Windows Server 2012 Server Core–Playing with Network Card using PowerShell Part 2

Setting DNS server First find the InterfaceAlias or InterfaceIndex using the “Get-NetIPInterface” of the desired interface. Now use the following command to set the DNS server IP address

Set-DNSClientServerAddress –InterfaceIndex <InterfaceIndex as UInt32> -ServerAddresses <Comma separated list of IP Address as String>

                                                                 or

Set-DNSClientServerAddress -InterfaceAlias <InterfaceAlias as String> -ServerAddresses <Comma separated list of IP Address as String>

Before Setting DNS

  After Setting DNS

Removing DNS server First find the InterfaceAlias or InterfaceIndex using the “Get-NetIPInterface” of the desired interface. Now use the following command to reset the DNS server IP address

Set-DnsClientServerAddress –InterfaceIndex <InterfaceIndex as UInt32> -ResetServerAddresses

                                       or

Set-DnsClientServerAddress -InterfaceAlias <InterfaceAlias as String> –ResetServerAddresses

After resetting DNS

Removing IP Address First find the InterfaceAlias or InterfaceIndex using the “Get-NetIPInterface” of the desired interface. Now use the following command to remove just the IP address from the interface

Remove-NetIPAddress –InterfaceIndex <InterfaceIndex as UInt32>

                                 or

Remove-NetIPAddress -InterfaceAlias <InterfaceAlias as String>

 If you want to remove the IPAddress without confirmation just use the option “-Confirm:$false” at the end of above command, of course without quotes. Now if you want to remove IPAddress and default gateway then use the following command. Use “-Confirm:$false” part only if you don't want questions for confirmation.

Remove-NetIPAddress –InterfaceIndex <InterfaceIndex as UInt32> -IPAddress <IPAddress as String> -DefaultGateway <DefaultGateway as String> [-Confirm:$false]

                                                                       or

Remove-NetIPAddress -InterfaceAlias <InterfaceAlias as String> -IPAddress <IPAddress as String> -DefaultGateway <DefaultGateway as String> [-Confirm:$false]

 Viewing DNS cache Use the following command to view the DNS cache

Get-DNSClientCache

 Clearing DNS Cache Use the following command to clear the DNS Cache

Clear-DNSClientCache