@Vincent-TP For the SG3428X-M2 it already happened with firmware 1.20.18 This is the error message, translated: "An error occurred. Please try again later or contact our technical support."

@Vincent-TP Yes on 6.2.0.15 Something else I noticed, but I forgot to mention it is when I click on both of my switches onto DDM it just gives an error saying "please retry or contact technical...

@Julian2111 okay MRU does not change it either.

@Hank21 No change, for me.. should the MRU be changed as well?

@GRL If you have time and if you want to ofc. could you try creating a DPI list blocking all advertisement & analytic services. And then try the side Automobilwoche dot de and Karcher dot com if they...

@Hank21 I will test the WAN MTU thing out tonight, I did not have time to test.. What I got told it was only a issue on the Lan side, so maybe the WAN MTU change will fix that issue.. since as for...