Windows traffic redirection

Question

Network routing

the task
has a network card with a static ip 10.xx2 gate 10.xx1
has a virtual loopback interface with a static ip 178.xx1

the task is to redirect all traffic arriving at 10.xx2 to the virtual interface and redirect everything back.

For applications on the local machine, 178.xx1 should be the default network. That is, they send to 178.x > 10.x > world.

Answer 1

TUN adapter (available from OpenVPN) + library that receives traffic from an external interface and redirects to TUN and back. On TUN, hang the IP you need and everything works

Answer 2

You would normally describe the task, otherwise it is not very clear - what, where, how, and most importantly - why.