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netsh interface set interface name="Ethernet" admin=Disabled
netsh interface set interface name="Ethernet" admin=Enabled
create batch files, r-click each of, tab shortcut > advanced > “run as administrator” check it!
ref : https://answers.microsoft.com/en-us/windows/forum/all/ethernet-disableenable-shortcut/c3215bbe-3d70-4151-89c1-0df43febdf5c https://www.tenforums.com/network-sharing/44274-shortcut-enable-disable-network-wired.html
Change DNS Servers using the Command Prompt
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// src - https://helpdeskgeek.com/networking/change-ip-address-and-dns-servers-using-the-command-prompt/
//find you interface name (in below example we using 'Ethernet')
etsh interface ipv4 show config
//store that will use custom DNS
netsh interface ipv4 set dns name="Ethernet" static DNS_SERVER
//primary
netsh interface ipv4 set dns name="Ethernet" static 8.8.8.8
//secondary
netsh interface ipv4 set dns name="Ethernet" static 8.8.4.4 index=2
origin - https://www.pipiscrew.com/?p=14623 shortcut-to-disconnect-connect-from-the-network