Do you have other equipment (Switch/NAS/Powerlines/etc) connected to the Hub on ethernet cables? If so disconnect them all for an hour or two and see if the BQM "cleans up".
As its been a few weeks.... - have you tried a pinhole reset of the Hub as per below (worth doing).
Finally post up all the Hub stats again __________________________________
Note that a pinhole reset on a Hub3/4 can be a bit problematic - so do it (again) EXACTLY this way (not as the VM website says!). Firstly, make sure the Hub's sticker/card with the two passwords on it is still there and legible or you will be stuffed ! If its not – DON’T DO IT ! With the Hub switched "on", disconnect any ethernet connections (leave the co-ax connected) and then push in the “reset pin” with the end of a paperclip/thin nail/SIM tray “tool” or similar (bigger items like ball point pen ends may not press it in far enough) until you feel it at the “stop point” and hold it there firmly for a "timed" minimum of 60 seconds do NOT manually restart the Hub at any time. Leave it 10' or so to stabilise and then your passwords/passphrase for both the Hub settings and the Wifi networks will revert to the two printed on the Hub sticker on its base/side/card. Make sure you use the wifi one for devices connecting to the wifi and the settings/admin one to access the Hub
See if that helps
-------------------- John --------------------
I do not work for VM. My services: HD TV on VIP (+ Sky Sports & Movies & BT sport), x3 V6 boxes (1 wired 2 WiFi,) SH2 in modem mode with Airport Extreme Router +2 Airport Express's. On VIVID200, Talk Anytime Phone, x2 Mobile SIM only iPhones.
So far so good, though I still think it's too early to conclude a fix.
I'm being prompted to return the old VM router. If my issue is fixed the culprit was either the VM router or the PoE injector I replaced. Can my return be marked as potentially faulty to ensure it doesn't make it's way back with the working returns?