OK, so we were able to configure three (3) networks behind their respective UT Machines that can communicate with each other. Thanks for all the help given via this forum.
Now, I have one query:
An AD Machine exists on one of the networks, can we now use the DHCP option to handout DNS addresses that point to the AD Machine and let the AD machine point to OpenDNS?
If so, will this affect WAN performance?
Please refer to the attachment for details.