@Clive_A Okay, it seems the ISP router was the guilty one on one of the side. It was acting like some kind of QOS kicked in and randomly killed different kind of traffic. It was just a coincidence...

@Clive_A Okay I have completed the Downgrade back to 2.1.2 official. And well, no change, it's the same. At least we know it's not the firmware. Any suggestion ? It's really not the internet since...

@Clive_A Alright I can roll back to the previous one to test. I have used the official 2.1.2 I guess it would be more wise to recreate the original situation. Is there any risk in rolling back ?...

Hi ! I have two ER-605 one at home, one at the weekend house. I had a great Wireguard Site to Site VPN connection running between the two, but since I have upgraded to Firmware 2.2.2 about 5 days ago...

@Loycelover- I see, thank you for your reply.

Hi All ! I'm using two ER605 to setup a S2S (LAN to LAN) VPN between my Home and my Weekend House. (I have no OC200 or OC300 controller which is used in most of the Youtube videos) The weekend house...