CODA-4582 - Open Issues for Investigation

Need Help?

That's what we're here for! The goal of the Rogers Community is to help you find answers on everything Rogers. Can't find what you're looking for? Just ask!
cancel
Showing results for 
Search instead for 
Did you mean: 
Reply
Highlighted
Moderator
Moderator
Posts: 1,845

Re: CODA-4582 - Open Issues for Investigation

 

Hello, @igorella1

 

Thank you for posting your concern in the Community. I appreciate your patience throughout the ordeal, we can definitely look into it for you. Please send us a private message at @CommunityHelps. Our private messaging system is explained in this blog.

 

Thanks, @Telek and @Datalink for your continuous contribution to the Community. 

 

Regards,

RogersMoin

 

 

Highlighted
Resident Expert
Resident Expert
Posts: 6,986

Re: CODA-4582 - Open Issues for Investigation

@igorella1, fwiw, the CGN3ACR will handle your internet plan data rates.  The slow wifi could be the result of wifi settings, channel setting or physical construction of the modem.  

 

The CGN3 series modems have three 2.4 Ghz antenna and three 5 Ghz wifi antenna which are all mounted on one side the motherboard.  That motherboard sits vertically in the modem.  The CODA-4582 has three 2.4 Ghz antenna and four 5 Ghz antenna all of which are mounted at the top of the modem, and therefore away from any interference and shielding from the motherboard.  The motherboard sits below the antenna.  All other things being equal, my personal opinion is that the 4582 would deliver better omni-directional wifi service although I would have to see the wifi test results to really confirm that. 

 

Slow wifi speeds can also be caused by the wifi settings and the wifi environment that you're in, ie:  who are you competing with for clear wifi channels.  With that in mind, when you have time, can you read thru the following post and make any changes necessary to the wifi settings.  The aim of course is to bring the wifi data rates up to where they should be. 

 

http://communityforums.rogers.com/t5/Internet/slow-wifi/m-p/399949#M47222

 

For the external connections, the green box that you referred to is the local tap, which services your internet, cable tv and Home Phone, and that of your neighbors as well.  If you're having problems running a CODA-4582, then your neighbors are probably suffering the same problem.  If the tech swapped cable ports at the tap to check the signal levels thru those ports, that would have indicated whether or not the issue was with your cable port or with the whole tap itself or further upstream.  Its possible that the tap across the street was on another cable entirely, which runs to the neighborhood Cable Modem Termination System (CMTS).  That CMTS is a green metal box, about three feet high, and approximately three feet by three feet square, possibly slightly larger.  The CMTS services all of the neighborhood taps, and therefore all of the neighborhood cable internet, tv and Home Phone services provided by Rogers and TPIAs, thru the Rogers cable system.  You might walk past it or drive past it every day, not realizing what its for.

 

So, there are three possible locations for problems, at your local tap, at the CMTS, or, in the cable that runs from the CMTS to the local tap.  Its conceivable that the problem was thought to have been isolated at the CMTS, and therefore the work order was cancelled.  If the tech that cancelled the work order did not check for the results at the local tap, then, as you discovered, the problem could still exist at the local tap.  Someone will have to go back in, determine what the problem is and call in the necessary resources to see that the problem is corrected.  Small consolation at this point, but, just pointing out what might have happened.  

 

While the CGN3ACR can handle the speeds that you're at, this will potentially be a bigger problem for anyone running gigabit service on a CODA-4582 thru your tap.  Your neighbors should be complaining if they're in that situation.  

 

I'm hoping that @RogersMoin can get this back on track and get your internet service back to where it was previously.  



Highlighted
Resident Expert
Resident Expert
Posts: 1,117

Re: CODA-4582 - Open Issues for Investigation


@igorella1 wrote:

I have a strange problem to report:

I got CODA-4582 back in Dec 2016. It work reasonably well until June 2017 showing 130 mbps on the ethernet connection, and 185 on WIFI ( using 5GHz wide channel on both iPad Air Pro and LG G5) on my 100u plan. Very respectable.

Around mid-June my area experienced multiple Rogers cable outages, several technician vans became a fixture in the neighborhood. At one point my internet speed fell to below 1mbps. Reboot the modem. Speed back to normal. After 15 minutes down to 1 mbps. Several time.

Enter Rogers technician. Changed modem.   Normal speed. Refuses to wait for 15 minutes. After 15 minutes speed down to 1mbps.

Complaint to Rogers. Second tech came. This one changed a couple of connectors in the basement, plus a modem and left. Same story (1 mbps after 15 minutes)

Complaint to Rogers. Visit scheduled for Senior Tech. 2 vans arrived, one of the guys introduced himself as senior tech. Told me that my signal is too strong, added attenuator to a patch cable and left without waiting. 15 minutes and 1 mbps. I called him and demanded Rogers ID number. That is when he admitted that he is not a senior tech at all.

