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scidhuv
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Packet loss and latency issues

Hi Virgin Media,

I've been having issues with packet loss affecting things like work, video calls and gaming.

Generally I have a ping of around 20ms but in the last week or two it has frequently started to get spikes of up to 1000ms and the occasional packet loss.

Games are frequently unplayable, with everything teleporting and warping around and multiple icons showing connection issues.

I've set up BQM but I can't see the packet loss on there

https://www.thinkbroadband.com/broadband/monitoring/quality/share/718e3f557bebe963be8fc7036118b78bc3...

I've attached various output from the router backend.

Cable Modem StatusItem Status Comments

Acquired Downstream Channel (Hz)
331000000
Locked
Ranged Upstream Channel (Hz)
32600000
Locked
Provisioning State
Online

 

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

13310000004.538256 qam25
2203000000640256 qam9
32110000005.540256 qam10
42190000004.938256 qam11
5227000000538256 qam12
62350000004.540256 qam13
72430000003.740256 qam14
82510000004.538256 qam15
92590000004.840256 qam16
102670000003.740256 qam17
112750000004.140256 qam18
122830000004.640256 qam19
132910000004.338256 qam20
142990000004.540256 qam21
153070000004.540256 qam22
163150000004.140256 qam23
173230000004.140256 qam24
18371000000338256 qam26
193790000002.438256 qam27
203870000003.940256 qam28
213950000002.438256 qam29
224030000002.540256 qam30
23411000000338256 qam31
244190000003.740256 qam32



Downstream bonded channels

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

1Locked38.9844194
2Locked40.32826581
3Locked40.94405415
4Locked38.94224205
5Locked38.690021399
6Locked40.36160224
7Locked40.33389512
8Locked38.91787201
9Locked40.31954416
10Locked40.32498363
11Locked40.32475463
12Locked40.91619173
13Locked38.91543213
14Locked40.3559160
15Locked40.91490223
16Locked40.31339232
17Locked40.31154449
18Locked38.92240426
19Locked38.626392569
20Locked40.316193083
21Locked38.92020733
22Locked40.32220244
23Locked38.91952136
24Locked40.32139213

 

Upstream bonded channels

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

13260000043.3512064 qam3
22580000043.3512064 qam4
33940004143.3512064 qam2
44620003444.8512064 qam1



Upstream bonded channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1ATDMA0010
2ATDMA0020
3ATDMA0040
4ATDMA0050



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Re: Packet loss and latency issues

Output from a ping to www.google.com made while writing this

64 bytes from 216.58.211.164: icmp_seq=116 ttl=115 time=44.319 ms
64 bytes from 216.58.211.164: icmp_seq=117 ttl=115 time=31.637 ms
64 bytes from 216.58.211.164: icmp_seq=118 ttl=115 time=22.387 ms
64 bytes from 216.58.211.164: icmp_seq=119 ttl=115 time=33.230 ms
64 bytes from 216.58.211.164: icmp_seq=120 ttl=115 time=54.325 ms
64 bytes from 216.58.211.164: icmp_seq=121 ttl=115 time=285.914 ms
Request timeout for icmp_seq 122
64 bytes from 216.58.211.164: icmp_seq=123 ttl=115 time=272.231 ms
64 bytes from 216.58.211.164: icmp_seq=124 ttl=115 time=291.567 ms
64 bytes from 216.58.211.164: icmp_seq=125 ttl=115 time=22.562 ms
64 bytes from 216.58.211.164: icmp_seq=126 ttl=115 time=18.430 ms
64 bytes from 216.58.211.164: icmp_seq=127 ttl=115 time=28.529 ms
64 bytes from 216.58.211.164: icmp_seq=128 ttl=115 time=50.823 ms
64 bytes from 216.58.211.164: icmp_seq=129 ttl=115 time=27.847 ms
64 bytes from 216.58.211.164: icmp_seq=130 ttl=115 time=17.224 ms

--- www.google.com ping statistics ---
172 packets transmitted, 171 packets received, 0.6% packet loss
round-trip min/avg/max/stddev = 17.031/37.798/291.567/36.944 ms
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