Hi Hopefully someone can either help or advise..
Pretty sure my problems started around the time of the 'free' speed boost from 200mb to 250mb.
I will attach my current ping graph and hub details if anyone can look into it.
Had an engineer visit on Tue 3rd who couldn't find any issue with power levels etc, he replaced the power cable and cable from wall to the hub. still problems. Usually about 9.30pm is worse download tanks to about 20/30mb fluctuating all over. All test I have done on a wired connection directly to the hub.
I usually run modem mode with my own router etc but have tried for a few weeks on the v hub in router mode and its no better (possibly worse).
My graph as of today:

Hub details:




Ive spent so much time trouble shooting this, replaced all ethernet cables in the house with cat6.
Usually play xbox on Fridays after work, had to give that up as its a stuttering mess. Streaming drops in and out (Ive watched this happening will pinging google dns while watching netflix for example) packet loss/ high pings.
Typical ping example, it was doing this every twenty minutes or so..
05/12/2022 8:24:02 PM - Reply from 8.8.8.8: bytes=32 time=26ms TTL=117
05/12/2022 8:24:03 PM - Reply from 8.8.8.8: bytes=32 time=29ms TTL=117
05/12/2022 8:24:04 PM - Reply from 8.8.8.8: bytes=32 time=26ms TTL=117
05/12/2022 8:24:05 PM - Reply from 8.8.8.8: bytes=32 time=23ms TTL=117
05/12/2022 8:24:06 PM - Reply from 8.8.8.8: bytes=32 time=23ms TTL=117
05/12/2022 8:24:07 PM - Reply from 8.8.8.8: bytes=32 time=56ms TTL=117
05/12/2022 8:24:08 PM - Reply from 8.8.8.8: bytes=32 time=309ms TTL=117
05/12/2022 8:24:09 PM - Reply from 8.8.8.8: bytes=32 time=576ms TTL=117
05/12/2022 8:24:10 PM - Reply from 8.8.8.8: bytes=32 time=637ms TTL=117
05/12/2022 8:24:14 PM - Request timed out.
05/12/2022 8:24:16 PM - Reply from 8.8.8.8: bytes=32 time=460ms TTL=117
05/12/2022 8:24:17 PM - Reply from 8.8.8.8: bytes=32 time=477ms TTL=117
05/12/2022 8:24:18 PM - Reply from 8.8.8.8: bytes=32 time=381ms TTL=117
05/12/2022 8:24:22 PM - Request timed out.
05/12/2022 8:24:24 PM - Reply from 8.8.8.8: bytes=32 time=337ms TTL=117
05/12/2022 8:24:25 PM - Reply from 8.8.8.8: bytes=32 time=467ms TTL=117
05/12/2022 8:24:26 PM - Reply from 8.8.8.8: bytes=32 time=444ms TTL=117
05/12/2022 8:24:27 PM - Reply from 8.8.8.8: bytes=32 time=339ms TTL=117
05/12/2022 8:24:31 PM - Request timed out.
05/12/2022 8:24:33 PM - Reply from 8.8.8.8: bytes=32 time=426ms TTL=117
05/12/2022 8:24:34 PM - Reply from 8.8.8.8: bytes=32 time=265ms TTL=117
05/12/2022 8:24:34 PM - Reply from 8.8.8.8: bytes=32 time=214ms TTL=117
05/12/2022 8:24:36 PM - Reply from 8.8.8.8: bytes=32 time=631ms TTL=117
05/12/2022 8:24:36 PM - Reply from 8.8.8.8: bytes=32 time=198ms TTL=117
05/12/2022 8:24:37 PM - Reply from 8.8.8.8: bytes=32 time=98ms TTL=117
05/12/2022 8:24:39 PM - Reply from 8.8.8.8: bytes=32 time=582ms TTL=117
05/12/2022 8:24:40 PM - Reply from 8.8.8.8: bytes=32 time=255ms TTL=117
05/12/2022 8:24:41 PM - Reply from 8.8.8.8: bytes=32 time=317ms TTL=117
05/12/2022 8:24:42 PM - Reply from 8.8.8.8: bytes=32 time=385ms TTL=117
05/12/2022 8:24:43 PM - Reply from 8.8.8.8: bytes=32 time=347ms TTL=117
05/12/2022 8:24:44 PM - Reply from 8.8.8.8: bytes=32 time=539ms TTL=117
05/12/2022 8:24:45 PM - Reply from 8.8.8.8: bytes=32 time=317ms TTL=117
05/12/2022 8:24:46 PM - Reply from 8.8.8.8: bytes=32 time=225ms TTL=117
05/12/2022 8:24:46 PM - Reply from 8.8.8.8: bytes=32 time=55ms TTL=117
05/12/2022 8:24:47 PM - Reply from 8.8.8.8: bytes=32 time=72ms TTL=117
05/12/2022 8:24:48 PM - Reply from 8.8.8.8: bytes=32 time=32ms TTL=117
05/12/2022 8:24:50 PM - Reply from 8.8.8.8: bytes=32 time=501ms TTL=117
05/12/2022 8:24:51 PM - Reply from 8.8.8.8: bytes=32 time=160ms TTL=117
05/12/2022 8:24:52 PM - Reply from 8.8.8.8: bytes=32 time=118ms TTL=117
05/12/2022 8:24:52 PM - Reply from 8.8.8.8: bytes=32 time=78ms TTL=117
05/12/2022 8:24:54 PM - Reply from 8.8.8.8: bytes=32 time=127ms TTL=117
05/12/2022 8:24:55 PM - Reply from 8.8.8.8: bytes=32 time=100ms TTL=117
05/12/2022 8:24:56 PM - Reply from 8.8.8.8: bytes=32 time=537ms TTL=117
05/12/2022 8:24:57 PM - Reply from 8.8.8.8: bytes=32 time=216ms TTL=117
05/12/2022 8:24:58 PM - Reply from 8.8.8.8: bytes=32 time=521ms TTL=117
05/12/2022 8:24:59 PM - Reply from 8.8.8.8: bytes=32 time=442ms TTL=117
05/12/2022 8:25:00 PM - Reply from 8.8.8.8: bytes=32 time=384ms TTL=117
05/12/2022 8:25:04 PM - Request timed out.
05/12/2022 8:25:06 PM - Reply from 8.8.8.8: bytes=32 time=566ms TTL=117
05/12/2022 8:25:06 PM - Reply from 8.8.8.8: bytes=32 time=27ms TTL=117
05/12/2022 8:25:07 PM - Reply from 8.8.8.8: bytes=32 time=23ms TTL=117
05/12/2022 8:25:08 PM - Reply from 8.8.8.8: bytes=32 time=30ms TTL=117
05/12/2022 8:25:09 PM - Reply from 8.8.8.8: bytes=32 time=24ms TTL=117
05/12/2022 8:25:10 PM - Reply from 8.8.8.8: bytes=32 time=25ms TTL=117
05/12/2022 8:25:11 PM - Reply from 8.8.8.8: bytes=32 time=20ms TTL=117
05/12/2022 8:25:12 PM - Reply from 8.8.8.8: bytes=32 time=25ms TTL=117
Im due a call back from the engineer, it least he said he would toward end of week.... Im guessing he wont be able to fix it, seems to me like my issue is oversubscription in my area, too many people accessing a limited resource..
Thanks