What is netsh?

The netsh (Network Shell) command is a command-line utility in Windows that allows you to configure and manage various network-related settings on a local or remote computer. Below are some common examples of netsh commands:

1. Display IP Configuration

To view the current IP configuration:

netsh interface ip show config

2. Set Static IP Address

To assign a static IP address to a specific interface (replace Local Area Connection and 192.168.1.10 with your interface name and desired IP):

netsh interface ip set address name="Local Area Connection" static 192.168.1.10 255.255.255.0 192.168.1.1

3. Set DNS Server

To configure the DNS server for a network interface (replace Local Area Connection and 8.8.8.8 with your interface name and DNS server):

netsh interface ip set dns name="Local Area Connection" static 8.8.8.8

4. Enable/Disable Network Interface

To disable a network interface:

netsh interface set interface "Ethernet" admin=disable

To enable it again:

netsh interface set interface "Ethernet" admin=enable

5. View Firewall Settings

To display the status of Windows Firewall:

netsh advfirewall show allprofiles

6. Enable/Disable Windows Firewall

To disable the firewall for all profiles:

netsh advfirewall set allprofiles state off

To enable it again:

netsh advfirewall set allprofiles state on

7. Configure IP Routing

To enable IP routing:

netsh interface ipv4 set interface "Local Area Connection" forwarding=enabled

To disable it:

netsh interface ipv4 set interface "Local Area Connection" forwarding=disabled

8. Flush DNS Cache

To clear the DNS resolver cache:

netsh int ip reset

9. Set Proxy Settings

To configure a proxy server:

netsh winhttp set proxy proxy-server="http=proxy.example.com:8080" bypass-list="*.example.com"

10. View Wireless Networks

To display available wireless networks:

netsh wlan show networks

11. Export/Import Network Settings

To export network configuration settings to a file:

netsh interface ipv4 export filename="C:\networkconfig.txt"

To import configuration settings from a file:

netsh interface ipv4 import filename="C:\networkconfig.txt"

12. Reset TCP/IP Stack

To reset the TCP/IP stack:

netsh int ip reset

These are just a few examples of what netsh can do. It is a powerful tool for network administration and configuration in Windows systems.