Can someone please give me a VPN routing 101 explanation.
I have a remote client, I tunnel into my network using VPN, and I now have two active adapters:
VPN Adapter 10.4.4.31
PPP Adapter 220.127.116.11 (Verizon PC Card)
My packets leave my device with a source address of my Ethernet adapater correct?
Where or how does the destination routing get determined?
For example...I want to send a ping to my internal network(10.4.4.0). An ICMP packet is created, it has a source IP of 18.104.22.168. When this packet is sent, what is the destination address in the packet? I am assuming it is the default gateway 22.214.171.124 (my PC card).
At what point in the process does it decide that it has a packet that needs to go to my VPN server, and how is the packet addressed (source, destination) and sent out? I mean I am assuming the Verizon router receives the packet from my device, how does it determine it needs to get routed to my VPN server?