@VPNRouters I have applied 2.2.6 firmware and then took a backup. After that the same backup restore, it works. For TPLink Tech: Please do the documentation for LAN to LAN thru IPSec with samples....

We have purchased 7 VPN Routers ER605, we have upgraded the firmware 2.2.2 Build 20231017 Rel.68869 and configured for branch office like 2nd WAN, Remote management, site to site vpn, lan...