Intermittent disconnects

[oogabooga007]

Hi Gdkitty,

Thanks for following up. No, there is no drop during the bad times; the strength is indeed fairly consistent across all the channels, and in both good and bad times. 

I've read something about "CMTS" issues but I don't know enough to say whether it is perhaps related to my woes.

Sam

[Gdkitty]

The CMTS is something at the local head end.. sort of where the modem registers to.

There have been CMTS changes recently, with them changing to CASA instead of cisco.. but generally shouldnt be causing what your happening.

Unless its just droping the registration or something.. that the cmts is having issues in that way.

[oogabooga007]

Thanks again Gdkitty. I picked up a Cisco modem this afternoon, so let's see if it can fair better than the two Hitron misses I've had thus far.

[WBarras]

Hey @Datalink sorry for the late reply. It suddenly stopped not working! 🙂 Unofrtuntely for the past week it's been off and on again (not as badly but more than normal I would think)

Ever since then, my roll-off has been better on the downstream, reaching 300ish Mhz vs. 621. Upstream is still low as you said, hovering around 30-33 dBmV range. This correlates with a few changes I made to the wiring sytem in my house. I haven't changed the actual wire, but I have replaced a few splitters which were unknowlingly in positions that were better catered to couplers (I used splitters for those instead of couplers) Silver ones if that make any difference. That obviously changed my timeout situation for the better, but not my upstream.

I have an old splitter (only one now) that is rated at 5-1000Mhz. Is that sufficent or should I be looking at higher ones of the 2Ghz range? It's also silver plated vs the gold I'm seeing at Best Buy and the Source. So far it's good! But if it comes back, I might look into the actual cable replacement and a tech visit. Thanks in advance again.

[RyanFok]

Hello,

Exact same problem for me as well, my internet have been disconnecting atleast 3-4 times a day and it last for roughly 30 secs. I have swopped modem and the samething is still happening. I nothiced this issue occured when there was a issue with Rogers back on October 27 (case number C116716310). I called Tech 3 times and they couldnt find any issue but to tell me to unplug the modem. I live in a Condo, so I guess the lines run accross the whole building. 

I have the CGN3ROG router and here is my log ( not sure what it means), hopefully someone can shine a light.

Thanks

Downstream Overview

Port ID	Frequency (MHz)	Modulation	Signal strength (dBmV)	Signal noise ratio (dB)	Channel ID
1	591000000	256QAM	-7.300	37.636	31
2	363000000	256QAM	-6.600	37.636	10
3	369000000	256QAM	-6.500	37.356	11
4	375000000	256QAM	-6.400	37.636	12
5	381000000	256QAM	-6.300	37.356	13
6	387000000	256QAM	-6.900	37.636	14
7	393000000	256QAM	-7.500	37.356	15
8	399000000	256QAM	-7.300	37.636	16
9	405000000	256QAM	-7.600	37.356	17
10	411000000	256QAM	-7.300	37.356	18
11	417000000	256QAM	-7.200	37.636	19
12	423000000	256QAM	-7.300	37.356	20
13	429000000	256QAM	-6.400	37.356	21
14	435000000	256QAM	-5.800	37.636	22
15	441000000	256QAM	-6.300	37.636	23
16	447000000	256QAM	-6.600	37.356	24
17	555000000	256QAM	-5.300	37.636	25
18	561000000	256QAM	-5.800	37.636	26
19	567000000	256QAM	-5.700	37.356	27
20	573000000	256QAM	-5.700	37.356	28
21	579000000	256QAM	-6.400	37.356	29
22	585000000	256QAM	-6.500	37.636	30
23	357000000	256QAM	-6.900	36.610	9
24	597000000	256QAM	-6.800	37.356	32

Upstream Overview

Port ID	Frequency (MHz)	BandWidth	Modulation Type	Signal Strength (dBmV)	Channel ID
1	30596000	6400000	ATDMA	46.000	1
2	9999984	6400000	ATDMA	51.000	---
3	9999984	6400000	ATDMA	50.250	---

[Gdkitty]

While your signal is a little on the low side, they are technically not out of spec..
But they do still look a bit out of wack.. 

That it lists 3 upstream channels... but the channel ID and frequency is out of wack.

This is definately something you will need to call in and have a tech sent out.

[optimal1oo1]

I am trying to figure out what is causing my modem go through these changes... for some reason during certain hours .. there isn't a specific time frame the modem stats spike and there is a big difference in variation .

When the jumps happen my internet starts behaving differently, and more t3 errors start showing up in my modem log and hiccups in the internet where things dont load.

