@Julian2111 No, I don't have any more suggestions, I haven't had the same problem, so you'll just have to test and see if it happens again in the new site. I also use it a lot VPN, have OpenVPN...

@SebastianH Switch ACL is not stateful, try enabling bidirectional ACL rules

@Pablo_PL Switch ACL is not stateful, try enabling bidirectional ACL rules

@Julian2111 2-5 minutes sounds normal on an ER8411, ER605v2 takes 5-15 minutes, but how does it work for you now?

@Julian2111 The ER7412-M2 is running the old firmware, it hasn't gotten firmware to 5.15.20 yet I think, there are some changes if you use the new ER8411 version 1.3.2, but hard to say, I think the...

@Julian2111 since it happens when the router configures so I was wondering if it could be device management causing problems. I have an ER8411 and haven't had the same problem as you have. I run the...