Any system administrator is faced with configuring network interfaces. Most of them use graphical interface Windows for this purpose, which is not always convenient. In this article, I will explain how to configure the network using the cmd command line interface using the built-in utility netsh.

On Windows operating systems, there is a special netsh utility for configuring a network adapter from the cmd command line.

Configuring network parameters (ip-addresses, netmask and gateway)

Setting the ip-address, mask and gateway:

netsh interface ip set address name="Local Area Connection" static 192.168.1.15 255.255.255.0 192.168.1.1

where
Local Area Connection - the name of your network interface.
192.168.1.15 - network address (ip address).
255.255.255.0 - network mask.
192.168.1.1 - default gateway.

Setting an additional ip-address:

netsh interface ip add address name="Local Area Connection" 192.168.1.20 255.255.255.0

Enable the automatic acquisition of ip-address, netmask and gateway from the DHCP server:

netsh interface ip set address "Local Area Connection" dhcp

Configuring DNS and WINS servers

Add a preferred DNS server:

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

Add an alternate DNS server:

netsh interface ip add dns "Local Area Connection" 8.8.4.4

Add 3rd DNS server:

netsh interface ip add dns "Local Area Connection" 192.168.1.30 index=3

Setting the automatic retrieval of a preferred and alternate DNS server from a DHCP server:

netsh interface ip set dns "Local Area Connection" dhcp

Installing WINS server:

netsh interface ip set wins "Local Area Connection" static 192.168.1.240

Enable and disable network interfaces

Disable network interface:

netsh interface set interface name="Local Area Connection" admin=DISABLED

Enable interface:

netsh interface set interface name="Local Area Connection" admin=ENABLED

View network settings

Advanced network interface configuration output:

netsh interface ip show config

View interface status (connected/disconnected):

C:\Windows\System32>netsh interface ip show interface
Инд  Мет         MTU         Состояние     Имя
---  ----------  ----------  ------------  ---------------------------
  1          50  4294967295  connected     Loopback Pseudo-Interface 1
 12          10        1300  disconnected  Local Area Connection

View the routing table:

netsh interface ip show route

View IP addresses configuration:

netsh interface ip show addresses

View DNS server addresses:

netsh interface ip show dnsservers

Просмотр адресов WINS-сервера:

netsh interface ip show winsservers

Save and restore network interface configurations

Well, now the fun part. Let's talk about how to save the network settings as a configuration file and restore from the configuration file. This can be useful to those who are constantly changing network settings.

Save network settings as a file:

C:\Windows\System32>netsh -c interface dump > C:\my-config.txt

Restore network settings from file from configuration:

C:\Windows\System32>netsh -f C:\my-config.txt

That's all. We have considered far from all the features of the Netsh.exe utility, but only the most frequently used ones. Comment, subscribe. Bye everyone.