Yesterday:

Downstream Overview

Port ID	Frequency (MHz)	Modulation	Signal strength (dBmV)	Channel ID	Signal noise ratio (dB)
1	693000000	256QAM	-1.200	47	39.636
2	363000000	256QAM	-1.300	10	40.946
3	369000000	256QAM	1.700	11	40.946
4	375000000	256QAM	1.400	12	40.366
5	381000000	256QAM	1.200	13	40.366
6	387000000	256QAM	1.200	14	40.366
7	393000000	256QAM	-1.300	15	40.366
8	399000000	256QAM	-1.600	16	40.946
9	405000000	256QAM	-1.800	17	40.266
10	411000000	256QAM	-1.100	18	40.946
11	417000000	256QAM	-1.500	19	40.466
12	423000000	256QAM	1.700	20	40.566
13	429000000	256QAM	1.800	21	40.466
14	435000000	256QAM	1.900	22	40.946
15	441000000	256QAM	1.100	23	40.946
16	447000000	256QAM	-1.500	24	40.946
17	555000000	256QAM	-1.300	25	38.936
18	561000000	256QAM	-1.200	26	37.356
19	567000000	256QAM	-0.900	27	37.636
20	573000000	256QAM	-0.800	28	37.636
21	681000000	256QAM	1.100	45	37.636
22	687000000	256QAM	0.100	46	37.636
23	357000000	256QAM	0.700	9	40.366
24	699000000	256QAM	1.500	48	39.356

Today:

Downstream Overview

Port ID	Frequency (MHz)	Modulation	Signal strength (dBmV)	Channel ID	Signal noise ratio (dB)
1	693000000	256QAM	2.300	47	37.636
2	363000000	256QAM	3.700	10	40.946
3	369000000	256QAM	3.700	11	40.946
4	375000000	256QAM	3.700	12	40.366
5	381000000	256QAM	4.000	13	40.366
6	387000000	256QAM	4.200	14	40.366
7	393000000	256QAM	4.300	15	40.366
8	399000000	256QAM	4.600	16	40.946
9	405000000	256QAM	4.800	17	40.366
10	411000000	256QAM	5.100	18	40.946
11	417000000	256QAM	5.500	19	40.366
12	423000000	256QAM	5.700	20	40.366
13	429000000	256QAM	5.800	21	40.366
14	435000000	256QAM	6.000	22	40.946
15	441000000	256QAM	6.100	23	40.946
16	447000000	256QAM	6.500	24	40.946
17	555000000	256QAM	-1.300	25	37.636
18	561000000	256QAM	-1.200	26	37.356
19	567000000	256QAM	-0.900	27	37.636
20	573000000	256QAM	-0.800	28	37.636
21	681000000	256QAM	2.100	45	37.636
22	687000000	256QAM	2.100	46	37.636
23	357000000	256QAM	3.700	9	40.366
24	699000000	256QAM	2.500	48	37.356

Upstream seems pretty consistent on both days:

Upstream Overview

Port ID	Frequency (MHz)	Modulation	Signal strength (dBmV)	Channel ID	BandWidth
1	23700000	ATDMA - 64QAM	44.500	2	6400000
2	38596000	ATDMA - 64QAM	46.250	3	3200000
3	30596000	ATDMA - 64QAM	44.500	1	6400000

[Gdkitty]

Both of those are within spec.. and still pretty close to the good point.. that i wouldnt think that DIRECTLY is the issue your having.  Its only when you start getting close to/above +/- 10 that you really start seeing a bunch.

Question is, what is causing the varriance?

Does this happen randomly durring the day? Or does it seem to happen more at a specific time?

Randomly.. could be something like the connector outside the house is going (with the weather, etc).

More specific times.. i am guessing its more of an area issue.  When more people are on, etc.. that something cang handle the strain, and then your seeing signal changes... as well as possible OTHER issues at the local node, etc possibly, which may be causing the problems.

[optimal1oo1]

---

@Gdkitty wrote:

Both of those are within spec.. and still pretty close to the good point.. that i wouldnt think that DIRECTLY is the issue your having.  Its only when you start getting close to/above +/- 10 that you really start seeing a bunch.

Question is, what is causing the varriance?

Does this happen randomly durring the day? Or does it seem to happen more at a specific time?

Randomly.. could be something like the connector outside the house is going (with the weather, etc).

More specific times.. i am guessing its more of an area issue.  When more people are on, etc.. that something cang handle the strain, and then your seeing signal changes... as well as possible OTHER issues at the local node, etc possibly, which may be causing the problems.

---

From what I have gathered, it seems to happen between 2-7 sometimes 9 and the stats drop off again to "norm"

But on lets say weekends i've had it all day until midnight .

So it could be an "area" issue , or maybe something going on at the tap, 

They are within spec, but there is a variance between the lower to highest and back down.. like some channels jump and others remain .