Complaint to Rogers. This time real live senior tech arrived. Very thorough. Took ownership of the issue. Replaced all the cables in the basement. Threw away the attenuator. Replaced the modem twice. Same picture. He then decided to test the speed at the green box with his PC and new (CODA-4582) modem. Same picture.  I talked him to test the same setup (modem plus his laptop) at the green box across the street. This worked like a charm. The problem was upstream from the box. So far so good. He strung up a temporary line and initiated workordersto bury the cable and for Rogers maintenance to fix the infrastructure problem. Everything worked for 2 to 3 weeks, survived several outages. Then somebody at Rogers removed the temp line, cancelled the burial order and reconnected me to the old green box. Problem reappeared if full force!

This time I went to the store and downgraded my modem (did not want to do it because of future proof and much poorer WIFI performance of the Rocket CGN3AMR modem. Result: stable fast connection. Speed of 130 on the ethernet, WIFI 185 on Android, but only 35 on iPad Air Pro next to the modem. 

If you think my description above is too verbose, here is a brief summary of the puzzle:

 

CODA-4582 on one green box works fine, on a different one, boots up with  high speed, but "chokes" within 15 minutes and slows down to below 1 mbps. Tested with 4 different CODA-4582 several times.

CGN3AMR works fine on the "problem" green box


Wow, clearly this is a maintenance issue that Rogers should fix your tap. The fact that the modem swap back to DOCSIS 3.0 makes me suspect a DOCSIS 3.1 OFDM channel issue at your tap. Hopefully someone see's all you've been through and gets the tap fixed soon. 



Highlighted
I've Been Here Awhile
Posts: 2

Re: CODA-4582 - Open Issues for Investigation

I have an issue with staying connected to 5G wifi on my windows 10 new Acer laptop.  It switches to 2.4G automatically though I am only 10 feet away from the modem.  All other devices stay connected.  I have updated the driver for my Qualcom QCA9377 wireless adapter and have unchecked the "let computer turn off this divice to save power".

 

Any help is appreciated.

 

San Nathan

 

Highlighted
I Plan to Stick Around
Posts: 207

Re: CODA-4582 - Open Issues for Investigation

Disable WMM(QOS) in the wireless settings. Atheros-Quallcom cards seem to have issues with this setting enabled.
Highlighted
I've Been Here Awhile
Posts: 2

Re: CODA-4582 - Open Issues for Investigation

WMM (QOS) is disabled in factory settings on this CODA wifi settings.

Highlighted
Resident Expert
Resident Expert
Posts: 1,117

Re: CODA-4582 - Open Issues for Investigation

@sannathan


@sannathan wrote:

WMM (QOS) is disabled in factory settings on this CODA wifi settings.


Disable WMM on the network adapter in the computer:

settings -> device manager -> wifi adapter, then properties, then you'll find an option to change the settings. Also if it has roaming aggressiveness set it to the lowest setting.

 



Highlighted
I've Been Here Awhile
Posts: 2

Re: CODA-4582 - Open Issues for Investigation

I guess this Issue still exist. I got the CODA (which is Number 3) as of todate and I guess when connecting the Coax you get when wire test the modem speed around 50-60 then after around 3-5 mins the speed becomes around 4 mb/s

 

what is supposed to be done?

 

Thanks

Highlighted
I'm a Reliable Contributor
Posts: 381

Re: CODA-4582 - Open Issues for Investigation

Hello @RogersDave and others

 

For the last month, my Internet speed has dropped from the 900 Mbps on speedtest.net and Rogers speedtest sites to around 500 Mbps.  I contacted @CommunityHelps and they suggested I do a factory reset to remove the Beta firmware which I did (running 28T2 now).

 

After the reset I still have speed issues.  I tested from a wired cat 6 device and only having 1 computer plugged in and still have speed issues.  Back in Aug of this month, there was yet another area issue for postal code M1C4Z2.  

 

Could someone open a ticket with the network group to figure out what the issue is?  Also, has anyone else in East Scarborough had speed issues in the last month?

 

My signal levels are as follows:

 

 

Downstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDSignal noise ratio (dB)
1591000000256QAM2.700737.636
2855000000256QAM-3.100336.387
3861000000256QAM-3.300435.780
4579000000256QAM1.300537.356
5585000000256QAM2.000637.356
6849000000256QAM-2.800236.610
7597000000256QAM2.900837.636
8603000000256QAM2.500937.636
9609000000256QAM1.7001037.356
10615000000256QAM0.8001136.610
11621000000256QAM0.1001236.610
12633000000256QAM-1.1001336.387
13639000000256QAM-1.5001436.610
14645000000256QAM-1.1001536.387
15651000000256QAM-0.2001636.610
16657000000256QAM0.6001737.636
17663000000256QAM1.8001837.636
18669000000256QAM2.6001937.636
19675000000256QAM3.3002037.636
20681000000256QAM3.3002137.636
21687000000256QAM2.5002237.356
22693000000256QAM1.1002337.636
23699000000256QAM0.1002437.356
24705000000256QAM-0.9002537.356
25711000000256QAM-2.2002636.387
26717000000256QAM-2.6002736.387
27723000000256QAM-2.7002836.387
28825000000256QAM-3.9002935.595
29831000000256QAM-3.2003036.387
30837000000256QAM-3.1003136.610
31843000000256QAM-3.2003236.610
32303000000256QAM4.200136.610
OFDM Downstream Overview
ReceiverFFT typeSubcarr 0 Frequency(MHz)PLC lockedNCP lockedMDC1 lockedPLC power(dBmv)
04K275600000YESYESYES4.300003
1NANANONONONA
Upstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDBandwidth
138596000ATDMA - 64QAM43.25033200000
230596000ATDMA - 64QAM39.50016400000
323700000ATDMA - 64QAM39.25026400000
OFDM/OFDMA Overview
Channel IndexStatelin Digital AttDigital AttBW (sc's*fft)Report PowerReport Power1_6FFT Size
0DISABLED0.50000.00000.0000-inf-1.00004K
1DISABLED0.50000.00000.0000-inf-1.00004K

