08-11-2021 13:56 - edited 08-11-2021 14:09
I've been experiencing fairly severe rubber-banding & packet loss in the past few days along with fairly large latency spikes. Would someone be able to take a look? Here is my BQM for the past 24 hrs or so:
When the engineer first came to install our hub ~5 years ago (hub 3 I think?) he added an 8db forward path equaliser to the end of the cable. I've left it on when I installed the Hub 4 - could this be causing the issues? Or is this just classic over-utilisation again?
For the record, I'm connected to the hub via an ethernet cable, and I've run the diagnostic test on my.virginmedia.com.
on 08-11-2021 13:57
Here is my router downstream status:
Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID
8 | 194750000 | 7.4 | 39 | QAM256 | 8 |
1 | 138750000 | 8.3 | 38.6 | QAM256 | 1 |
2 | 146750000 | 8.4 | 38.6 | QAM256 | 2 |
3 | 154750000 | 8.4 | 38.6 | QAM256 | 3 |
4 | 162750000 | 8.1 | 38.6 | QAM256 | 4 |
5 | 170750000 | 7.8 | 37.6 | QAM256 | 5 |
6 | 178750000 | 7.7 | 37.6 | QAM256 | 6 |
7 | 186750000 | 7.6 | 38.6 | QAM256 | 7 |
9 | 202750000 | 7.4 | 38.6 | QAM256 | 9 |
10 | 210750000 | 7.4 | 38.6 | QAM256 | 10 |
11 | 218750000 | 7.3 | 38.6 | QAM256 | 11 |
12 | 226750000 | 7.4 | 38.6 | QAM256 | 12 |
13 | 234750000 | 7.3 | 37.6 | QAM256 | 13 |
14 | 242750000 | 7.3 | 38.6 | QAM256 | 14 |
15 | 250750000 | 7.3 | 38.6 | QAM256 | 15 |
16 | 258750000 | 7.2 | 38.6 | QAM256 | 16 |
17 | 266750000 | 7.4 | 38.6 | QAM256 | 17 |
18 | 274750000 | 7.8 | 38.6 | QAM256 | 18 |
19 | 282750000 | 7.8 | 38.6 | QAM256 | 19 |
20 | 290750000 | 7.7 | 39 | QAM256 | 20 |
21 | 298750000 | 7.2 | 38.6 | QAM256 | 21 |
22 | 306750000 | 6.7 | 38.6 | QAM256 | 22 |
23 | 314750000 | 6.8 | 37.6 | QAM256 | 23 |
24 | 322750000 | 7.1 | 37.4 | QAM256 | 24 |
25 | 330750000 | 7.2 | 37.4 | QAM256 | 25 |
26 | 338750000 | 6.9 | 37.6 | QAM256 | 26 |
27 | 346750000 | 6.7 | 37.6 | QAM256 | 27 |
28 | 354750000 | 6.7 | 37.6 | QAM256 | 28 |
29 | 362750000 | 6.7 | 38.6 | QAM256 | 29 |
30 | 370750000 | 6.6 | 39 | QAM256 | 30 |
31 | 378750000 | 6.2 | 38.6 | QAM256 | 31 |
Channel Lock Status RxMER (dB) Pre RS Errors Post RS Errors
8 | Locked | 38.983261 | 0 | 0 |
1 | Locked | 38.605377 | 0 | 0 |
2 | Locked | 38.605377 | 0 | 0 |
3 | Locked | 38.605377 | 291 | 0 |
4 | Locked | 38.605377 | 0 | 0 |
5 | Locked | 37.636276 | 0 | 0 |
6 | Locked | 37.636276 | 0 | 0 |
7 | Locked | 38.605377 | 55 | 0 |
9 | Locked | 38.605377 | 0 | 0 |
10 | Locked | 38.605377 | 0 | 0 |
11 | Locked | 38.605377 | 0 | 0 |
12 | Locked | 38.605377 | 0 | 0 |
13 | Locked | 37.636276 | 0 | 0 |
14 | Locked | 38.605377 | 0 | 0 |
15 | Locked | 38.605377 | 0 | 0 |
16 | Locked | 38.605377 | 0 | 0 |
17 | Locked | 38.605377 | 0 | 0 |
18 | Locked | 38.605377 | 0 | 0 |
19 | Locked | 38.605377 | 0 | 0 |
20 | Locked | 38.983261 | 0 | 0 |
21 | Locked | 38.605377 | 0 | 0 |
22 | Locked | 38.605377 | 0 | 0 |
23 | Locked | 37.636276 | 0 | 0 |
24 | Locked | 37.355988 | 0 | 0 |
25 | Locked | 37.355988 | 0 | 0 |
26 | Locked | 37.636276 | 0 | 0 |
27 | Locked | 37.636276 | 0 | 0 |
28 | Locked | 37.636276 | 0 | 0 |
29 | Locked | 38.605377 | 0 | 0 |
30 | Locked | 38.983261 | 0 | 0 |
31 | Locked | 38.605377 | 0 | 0 |
33 | 96 | 4K | 1880 | QAM4096 | 759 |
33 | Locked | 39 | 5.3 | 462279951 | 275 |
on 08-11-2021 13:57
And upstream:
Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID
1 | 46200000 | 42.8 | 5120 KSym/sec | 64QAM | 3 |
2 | 53700000 | 43 | 5120 KSym/sec | 64QAM | 2 |
3 | 60300000 | 43.5 | 5120 KSym/sec | 64QAM | 1 |
4 | 39400000 | 42.8 | 5120 KSym/sec | 64QAM | 4 |
Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts
1 | US_TYPE_STDMA | 0 | 0 | 1 | 0 |
2 | US_TYPE_STDMA | 0 | 0 | 3 | 0 |
3 | US_TYPE_STDMA | 0 | 0 | 0 | 0 |
4 | US_TYPE_STDMA | 0 | 0 | 0 | 0 |
on 10-11-2021 14:43
Good afternoon @Aidanjalali,
Welcome back to the forums and thank you for taking the time to post.
I am sorry to hear that you have had some issues with your services.
I have just checked over your account from here & I have been able to see that you have a downstream power level issue, we need to get an engineer out to come and resolve this.
I will pop you over a PM so that I can confirm your address.
Kind regards,
Zak_M
on 10-11-2021 15:55
Thank you for providing me with that information via PM.
I have booked the engineer appointment , for the time, date & to make any necessary amendments please visit your My Virgin Media account.
Kind regards,
Zak_M
on 10-11-2021 16:03
on 13-11-2021 10:48
Hi Aidanjalali,
Thanks for coming back to us, sorry you weren't able to see the visit via your online account, I have had a look and can see the visit took place, how did it go, what were the Technicians findings, how are things now?
Regards
Paul.
on 13-11-2021 10:52
Hi - thanks for following up! The engineer came over and couldn't find any downstream or upstream power issues. The dropped packets have resolved themselves but we are still getting the odd pingspike as you can see in my signature. The engineer's only suggestion was to downgrade to the Hub 3, which I didn't want to do for fear of losing out on wifi performance, so I'll be trying the hub in modem mode for a day or so just to check if it would improve the connection quality.
on 13-11-2021 14:33
@Aidanjalali wrote:<snip> The engineer's only suggestion was to downgrade to the Hub 3, which I didn't want to do for fear of losing out on wifi performance,
The wifi performance between the Hub 3 and 4 is arguable, there are several threads here that would suggest the Hub 3 is better.
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on 15-11-2021 15:06
Hi Aidanjalali
Did you check modem mode?
Best,
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