Yes, if I statically configure a client on the new subnet (192.168.12.0) it can ping stuff in the old subnet and get to the Internet.

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. What ...

Before you configure a static IP address for your Raspberry Pi, you'll need to retrieve four key details first: the Pi's current IP address, the gateway (your router's IP address), the subnet mask ...