Anyone has any ideas why I keep getting OpenVPN and Wireguard clients (I use Torguard) frequently drop internet connection once my GL.iNet Brume router is set in DHCP mode, behind my main home router? This is despite trying to 1) open all ports on the main router to point to GL.iNet IP’s address or 2) putting the GL.iNet in primary router’s DMZ and then confirming all traffic going to the GL.iNet with no problem.
Interestingly the problem completely disappears and the GL.iNet and its VPN function flawlessly with no problem whatsoever once it is set to PPPoE mode with main router passing PPP through to the GL.iNet. I would prefer the GL.iNet to stay in DHCP mode so that I can use the main router’s WAN failover and load balancing facilities rather than just passing the PPPoE through it. Anyone knows where the problem lies? Thanks in advance for any suggestions.