialist.

Here I have listed around 16 useful DOS / Windows IP commands which would prove to be much beneficial for those who comes across computer network related issues.

1) Display Connection Configuration: ipconfig /all

2) Display DNS Cache Info: ipconfig /displaydns

3) Clear DNS Cache: ipconfig /flushdns

4) Release All IP Address Connections: ipconfig /release

5) Renew All IP Address Connections: ipconfig /renew

6) Re-Register the DNS connections: ipconfig /registerdns

7) Change/Modify DHCP Class ID: ipconfig /setclassid

8) Network Connections: control netconnections

9) Network Setup Wizard: netsetup.cpl

10) Test Connectivity: ping www.whatismyip.com

11) Trace IP address Route: tracert

12) Displays the TCP/IP protocol sessions: netstat

13) Display Local Route: route

14) Display Resolved MAC Addresses: arp

15) Display Name of Computer Currently on: hostname

16)Display DHCP Class Information: ipconfig /showclassid

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