ER706W keeps sending data through backup WAN days after switching to backup WAN and back
ER706W keeps sending data through backup WAN interface days after switching to backup WAN and back. Is it a VPN configuration issue or a bug?
I witnessed no such problems until I set up two identical OpenVPN client configurations on both the main and backup WAN interface. There should've been one client config, although Omada limits me to selecting only one interface.
Problem description:
1. If I have only one OpenVPN client configuration on the primary WAN interface then clients bypass VPN when router switches to backup WAN.
2. If make two identical OpenVPN client configurations for both the primary WAN and backup WAN interface, then the router's VPN client would keep sending data though backup WAN forever. (after temporary switching to backup WAN and back to the primary). Despite the router says backup WAN is offline, primary/backup configured properly etc.
Config screenshots attached.