@Clive_A It went down again :( I've requested intervention from ISP to check, if it still not resolved, I will try to factory reset it and configure all network again. About that how should I do it ?...

@Clive_A With ER605 I did not have any issues, this issue starts once ER8411 was installed. Other things that I've changed in configuration on ER8411 and not have it on ER605 are: 1. I've set DST...

@MR.S Thank you !

MR.S wrote @268BBA hmmm, that was strange. I have exactly the same solution, ER8411 and SG2428P switch but have never noticed that WAN drops. Are you using L2TP VPN then? I have noticed that there...

@MR.S no, is not turned on MR.S wrote @268BBA Do you use IPS/IDS?

Hello, I've upgraded from ER605 to ER8411 and from then I've got WAN drops 3-4 times per day for 2-3 seconds. I've configured the network from scratch and nothing was moved over. It's very...