Azure Site Recovery service is yet to be migrated to Q&A. Please post your question directly on the MSDN forum for the service (Microsoft Azure Site Recovery forum)
We are actively working to onboard all services. We will make a public announcement once complete.
Thank you for your patience as we evolve the Q&A platform
It's as good that you setup networking for newly created VMs and how you would like to setup you need to decided
However, I would like to provide some insight on your query.If you have used ASR to fail-over machine and now you want to setup networking to connect to those VM's in this case you chose an option which is convenient to you.