Internet Keeps Dropping

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toolcubed
I'm a Reliable Contributor
Posts: 418

Re: Internet Keeps Dropping

@stuhome , curious if your issues are really due to OFDMA being enabled, or if you're experiencing the micro disconnections as a result of IPv6 problems like I am.  Is IPv6 enabled on your end?  If so, I'm wondering if you'd still have issues after disabling IPv6...

stuhome
I Plan to Stick Around
Posts: 16

Re: Internet Keeps Dropping

@toolcubed How do I see that? because you're right, they are short disconnects of maybe a second which is enough of a disconnect to drop the connection to RDP and on a VOIP call where nothing is heard.

 

I am in Bridged mode to an DLINK DIR-882, and in the Internet page, IPv6 is set to Local Connectivity only.

toolcubed
I'm a Reliable Contributor
Posts: 418

Re: Internet Keeps Dropping

I'm not familiar with D-Link products.  What do you mean by "Local Connectivity" only?  If you take a screenshot of your IPv6 settings and post here, we should be able to confirm whether or not it's enabled.  NOTE:  Make sure to block out your IP address before you post!!!

 

Edit:  Disregard.  I found the following D-Link support page (URL below).  Looks like "Local Connectivity Only" means IPv6 is, in fact, disabled (i.e. disabled on the WAN port).  So your issues don't appear to be related to IPv6.

 

https://support.dlink.com/mobile/main/mfaq.aspx?f=fy1VN6dQO2jDhMHqXF6fqQ%3D%3D

stuhome
I Plan to Stick Around
Posts: 16

Re: Internet Keeps Dropping

@toolcubed

Thanks for looking in to it, this morning seems better, I've done a full reboot of the entire system, all switches, modem and router.  We shall see how it goes... Will report back later if my micro-disconnects are resolved.

 

Can anyone explain to me why my signal levels constantly fluctuate?  Yesterday my levels were all around -0.5 to +1dbmV, when this all kicked off with OFDMA, they were in the high +6 to +8, at one point they were +13 to +15 when the Line Amplifier broke, but today after the reboot they're now even lower and are sitting at -1 to -3.099dbmV.

 

@Datalink  Do you know hat would cause this to fluctuate so much?  I understand temperature can affect resistance on the line but not to this degree surely?  <cue the "Don't call me Shirley" quotes>

 

Downstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDSignal noise ratio (dB)
1591000000QAM256-1.000738.605
2597000000QAM256-1.000838.605
3603000000QAM256-1.299938.605
4579000000QAM256-0.900538.605
5585000000QAM256-0.799638.983
6279000000QAM256-0.799138.983
7609000000QAM256-1.0991038.983
8615000000QAM256-1.2001138.605
9621000000QAM256-1.2001238.983
10633000000QAM256-1.5991338.983
11639000000QAM256-1.5991438.605
12645000000QAM256-1.2991538.605
13651000000QAM256-1.4001638.605
14657000000QAM256-1.5001738.983
15663000000QAM256-1.7001838.605
16669000000QAM256-1.5991938.983
17675000000QAM256-1.7992038.983
18681000000QAM256-1.7992138.605
19687000000QAM256-1.7002238.983
20693000000QAM256-1.5002338.983
21699000000QAM256-1.2992438.605
22705000000QAM256-1.2992538.605
23711000000QAM256-0.9002638.605
24717000000QAM256-1.0002738.605
25723000000QAM256-0.7002838.983
26825000000QAM256-2.7002937.636
27831000000QAM256-2.2993037.636
28837000000QAM256-2.5003137.636
29843000000QAM256-2.7003237.636
30849000000QAM256-2.599237.636
31855000000QAM256-3.000337.636
32861000000QAM256-3.099437.355
OFDM Downstream Overview
ReceiverFFT typeSubcarr 0 Frequency(MHz)PLC lockedNCP lockedMDC1 lockedPLC power(dBmv)
0NANANONONONA
14K275600000YESYESYES0.299999
Upstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDBandwidth
13870000064QAM44.52086400000
22110000064QAM43.51053200000
33230000064QAM44.52076400000
42590000064QAM44.52066400000
50QAM_NONE----1600000
60QAM_NONE----1600000
70QAM_NONE----1600000
80QAM_NONE----1600000
OFDM/OFDMA Overview
Channel IndexStatelin Digital AttDigital AttBW (sc's*fft)Report PowerReport Power1_6FFT Size
0OPERATE0.189911.52209.600050.281542.50002K
1DISABLED0.00000.00000.00000.00000.00002K
alfajina
I Plan to Stick Around
Posts: 15

