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h0neyzuckle
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Message 1 of 21
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Ethernet connection slows down entire home network

Hi everybody, long time lurker, first time poster.

I've been having a myriad of issues since lockdown started, from insane latency to intermittent connection. Now I'm facing a weird issue I can't myself explain.

The computer (with ethernet connection) I use has before been capable of hitting the 360Mbps speed I'm supposed to be getting, however, this last week or so, I've been sitting around 4Mbps with a maximum of 50Mbps that will only last momentarily, and this applies to any device that I speedtest on when the computer is on and connected to the SH3. The second I turn my computer off or disconnect the ethernet cable, and run a speed test on my phone or with the wifi on my computer, (with the super rare exception where I'm sometimes stuck to 50Mbps, this rectifies itself quickly enough) it instantly shoots up well over 200Mbps and even sometimes at the 350Mbps+ speeds I'm paying for.

I have personally never encountered this kind of issue. I've used both a longer CAT5e cable and a 1M CAT6 cable and nothing makes a difference, HOWEVER, Ports 1 and 2 are easily the slowest (usually around 2Mbps) while 3 is around 50Mbps and 4 I've managed to hit over 100Mbps a couple of times but it never stays consistent.

On top of the, frankly, awful latency I'm seeing in games at the moment and video calls with family across the country, the NOW TV 10Mbps that my other halfs family have (I use the Virgin exclusively, gaming, netflix and video calling) is honestly more reliable to me at the moment.

 

I've also tried in modem mode, with Windows in Safe/Networking mode and my other halfs iPad and phone to speedtest.

 

PC motherboard is ASUS Z170-P and WIFI card is the TP-Link TL-WDN4800.

Will post BQM and router stats below.

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h0neyzuckle
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Message 2 of 21
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Re: Ethernet connection slows down entire home network

My Broadband Ping - VM M350

From the 23rd above.

My Broadband Ping - VM M350

From the 24th above.

My Broadband Ping - VM M350

From today, the 25th, above.

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h0neyzuckle
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Re: Ethernet connection slows down entire home network

Downstream bonded channels

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

1458750000440256 qam32
2202750000-0.731256 qam9
3210750000-0.232256 qam10
4218750000031256 qam11
5226750000-0.428256 qam12
6234750000-135256 qam13
7242750000-1.736256 qam14
8250750000-237256 qam15
9258750000-1.237256 qam16
10266750000-0.537256 qam17
112747500000.437256 qam18
12282750000137256 qam19
132907500001.437256 qam20
142987500001.438256 qam21
153067500000.738256 qam22
163147500000.438256 qam23
173227500000.438256 qam24
18402750000338256 qam25
194107500002.940256 qam26
204187500002.740256 qam27
214267500002.940256 qam28
224347500002.740256 qam29
234427500002.440256 qam30
244507500002.939256 qam31



Downstream bonded channels

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

1Locked40.970317194
2Locked31.66121292515942927
3Locked32.3739657682353137
4Locked31.4236706328517788
5Locked28.99356168595093099
6Locked35.547646918334
7Locked36.65774616128
8Locked37.37109317652
9Locked37.347486114520
10Locked37.367386213273
11Locked37.621744613301
12Locked37.396644011836
13Locked37.64486810079
14Locked38.61100839459
15Locked38.94359397449
16Locked38.6308147979
17Locked38.985168001
18Locked38.9100887064
19Locked40.388796743
20Locked40.377366754
21Locked40.376586831
22Locked40.970866610
23Locked40.383257097
24Locked39.883027655
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h0neyzuckle
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Message 4 of 21
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Re: Ethernet connection slows down entire home network

Network Log

Time Priority Description

25/05/2020 16:58:20Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 16:37:13Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 16:36:59Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 16:28:31Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 16:28:22Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 16:27:13Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 14:19:12Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 13:22:29criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 08:54:2Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 03:06:55Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 03:06:46noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 03:05:51Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 02:56:16Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 02:56:15Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 02:55:22Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 02:55:22Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 02:52:8Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 02:52:7Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 02:51:43Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 02:51:42Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
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Roger_Gooner
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Message 5 of 21
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Helpful Answer

Re: Ethernet connection slows down entire home network

Your modem is losing its network lock. Can you power off your hub, check that all connections are tight between the hub and wall socket and that the cable is not kinked or damaged, and reboot your hub. BTW do you have an open splitter? After a few hours repost your stats and logs.

--
Hub 3.0, TP-Link Archer C8, TP-Link TL-SG1008D 8-port gigabit switch, V6
My Broadband Ping - Roger's VM Broadband Connection
h0neyzuckle
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Message 6 of 21
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Re: Ethernet connection slows down entire home network

Hi Roger

 

Thanks for that, gave it a few days after to make sure everything stayed as it should and can confirm that's sorted my packet loss issue and speed is back up over 360Mbps.

