Hey guys, I need some help wrapping my head around how to make this site-to-site VPN work for a new client of ours.
Forewarning: Their network infrastructure is a giant mess. We have the green light to make it right, but they need this site-to-site VPN to work ASAP as it is an emergency that needed to be fixed "yesterday." As such, I am trying to come up with a band-aid to make it work for the short-term (7-14 days).
The Run Down
-SonicWALL router at location A is a DHCP server for the 192.0.0.1 scheme and it connects to switch 1
-Domain Controller at location A is a DHCP server for the 172.18.23.1 scheme and it connects to switch 2
-Two managed switches (1 & 2) are connected via fiber between building 1 and building 2 at location A, which has two VLANs configured (OFFICE & PROGRAM)
-VLAN OFFICE is used for all office work and uses...