 

 

Thanks

Highlighted
Resident Expert
Resident Expert
Posts: 1,117

Re: CODA-4582 - Open Issues for Investigation


@Alex4161 wrote:

Hello @RogersDave and others

 

For the last month, my Internet speed has dropped from the 900 Mbps on speedtest.net and Rogers speedtest sites to around 500 Mbps.  I contacted @CommunityHelps and they suggested I do a factory reset to remove the Beta firmware which I did (running 28T2 now).

 

After the reset I still have speed issues.  I tested from a wired cat 6 device and only having 1 computer plugged in and still have speed issues.  Back in Aug of this month, there was yet another area issue for postal code M1C4Z2.  

 

Could someone open a ticket with the network group to figure out what the issue is?  Also, has anyone else in East Scarborough had speed issues in the last month?

 

My signal levels are as follows:

 

 

Downstream Overview
Port ID Frequency (MHz) Modulation Signal strength (dBmV) Channel ID Signal noise ratio (dB)
1 591000000 256QAM 2.700 7 37.636
2 855000000 256QAM -3.100 3 36.387
3 861000000 256QAM -3.300 4 35.780
4 579000000 256QAM 1.300 5 37.356
5 585000000 256QAM 2.000 6 37.356
6 849000000 256QAM -2.800 2 36.610
7 597000000 256QAM 2.900 8 37.636
8 603000000 256QAM 2.500 9 37.636
9 609000000 256QAM 1.700 10 37.356
10 615000000 256QAM 0.800 11 36.610
11 621000000 256QAM 0.100 12 36.610
12 633000000 256QAM -1.100 13 36.387
13 639000000 256QAM -1.500 14 36.610
14 645000000 256QAM -1.100 15 36.387
15 651000000 256QAM -0.200 16 36.610
16 657000000 256QAM 0.600 17 37.636
17 663000000 256QAM 1.800 18 37.636
18 669000000 256QAM 2.600 19 37.636
19 675000000 256QAM 3.300 20 37.636
20 681000000 256QAM 3.300 21 37.636
21 687000000 256QAM 2.500 22 37.356
22 693000000 256QAM 1.100 23 37.636
23 699000000 256QAM 0.100 24 37.356
24 705000000 256QAM -0.900 25 37.356
25 711000000 256QAM -2.200 26 36.387
26 717000000 256QAM -2.600 27 36.387
27 723000000 256QAM -2.700 28 36.387
28 825000000 256QAM -3.900 29 35.595
29 831000000 256QAM -3.200 30 36.387
30 837000000 256QAM -3.100 31 36.610
31 843000000 256QAM -3.200 32 36.610
32 303000000 256QAM 4.200 1 36.610
OFDM Downstream Overview
Receiver FFT type Subcarr 0 Frequency(MHz) PLC locked NCP locked MDC1 locked PLC power(dBmv)
0 4K 275600000 YES YES YES 4.300003
1 NA NA NO NO NO NA
Upstream Overview
Port ID Frequency (MHz) Modulation Signal strength (dBmV) Channel ID Bandwidth
1 38596000 ATDMA - 64QAM 43.250 3 3200000
2 30596000 ATDMA - 64QAM 39.500 1 6400000
3 23700000 ATDMA - 64QAM 39.250 2 6400000
OFDM/OFDMA Overview
Channel Index State lin Digital Att Digital Att BW (sc's*fft) Report Power Report Power1_6 FFT Size
0 DISABLED 0.5000 0.0000 0.0000 -inf -1.0000 4K
1 DISABLED 0.5000 0.0000 0.0000 -inf -1.0000 4K

 

 

Thanks


@Alex4161 Signals looks fine, however when you speed test, are you using the Rogers speed test servers on both tests? When I use the Rogers speedtest, on the Rogers website, or the rogers server on speedtest.net they both report speed test results around 600mb/s. When I choose a different server (EastLink - Barrie) I max out my connection. 

 

I would suggest you try the beta.speedtest.net then manually choose EastLink Barrie as the test server and post your wired speed test results. I just did the test myself to confirm, and choosing Rogers Toronto got me 650mb/s, choosing EastLink I got 850mb/s. Both test run over WiFi at 8:05am today.