The issue I'm still having, and I'm putting this down to network congestion myself, is massive ping spikes in pretty much every ping-based application I use (mainly games, obviously haha, but also video calling and the like).

My Broadband Ping - VM M350

As you can see, I'm still getting frequently over 100ms spikes with bigger averages to 50ms - 80ms. I note your graph is MUCH less 'noisier' than mine. Is there anything I can do to sort this myself or is it something on Virgin's end?

 

Cheers again, more help than anybody I've spoken to on the phone in one quick reply :))

 

PS, it was just a case of tightening the connection at the wall, it was super loose. I'm checking on it everyday at the moment but seems to be okay. To be fair it's an old NTL box at the wall so it's probably knackered.

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Roger_Gooner
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Message 7 of 21
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Re: Ethernet connection slows down entire home network

You clearly still have a problem so repost your stats and logs.

--
Hub 3.0, TP-Link Archer C8, TP-Link TL-SG1008D 8-port gigabit switch, V6
My Broadband Ping - Roger's VM Broadband Connection
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h0neyzuckle
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Message 8 of 21
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Re: Ethernet connection slows down entire home network

Downstream bonded channels

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

13067500002.740256 qam22
2202750000240256 qam9
32107500002.238256 qam10
42187500002.440256 qam11
52267500002.240256 qam12
6234750000240256 qam13
72427500001.940256 qam14
8250750000240256 qam15
92587500002.240256 qam16
10266750000240256 qam17
112747500001.540256 qam18
122827500001.738256 qam19
132907500002.238256 qam20
142987500002.738256 qam21
153147500002.938256 qam23
16322750000340256 qam24
174027500005.340256 qam25
18410750000540256 qam26
194187500004.540256 qam27
204267500004.640256 qam28
214347500004.640256 qam29
224427500004.540256 qam30
23450750000540256 qam31
244587500005.540256 qam32



Downstream bonded channels

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

1Locked40.3350
2Locked40.9430
3Locked38.6760
4Locked40.3560
5Locked40.3380
6Locked40.3370
7Locked40.3380
8Locked40.3550
9Locked40.3340
10Locked40.3190
11Locked40.3210
12Locked38.9210
13Locked38.9240
14Locked38.9450
15Locked38.9310
16Locked40.9190
17Locked40.3210
18Locked40.3130
19Locked40.3130
20Locked40.3170
21Locked40.3120
22Locked40.3130
23Locked40.3190
24Locked40.311

0

 

Network Log

Time Priority Description

02/06/2020 01:05:22noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
29/05/2020 00:07:59criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
28/05/2020 18:02:34noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
28/05/2020 18:01:59Warning!LAN login FAILED : Incorrect Username / Password / ConnectionType;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
28/05/2020 02:26:58criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
27/05/2020 14:02:20noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
26/05/2020 17:02:50criticalNo Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 21:58:37Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 21:21:52Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 21:21:33Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 19:23:48Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 17:26:36Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 17:18:58noticeLAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 16:58:20Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 16:37:13Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 16:36:59Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 16:28:31Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 16:28:22Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 16:27:13Warning!Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
25/05/2020 14:19:12Warning!RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;

 

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Roger_Gooner
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Message 9 of 21
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Re: Ethernet connection slows down entire home network

Your problem remains as your modem is losing its network lock but not succeeding in fully reestablishing it. Unless there is an area fault you need a VM tech to come round.

--
Hub 3.0, TP-Link Archer C8, TP-Link TL-SG1008D 8-port gigabit switch, V6
My Broadband Ping - Roger's VM Broadband Connection
h0neyzuckle
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Message 10 of 21
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Re: Ethernet connection slows down entire home network

I've seen a fair bit on here lately about my area having a long-term issue, seems it was flagged around the start of the year (Bromley, Area 20 btw), and the fix date keeps getting pushed back.

Would love for an engineer to take a look regardless but have a feeling it won't get my BQM to the same level as your's regardless.

To be perfectly honest, the download speeds are fine again now, it is just my ping that's really sucking hard. I'm tempted to move to Zen but can only get ADSL on openreach so max 20Mbps really, and I'm not going to be living at this property a whole lot longer but will be staying in the area.

Think it would be worth downgrading my 30 day contract instead or getting a monthly contract with Zen? As nice as the faster speeds are, what I use the internet for generally is broken with this service and it seems Virgin don't have much intent on fixing it, Covid aside.

Looks like the next place I may be living has Hyperoptic so deffo gonna give them a go after I move I think.

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