@Andone thanks for the reply. The thing is, the issue is repeatable 100%. It happened to me with two different routers ER5120 and two different Sagemcom Modems from the same ISP. So I discarded the...

Hi Everyone, I'm having a strange issue with the ER5120 model. The incident is repeatable 100%. I have two different physical sites, each with similar topology. The ER5120 is supposed to connect to 2...