@Clive_A I think I didn't mention DDNS at all, but just to be clear: I'm using DDNS, but imho DDNS has nothing to do with my issue. Even if its a less powerful device, a simple pppoe reconnect shall...

@Tedd404 thanks for your comment. I'm just wondering about this "slowness" as there was no power cycle/reboot or such, it was just a WAN disconnect/reconnect. All services shall be intact, I suspect...

My ISP provider is randomly request for PPPoe termination - mainly due to dynamic dns update. When this happens (between every 24h-72h) , I see that the connection is dropped and the routing starts...