Re: Internet Keeps Dropping

Just got the first disconnection since OFDMA was enabled again, at 2:25 am.

Same as before, I can hear people talk to me, they cannot hear me.

I guess I will call rogers tomorrow.

Geezup
I Plan to Stick Around
Posts: 33

Re: Internet Keeps Dropping

the reason for the internet dropping is who ever installed your modem probably put a staple through the coax cable.

dazzler1234
I've Been Around
Posts: 1

Re: Internet Keeps Dropping

I've been having the same micro disconnect issues for the last week or so. I have Team calls loose audio randomly and frequent disconnection. Contacted Rogers and they indicated there were no problems on their end and had me remove the modem from bridge mode to deploy monitoring. My DOCSIS stats are below. Will appreciate if anyone can guide me on how to resolve.

 

Downstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDSignal noise ratio (dB)
1591000000QAM2562.599738.983
2597000000QAM2562.599837.636
3603000000QAM2562.900935.779
4579000000QAM2562.700535.083
5585000000QAM2562.700636.609
6279000000QAM256-2.099136.386
7609000000QAM2562.7991035.779
8615000000QAM2563.4001137.636
9621000000QAM2563.4001238.605
10633000000QAM2563.5991335.595
11639000000QAM2563.5001435.779
12645000000QAM2563.2001537.355
13651000000QAM2563.2991637.636
14657000000QAM2563.5001735.779
15663000000QAM2563.2001835.595
16669000000QAM2563.2001936.386
17675000000QAM2564.1992037.355
18681000000QAM2564.4002136.386
19687000000QAM2564.3002235.595
20693000000QAM2564.1992335.779
21699000000QAM2563.9002437.355
22705000000QAM2564.0002537.355
23711000000QAM2563.7992635.779
24717000000QAM2563.5992734.925
25723000000QAM2563.2992835.595
26825000000QAM2564.0992935.595
27831000000QAM2564.0993036.386
28837000000QAM2564.0003137.636
29843000000QAM2564.5993237.355
30849000000QAM2564.800235.779
31855000000QAM2564.400335.595
32861000000QAM2563.599436.386
OFDM Downstream Overview
ReceiverFFT typeSubcarr 0 Frequency(MHz)PLC lockedNCP lockedMDC1 lockedPLC power(dBmv)
0NANANONONONA
14K275600000YESYESYES-1.099998
Upstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDBandwidth
12590000064QAM41.27026400000
23870000064QAM40.02046400000
33230000064QAM40.02036400000
42110000064QAM43.51013200000
50QAM_NONE----1600000
60QAM_NONE----1600000
70QAM_NONE----1600000
80QAM_NONE----1600000
OFDM/OFDMA Overview
Channel IndexStatelin Digital AttDigital AttBW (sc's*fft)Report PowerReport Power1_6FFT Size
0DISABLED0.00000.00000.00000.00000.00002K
1DISABLED0.00000.00000.00000.00000.00002K
carolynfs
I Plan to Stick Around
Posts: 19

Re: Internet Keeps Dropping

I had the identical problem including varying advice from 8 different technicians.  The only thing that eliminated the problem for me was connecting my laptop via ethernet cable to the modem.  I hope that this will be feasible for you.