I don't know to be honest.. there have been periodic slow down and ping spikes but nothing huge

[RyanFok]

I am also having similar issue, my wifi for 2.4/5g is very unstable. Below is the event log, not sure what they mean, but i see alot of "errors", "no range response". I got a tech coming this friday, but does anyone know whats going on in the mean time? Thanks

No	Time	type	Priority	Event
1	12/13/16 21:19:48	82000200	critical	No Ranging Response received - T3 time-out;CM-MAC=78:8d:f7:af:68:c0;CMTS-MAC=00:17:10:93:71:0e;CM-QOS=1.1;CM-VER=3.0;
2	12/13/16 21:19:48	82000300	critical	Ranging Request Retries exhausted;CM-MAC=78:8d:f7:af:68:c0;CMTS-MAC=00:17:10:93:71:0e;CM-QOS=1.1;CM-VER=3.0;
3	12/13/16 21:19:48	82000600	critical	Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=78:8d:f7:af:68:c0;CMTS-MAC=00:17:10:93:71:0e;CM-QOS=1.1;CM-VER=3.0;
4	12/13/16 21:19:48	82000300	critical	Ranging Request Retries exhausted;CM-MAC=78:8d:f7:af:68:c0;CMTS-MAC=00:17:10:93:71:0e;CM-QOS=1.1;CM-VER=3.0;
5	12/13/16 21:19:49	82000600	critical	Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=78:8d:f7:af:68:c0;CMTS-MAC=00:17:10:93:71:0e;CM-QOS=1.1;CM-VER=3.0;
6	12/13/16 21:19:49	82000300	critical	Ranging Request Retries exhausted;CM-MAC=78:8d:f7:af:68:c0;CMTS-MAC=00:17:10:93:71:0e;CM-QOS=1.1;CM-VER=3.0;
7	12/13/16 21:19:49	82000600	critical	Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=78:8d:f7:af:68:c0;CMTS-MAC=00:17:10:93:71:0e;CM-QOS=1.1;CM-VER=3.0;
8	12/13/16 21:20:32	82000200	critical	No Ranging Response received - T3 time-out;CM-MAC=78:8d:f7:af:68:c0;CMTS-MAC=00:17:10:93:71:0e;CM-QOS=1.1;CM-VER=3.0;
9	12/13/16 21:23:46	90000000	warning	MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;CM-MAC=78:8d:f7:af:68:c0;CMTS-MAC=00:17:10:93:71:0e;CM-QOS=1.1;CM-VER=3.0;
10	12/17/16 07:44:02	82000200	critical	No Ranging Response received - T3 time-out;CM-MAC=78:8d:f7:af:68:c0;CMTS-MAC=00:17:10:93:71:0e;CM-QOS=1.1;CM-VER=3.0;
11	12/17/16 08:58:06	68010300	error	DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=78:8d:f7:af:68:c0;CMTS-MAC=00:17:10:93:71:0e;CM-QOS=1.1;CM-VER=3.0;
12	12/18/16 03:25:00	82000200	critical	No Ranging Response received - T3 time-out;CM-MAC=78:8d:f7:af:68:c0;CMTS-MAC=00:17:10:93:71:0e;CM-QOS=1.1;CM-VER=3.0;
13	12/18/16 08:58:06	68010300	error	DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=78:8d:f7:af:68:c0;CMTS-MAC=00:17:10:93:71:0e;CM-QOS=1.1;CM-VER=3.0;
14	12/19/16 08:36:17	82000200	critical	No Ranging Response received - T3 time-out;CM-MAC=78:8d:f7:af:68:c0;CMTS-MAC=00:17:10:93:71:0e;CM-QOS=1.1;CM-VER=3.0;
15	12/19/16 08:58:07	68010300	error	DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=78:8d:f7:af:68:c0;CMTS-MAC=00:17:10:93:71:0e;CM-QOS=1.1;CM-VER=3.0;
16	12/19/16 22:21:05	82000200	critical	No Ranging Response received - T3 time-out;CM-MAC=78:8d:f7:af:68:c0;CMTS-MAC=00:17:10:93:71:0e;CM-QOS=1.1;CM-VER=3.0;
17	12/20/16 02:16:36	84020200	warning	Lost MDD Timeout;CM-MAC=78:8d:f7:af:68:c0;CMTS-MAC=00:17:10:93:71:0e;CM-QOS=1.1;CM-VER=3.0;
18	12/20/16 05:40:04	82000200	critical	No Ranging Response received - T3 time-out;CM-MAC=78:8d:f7:af:68:c0;CMTS-MAC=00:17:10:93:71:0e;CM-QOS=1.1;CM-VER=3.0;
19	12/20/16 08:58:08	68010300	error	DHCP RENEW WARNING - Field invalid in response v4 option;CM-MAC=78:8d:f7:af:68:c0;CMTS-MAC=00:17:10:93:71:0e;CM-QOS=1.1;CM-VER=3.0;
20	12/20/16 15:42:24	82000200	critical	No Ranging Response received - T3 time-out;CM-MAC=78:8d:f7:af:68:c0;CMTS-MAC=00:17:10:93:71:0e;CM-QOS=1.1;CM-VER=3.0;