M200 - lucky to break 100-120Mbps

[ToeJam85]

Consistenly suffering lower than advertised speeds on the line, had numerous issues previously, but connection looks to be more stable now;

Issue persists across Ethernet (1Gb) and Wifi (Wifi6 with Wifi6 device/router etc).

I've tried removing the Asus RT-AX88U and using the Virgin Hub as a router and no improvement either, so it's not a modem mode/3rd party router issue.

Quick sanity check that I'm using a 1Gb cable for the WAN connection on the AX88u

Downstream bonded channels

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

1	331000000	2.2	37	256 qam	25
2	203000000	3.2	37	256 qam	9
3	211000000	3.4	37	256 qam	10
4	219000000	3.4	37	256 qam	11
5	227000000	3.4	37	256 qam	12
6	235000000	3	37	256 qam	13
7	243000000	3.2	37	256 qam	14
8	251000000	2.7	37	256 qam	15
9	259000000	3	37	256 qam	16
10	267000000	2.9	37	256 qam	17
11	275000000	3.2	38	256 qam	18
12	283000000	3.2	38	256 qam	19
13	291000000	3.5	38	256 qam	20
14	299000000	3.2	37	256 qam	21
15	307000000	3	38	256 qam	22
16	315000000	2.9	37	256 qam	23
17	323000000	2.7	38	256 qam	24
18	339000000	2	37	256 qam	26
19	347000000	1.7	37	256 qam	27
20	355000000	1.7	38	256 qam	28
21	363000000	1.7	37	256 qam	29
22	371000000	1.5	38	256 qam	30
23	379000000	1.5	38	256 qam	31
24	387000000	1.2	38	256 qam	32

Downstream bonded channels

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

1	Locked	37.6	2574	0
2	Locked	37.3	1301583	175919
3	Locked	37.3	1543090	275157
4	Locked	37.6	1542333	362153
5	Locked	37.3	1120485	405031
6	Locked	37.6	1221466	240479
7	Locked	37.6	1007000	94565
8	Locked	37.6	868166	42146
9	Locked	37.6	365171	567
10	Locked	37.6	244282	265
11	Locked	38.6	80254	197
12	Locked	38.6	17345	109
13	Locked	38.9	7842	0
14	Locked	37.6	7148	0
15	Locked	38.6	5016	0
16	Locked	37.6	3441	0
17	Locked	38.6	2416	0
18	Locked	37.6	4744	0
19	Locked	37.6	4136	0
20	Locked	38.9	1407	0
21	Locked	37.6	1832	0
22	Locked	38.6	3924	0
23	Locked	38.6	1996	0
24	Locked	38.9	655	0

Upstream bonded channels

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

1	60300000	46.5	5120	64 qam	1
2	39400000	49.3	5120	64 qam	4
3	46200000	47.5	5120	64 qam	3
4	53700000	46.8	5120	64 qam	2

Upstream bonded channels

Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts

1	ATDMA	0	0	0	0
2	ATDMA	0	0	0	0
3	ATDMA	0	0	1	0
4	ATDMA	0	0	0	0

[ToeJam85]

Network Log - There's a pile of RCS errors that stopped on the 27th when I performed a factory reset of the modem at the behest of Virgin's 2nd line support, I was suffering consistent packet loss prior to this, which has been happening on and off for 12 months now, along with the slow speeds, I was hoping resolving the RCS errors would improve my speeds, but no luck.

Network Log

Time Priority Description

01/11/2021 14:43:34	notice	LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
30/10/2021 22:36:9	Error	DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
30/10/2021 03:29:26	critical	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
27/10/2021 20:05:35	notice	LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
27/10/2021 20:05:19	Warning!	LAN login FAILED : Incorrect Username / Password / ConnectionType;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
01/01/1970 00:01:37	critical	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
27/10/2021 19:56:50	notice	LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
27/10/2021 19:56:44	Warning!	LAN login FAILED : Incorrect Username / Password / ConnectionType;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
27/10/2021 19:12:36	notice	LAN login Success;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
27/10/2021 19:05:0	Warning!	RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
27/10/2021 19:04:55	critical	No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
27/10/2021 19:02:35	Warning!	RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
27/10/2021 19:00:52	critical	SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
27/10/2021 19:00:48	Warning!	RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
27/10/2021 18:59:43	critical	SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
27/10/2021 16:30:27	Warning!	RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
27/10/2021 16:29:10	critical	SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
27/10/2021 14:41:9	Warning!	RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
27/10/2021 14:39:39	critical	SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
27/10/2021 14:27:53	Warning!	RCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;

[Gareth_L]

Hi ToeJam85

Thank you for bringing this to our attention 

Sorry you have had to though 

I am more than happy to take a look at this for you 
I will need to send you a private message to pass security 
If you can check the purple envelope top right of your screen that would be great 
Regards     
Gareth_L

[ToeJam85]

Thanks Gareth, I've replied

[Gareth_L]

Those details were perfect ToeJam85

I have ran a quick check on your Hub and ca see we have a slight issue with both the up and downstream channels 

To get this fixed we need to send out a Technician

I have booked the first appointment we have available
You can check and reschedule this appointment through your online account if you need to
You can also cancel it if the fault has gone 
Can you please let me know how the visit goes 
Gareth_L

[Gareth_L]

Hello ToeJam85

Sorry for the late reply 

Just wanted to see how things are after the visit?

Gareth_L

[ToeJam85]

Hey Gareth,

Thanks for booking the visit, engineer attended, swapped out the splitters and then booked the network team to come out and look at the streetside infrastructure, they replaced a waterlogged junction box and things seem better, I did have a brief outage this evening with some packet loss (5-10 seconds) but no errors in the log.

I'll keep an eye on it for a few days and update, looking better though!

[Zoie_P]

Hi ToeJam85,

Thank you for the update. Glad your engineer visit went well and all looks good 😄

Please do keep us posted

Zoie