We are using a RED15 in Standard/Unified Mode. It connects up with our SG 125 fine and we can access MOST things. We can access the Internet, DNS is working, able to access Shares, etc.. but for some reason we can't access some servers we have setup via Split-DNS (RDS and Exchange).
I'm unable to Ping the IPs in Split-DNS whereas I can Ping other IPs on our network fine. I'm unable to use Remote Desktop to get to the servers in the Split-DNS or access anything else on them (i.e. Shares, Services.) Anything (PCs/laptops/etc..) that aren't behind the RED15 are able to access everything in Split-DNS so I don't believe we have anything setup incorrectly from that "side".
I feel like it should be something simple but I've been able to figure it out. I'm willing to start from scratch and take any recommendations from the Community.
I hope I've included enough information for at least a starting point.
Thank you for your time.
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