New-NetIPAddress `
-InterfaceAlias "Ethernet0" `
-AddressFamily IPv6 `
-IPAddress 2001:db8:1::254 `
-PrefixLength 64

Set-DnsClientServerAddress `
-InterfaceAlias "ethernet0" `
-ServerAddresses 2001:db8:1::200

Set-NetIPInterface `
-InterfaceAlias "Ethernet0" `
-AddressFamily IPv6 `
-Advertising Enabled

Remove-NetRoute `
-DestinationPrefix 2001:db8:1::/64

New-NetRoute `
-InterfaceAlias "Ethernet0" `
-DestinationPrefix 2001:db8:1::/64 `
-Publish Yes

Get-NetRoute -DestinationPrefix 2001:db8:1::/64