Just want to bring this up. Does anyone have solution for this?

@Vincent-TP I might not said it clearly in OP. I can access other SD-WAN sites from my main LAN network without any problem. The problem is I have only one WAN with public IP and I would like to open...

@MR.S I know I can use OpenVPN, I was just courious if this kind of NAT usage is possible or not.

I have an OC300 controller with three sites connected via SD-WAN. Only one of them has a public IP address. Is it possible to set up NAT on site with public IP address so I can access a service on a...

@RaRu Thank you, it seems promising. I can buy some cheap LTE router, put it i to bridge mode and connect to Wan port of Er605, but using USB modem is a lot easier.

I haven't tried the 2.3.0 firmware yet, but I have a related question. Is it possible to use/setup SD-WAN only with a USB LTE modem connected? I know VPNs can't use USB, so I'm wondering if it's the...