on 19-08-2021 11:25
HI Everyone
So having an issue with many phone calls and chats and its getting no where so i'm going to post here to see if this helps or i might just downgrade again or even leave virgin media at this point the amount of effort it has cost me, anyways i digress the main issue is my DOCSYS 3.1 connection.
I have rebooted and hard rebooted countless times now and things stay the same. i haven't gone above 80 mb since the 6th aug.
I believe my modulation should be QAM4096 but its currently QAM1024, also getting a-lot of errors on my docsys3.0 connections, here is a print out of my router status downstreams, upstreams are great.
on 19-08-2021 11:26
My stats
1 | 139000000 | 1.599998 | 40.366287 | QAM256 | 1 |
2 | 147000000 | 1.000000 | 40.366287 | QAM256 | 2 |
3 | 155000000 | 0.599998 | 38.983261 | QAM256 | 3 |
4 | 163000000 | 0.200001 | 38.605377 | QAM256 | 4 |
5 | 171000000 | 0.200001 | 38.983261 | QAM256 | 5 |
6 | 179000000 | 0.000000 | 38.983261 | QAM256 | 6 |
7 | 187000000 | -0.099998 | 40.946209 | QAM256 | 7 |
8 | 195000000 | 0.099998 | 40.366287 | QAM256 | 8 |
9 | 203000000 | -0.099998 | 40.946209 | QAM256 | 9 |
10 | 211000000 | -0.500000 | 40.366287 | QAM256 | 10 |
11 | 219000000 | -0.700001 | 40.946209 | QAM256 | 11 |
12 | 227000000 | -0.599998 | 40.946209 | QAM256 | 12 |
13 | 235000000 | -0.900002 | 40.366287 | QAM256 | 13 |
14 | 243000000 | -1.200001 | 40.366287 | QAM256 | 14 |
15 | 251000000 | -1.799999 | 40.366287 | QAM256 | 15 |
16 | 259000000 | -2.200001 | 40.366287 | QAM256 | 16 |
17 | 267000000 | -2.700001 | 40.366287 | QAM256 | 17 |
18 | 275000000 | -2.700001 | 40.366287 | QAM256 | 18 |
19 | 283000000 | -1.799999 | 40.946209 | QAM256 | 19 |
20 | 291000000 | -1.099998 | 40.946209 | QAM256 | 20 |
21 | 299000000 | -0.599998 | 40.946209 | QAM256 | 21 |
22 | 307000000 | -1.700001 | 40.366287 | QAM256 | 22 |
23 | 315000000 | -2.400002 | 40.946209 | QAM256 | 23 |
24 | 323000000 | -2.599998 | 40.366287 | QAM256 | 24 |
25 | 331000000 | -2.799999 | 40.946209 | QAM256 | 25 |
26 | 339000000 | -2.799999 | 40.366287 | QAM256 | 26 |
27 | 347000000 | -3.000000 | 40.366287 | QAM256 | 27 |
28 | 355000000 | -2.400002 | 40.946209 | QAM256 | 28 |
29 | 363000000 | -2.400002 | 40.946209 | QAM256 | 29 |
30 | 371000000 | -2.700001 | 40.946209 | QAM256 | 30 |
31 | 379000000 | -3.099998 | 40.366287 | QAM256 | 31 |
1 | Locked | 40.366287 | 47335 | 16959 |
2 | Locked | 40.366287 | 88513 | 27003 |
3 | Locked | 38.983261 | 88983 | 42884 |
4 | Locked | 38.605377 | 108411 | 42611 |
5 | Locked | 38.983261 | 58466 | 61369 |
6 | Locked | 38.983261 | 148815 | 5343 |
7 | Locked | 40.946209 | 2229 | 0 |
8 | Locked | 40.366287 | 0 | 0 |
9 | Locked | 40.946209 | 0 | 0 |
10 | Locked | 40.366287 | 0 | 0 |
11 | Locked | 40.946209 | 0 | 0 |
12 | Locked | 40.946209 | 0 | 0 |
13 | Locked | 40.366287 | 0 | 0 |
14 | Locked | 40.366287 | 0 | 0 |
15 | Locked | 40.366287 | 0 | 0 |
16 | Locked | 40.366287 | 0 | 0 |
17 | Locked | 40.366287 | 0 | 0 |
18 | Locked | 40.366287 | 0 | 0 |
19 | Locked | 40.946209 | 0 | 0 |
20 | Locked | 40.946209 | 0 | 0 |
21 | Locked | 40.946209 | 0 | 0 |
22 | Locked | 40.366287 | 0 | 0 |
23 | Locked | 40.946209 | 0 | 0 |
24 | Locked | 40.366287 | 0 | 0 |
25 | Locked | 40.946209 | 0 | 0 |
26 | Locked | 40.366287 | 0 | 0 |
27 | Locked | 40.366287 | 0 | 0 |
28 | Locked | 40.946209 | 0 | 0 |
29 | Locked | 40.946209 | 0 | 0 |
30 | Locked | 40.946209 | 0 | 0 |
31 | Locked | 40.366287 | 0 | 0 |
on 19-08-2021 11:26
159 | 96 | 4K | 1880 | QAM1024 | 759 |
159 | Locked | 40 | -9.4 | 4562876 | 0 |
on 19-08-2021 11:27
3.0 Upstream channels
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
1 | 60300000 | 48.020599 | 5120 KSym/sec | 64QAM | 9 |
2 | 39400000 | 45.270599 | 5120 KSym/sec | 64QAM | 12 |
3 | 46200000 | 46.270599 | 5120 KSym/sec | 64QAM | 11 |
4 | 53700000 | 46.770599 | 5120 KSym/sec | 64QAM | 10 |
3.0 Upstream channels
Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
1 | US_TYPE_STDMA | 0 | 0 | 0 | 0 |
2 | US_TYPE_STDMA | 0 | 0 | 0 | 0 |
3 | US_TYPE_STDMA | 0 | 0 | 0 | 0 |
4 | US_TYPE_STDMA | 0 | 0 | 0 | 0 |
on 19-08-2021 12:05
Hello buddy.
Yes 3.1 channel should be 4096, I suspect it's dropping because the power level is too low. It's a touch noisy too at only 40 db.
3.0 channels power are on the low side but within spec, at least at the time you took the data.
The worrying thing is the post rs errors on your 3.0 downstream.
You need a bit of a tune up/levels adjusted perhaps that will eliminate the noise.
Either way it's not your equipment, it's up to virgin to fix it.
on 19-08-2021 12:16
Thanks for the reply and confirming that information. maybe i'm not going insane... maybe 😂
Now to wait for virgin media support to get back to me 😂
on 19-08-2021 12:22
on 21-08-2021 13:56
Hi Cyberstorm
Thanks for posting and welcome to the community.
Apologies for the broadband issue. I can see you've had a tech visit today - has everything been resolved?
Let me know if you need further assistance.
Kind regards,
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