Slow speed, even on wired connection
I have an issue with my Deco M5. I'm only getting 95 mbps on a wired connection (even when connected directly to the main Deco), while I should be getting 5-600. Previously, the problem was resolved by rebooting all the decos. It would work perfectly for about a day, then go back down to 95. However, I recently reset all my 3 Decos in order to solve a sudden-onset instability issue. Now my speed is permanently limited at 95 mbps, and rebooting doesn't help at all, which is very frustrating. It's as if there is an artificial cap to the speed; It's very stable at right below 95.
The same apparent cap applies to, and used to be resolved in the same way, on wireless.
Could you please help me resolve this problem? I'm happy to provide any information you may need.
Edit: I now sporadically lose my internet connection too. Around every 60 seconds, I lose my connection momentarily. I should probably solve this first. Any suggestions?