I have IPSEC tunnels setup between two UTM 9 AWS VPC based appliances that are in 2 different VPCs. I have been trying to configure the SSL VPN clients so that they can reach hosts that are available over the ISPEC tunnels however I have been unsuccessful. The SSL VPN clients have the target remote networks added to their local network list and the routes for these show up on the client side routing table so I can't figure out what else is still preventing this connectivity.
Anyone familiar with setting something like this up in a AWS VPC?
Would VPC peering cause any issues?
I had to setup the IPSEC VPN tunnels using the private IP assigned to the external interface of both UTMs in order for the tunnels to come up since AWS uses NAT for assigning the EIP. When I tried using the EIP the tunnels naturally failed to come up because of the EIP/NAT setup. Don't think this would be causing the issue but felt it was important to mention just in case.
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