choke

Hello Merlin forum! I'm using ASUS RT-AC66U (box says H/W version: b0) and Merlin WF 380.64_2 (last release atm). I'm having this issue for about 2 months. Every 1-4 days my internet speed goes from ~96 mbits/s to ~8 mbits/s, every website opens super slowly. The router log shows this...