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paulmaggiemcd
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Message 1 of 11
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Unbearable Ping Spikes

I've had this problem for ages now and had multiple attempts at fixing it, however they never worked. I decided to just leave it for a while, as I've seen that to be a suggestion, and see if the problem fixes itself. I assumed the issue wouldn't still be present and I feel like I'm wasting my time.  

https://www.thinkbroadband.com/broadband/monitoring/quality/share/01eae7a1919b15bb5c6639539c6471f01bfa8b20

I've seen multiple people with the same problem and have heard Virgin's service is over subscribed, but hoped that was resolved.

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paulmaggiemcd
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Message 2 of 11
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Re: Unbearable Ping Spikes

Downstream bonded channels

Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID

1723000000-238256 qam40
2539000000-1.438256 qam17
3547000000-138256 qam18
4555000000-138256 qam19
5563000000-1.238256 qam20
6571000000-138256 qam21
7579000000-138256 qam22
8587000000-138256 qam23
9595000000-1.438256 qam24
10603000000-1.538256 qam25
11611000000-1.938256 qam26
12619000000-2.238256 qam27
13627000000-2.238256 qam28
14635000000-237256 qam29
15643000000-1.938256 qam30
16651000000-1.938256 qam31
17659000000-1.738256 qam32
18667000000-1.538256 qam33
19675000000-1.438256 qam34
20683000000-1.438256 qam35
21691000000-138256 qam36
22699000000-1.238256 qam37
23707000000-1.238256 qam38
24715000000-1.538256 qam39



Downstream bonded channels

Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors

1Locked38.62930714369
2Locked38.6105025636
3Locked38.9109795628
4Locked38.9112177129
5Locked38.9120657404
6Locked38.6123044516
7Locked38.9130746859
8Locked38.6125385622
9Locked38.91408112946
10Locked38.6155535576
11Locked38.61619211842
12Locked38.62003315711
13Locked38.6229058213
14Locked37.6239045599
15Locked38.92112013392
16Locked38.6240939026
17Locked38.9225407360
18Locked38.9203758072
19Locked38.6268367551
20Locked38.92400515743
21Locked38.6239388644
22Locked38.62833323023
23Locked38.62733121847
24Locked38.62799217047
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paulmaggiemcd
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Message 3 of 11
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Re: Unbearable Ping Spikes

Upstream bonded channels

Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID

14620000046.8512064 qam11
23940000045.3512064 qam12
35369996946.8512064 qam10
46029994748.3512064 qam9



Upstream bonded channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1ATDMA0040
2ATDMA0090
3ATDMA0050
4ATDMA0060
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paulmaggiemcd
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Message 4 of 11
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Re: Unbearable Ping Spikes

General Configuration

Network access
Allowed
Maximum Number of CPEs
1
Baseline Privacy
Enabled
DOCSIS Mode
Docsis30
Config file
dJKDHSUBsgvca69834ncxv987



Primary Downstream Service Flow

SFID21786
Max Traffic Rate575000000
Max Traffic Burst42600
Min Traffic Rate0



Primary Upstream Service Flow

SFID21785
Max Traffic Rate38520000
Max Traffic Burst42600
Min Traffic Rate0
Max Concatenated Burst16320
Scheduling TypeBestEffort
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paulmaggiemcd
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Message 5 of 11
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Re: Unbearable Ping Spikes

Network Log

Time Priority Description

28/07/2021 18:27:53noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
26/07/2021 22:45:23criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
26/07/2021 09:57:19noticeDHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt053-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
26/07/2021 09:57:19ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
22/07/2021 23:45:5criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
22/07/2021 21:57:18noticeDHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt053-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
22/07/2021 21:57:18ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
20/07/2021 05:29:43criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
19/07/2021 14:14:43Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
19/07/2021 14:14:43criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
19/07/2021 14:13:59Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
19/07/2021 14:13:59criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
19/07/2021 14:13:59Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
19/07/2021 14:13:59criticalSYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
19/07/2021 14:13:59Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
19/07/2021 09:57:17noticeDHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt053-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
19/07/2021 09:57:17ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
17/07/2021 15:30:37criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/07/2021 21:57:16noticeDHCP Renew - lease parameters tftp file-cmreg-vmdg505-bbt053-b.cm modified;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
15/07/2021 21:57:16ErrorDHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;

.

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legacy1
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Message 6 of 11
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Re: Unbearable Ping Spikes

Your problem is Docsis and no good QoS for the upstream as you have many people in the area upload and the delay for you to send a packet buffers with everyone or maybe some people have their PC's infected doing DoS.

The problem got me thinking of another problem if no DoS was happening and that is VM could QoS after Docsis as a whole and that they try to limit and QoS upstream that matches four lots of 64 qam but if one person on them four channels has a 16 qam then VM would need to QoS as if everyone was on four 16 qam...

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Andrew-G
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Message 7 of 11
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Re: Unbearable Ping Spikes

BQM looks like a typical over-utilisation fault.  The outlook is not good.

Megan_L
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Message 8 of 11
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Re: Unbearable Ping Spikes

Hi Paulmaggiemcd,

Thanks for your post, I am sorry you're having this issue with your broadband services recently. 
I have had a look at your services on my side and can see there is an area outage, which is regarding an over utilisation issue like @Andrew-G mentioned.
This is due to be fixed  - 30 SEP 2021 13:00 - but please be aware this is just an estimate, it could change depending on what the engineers find. However, I am sure they will be working incredibly hard to get this fixed as soon as possible for you.
Thanks, 
Megan_L

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paulmaggiemcd
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Message 9 of 11
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Re: Unbearable Ping Spikes

Just curious if there is any reason as to why my internet seems to be better over the weekend compared to in the week? I would have thought it would be the other way around.  

https://www.thinkbroadband.com/broadband/monitoring/quality/share/c45e1e308b4ae943b4ec2e3c8e93e3911a4e7581-31-07-2021

 

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Andrew-G
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Message 10 of 11
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Re: Unbearable Ping Spikes

School summer holidays have started.  And with so much working from home, that's created new patterns of demand, and particular pressure on upstream which is more evident during the week.

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