Windows Server 2012 and Windows 8 include PowerShell 3 with some new cmdlets for networking. For me this means the end of netsh for network configuration. It’s not that I ever used netsh much but it was occasionally useful for scripting. The following is a list of what I think will be some useful cmdlets.
Get-NetIPInterface: Queries and displays a list of interfaces on the computer. The list includes the IP addresses associated with an interface. Each interface has an index number that you can use to identify the interface with other cmdlets. So, this is similar to IPConfig /all.
Get-NetIPInterface | Format-List
Set-NetIPInterface: Modifies the configuration of an interface on the computer. You can use this to enable DHCP on an interface.
Set-NetIPInterface –InterfaceIndex 12 –DHCP Enabled
New-NetIPAddress: Adds an IP address to an interface. It is not possible to change an existing IP address, you must remove and create a new IP address. This cmdlet allows you to set the default gateway and subnet mask.
New-NetIPAddress –InterfaceIndex 12 –IPaddress 172.16.0.50 –DefaultGateway 172.16.0.2 –PrefixLength 24
Set-NetIPAddress: Modifies the configuration of an IP address, such as modifying the prefix length. You cannot modify the default gateway with this cmdlet.
Remove-NetIPAddress: Removes an existing IP address from an interface.
New-NetRoute: Used to add a new route to the local routing table. You can use this to change the default gateway, but you must remember to remove the existing default gateway.
New-NetRoute –InterfaceIndex 12 –DestinationPrefix 0.0.0.0/0 –NextHop 172.16.0.1
Remove-NetRoute: Used to remove routes from the routing table. Remember to include the NextHop parameter or it will remove all routes matching the destination prefix on the interface.
Remove-NetRoute –InterfaceIndex 12 –DestinationPrefix 0.0.0.0/0 –NextHop 172.16.0.5
To view all of the cmdlets that are available for configuring TCP/IP you can use:
Get-Command –Module NetTCPIP
This documentation is not 100% up to date, but you can also check this out:
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