For manual settings, select “ Use the following IP address ” and enter your desired IP address, Subnet mask, and Default gateway. See the explanations in the previous method for more details ...

IP address (Find it using ipconfig /all command) Subnet Mask (On a home network, it is 255.255.255.0) Default Gateway (It is your router’s IP address.) ...

Now, select Use the following IP address, change your IP address to 192.168.0.1, Subnet mask to 255.255.255.0, and leave Default gateway blank. Click OK to save changes.

I am using a strongSwan IPSec gateway for Windows 7 and Server 2008 based clients on the same subnet. The Windows VPN client requires a virtual ip address to be assigned by the IPsec gateway.

Put simply, supernetting a TCP/IP network address is the opposite of subnetting it. Supernetting is also known as CIDR (classless interdomain routing) as defined by RFCs 1517, 1518, 1519, and 1520.