@GRL Thks for the answer. In fact ER707 is behind ADSL modem and I want to access with ER707 VPN to devices on LAN of ER707. Because I used VPN of ADSL modem I asked as above to simplfy. So what is...

Hello ER707-M2 WAN port is behind the ADSL modem with network 192.168.2.0. ADSL modem has also clients on 192.168.3.0 network. ER707-M2 LAN network is 192.168.1.0. What the are settings to be made on...