Gigabit Speeds

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Resident Expert
Resident Expert
Posts: 5,253

Re: Gigabit Speeds

@BritesDW, you have the white CODA-4582 modem correct?  If so, your signal data that you posted is missing the Downstream OFDM data.  Can you log back into the modem, copy that Downstream OFDM section out of the table and post it please. 

I Plan to Stick Around
Posts: 15

Re: Gigabit Speeds

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 -2.799999
I Plan to Stick Around
Posts: 20

Re: Gigabit Speeds

Why are the Gigabit upload speeds capped at 30mbps?
I have FTTH (fiber that goes directly to my condo unit). So why is Rogers not able to give me at least Mbps?
It's one of the only reasons I might go back to Bell if that doesn't change soon! It's nice to have 1Gbps down, but I would actually be willing to trade it for a symmetric 500 Mbps connection.

Also, why is Rogers converting my Fiber to Coaxial cable and not using IP equipment? I feel like it's buying a Ferrari while only being able to use it in a 30km/h zone :-/

Posts: 219

Re: Gigabit Speeds

Hello @DeanLubaki,


Thank you for your post and welcome to the Rogers Community Forums! =)


I totally understand the need for more symmetrical speeds especially since Gigabit download speeds are possible now. 


We are constantly working to improve out Network Infrastructure and I am certain we will start seeing faster upload speeds in the near future. We use a Hybrid Fibre network which converts to Coax before reaching the home in most areas but if you are in a Fibre-to-the-suite building then it should only be converted to copper in the home using an Optical Network Unit (ONU). 


I hope this helps!



I Plan to Stick Around
Posts: 20

Re: Gigabit Speeds

The question is: since fibre runs directly on my condo unit, why do you not have special plans?
Bell does that because there is obviously more capacity.
I don't know if you guys will be able to retain me as a customer if Bell ever matches the price because I'm after upload speeds.
Posts: 219

Re: Gigabit Speeds

Hello @DeanLubaki,


I understand where you are coming from here but the Gigabit Package is the highest upload speed package we currently have available. As to the answer to your question I am really not sure why there are not specific packages available for those living in buildings with Fibre-to-the-Home. 


It is a great suggestion though and I am hopeful that something will be implemented soon as Fibre Optics is definitely capable of much higher speeds. If new plans do become available it will be posted on the website first. Stay tuned!





I've Been Here Awhile
Posts: 3

Re: Gigabit Speeds

Hi Folks,


It has been a few weeks now with slow download speeds on my Gigabit connection.  CODA-4582 in bridge mode connected to ASUS-N66U since replaced with TP-Link Archer C7 and still getting really slow speeds.  Any help will be appreciated.


Hardware Version1A
Software Version2.0.10.33T3


Downstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDSignal noise ratio (dB)
OFDM Downstream Overview
ReceiverFFT typeSubcarr 0 Frequency(MHz)PLC lockedNCP lockedMDC1 lockedPLC power(dBmv)
Upstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDBandwidth
130596000ATDMA - 64QAM43.75066400000
213696000ATDMA - 64QAM43.50046400000
323700000ATDMA - 64QAM43.75056400000
Channel IndexStatelin Digital AttDigital AttBW (sc's*fft)Report PowerReport Power1_6FFT Size



Resident Expert
Resident Expert
Posts: 968

Re: Gigabit Speeds

lbrasi83 wrote:

Hi Folks,


It has been a few weeks now with slow download speeds on my Gigabit connection.  CODA-4582 in bridge mode connected to ASUS-N66U since replaced with TP-Link Archer C7 and still getting really slow speeds.  Any help will be appreciated.


Hardware Version 1A
Software Version


Downstream Overview
Port ID Frequency (MHz) Modulation Signal strength (dBmV) Channel ID Signal noise ratio (dB)
1 603000000 256QAM 3.900 9 37.636
2 849000000 256QAM 1.700 2 35.780
3 855000000 256QAM 1.600 3 35.780
4 861000000 256QAM 1.400 4 35.780
5 579000000 256QAM 3.700 5 37.636
6 585000000 256QAM 3.900 6 37.636
7 591000000 256QAM 4.100 7 37.636
8 597000000 256QAM 4.100 8 37.636
9 303000000 256QAM 6.200 1 37.636
10 609000000 256QAM 4.000 10 37.636
11 615000000 256QAM 4.200 11 37.356
12 621000000 256QAM 4.300 12 37.636
13 633000000 256QAM 4.500 13 37.636
14 639000000 256QAM 4.700 14 37.636
15 645000000 256QAM 4.800 15 37.356
16 651000000 256QAM 4.800 16 37.356
17 657000000 256QAM 4.800 17 37.636
18 663000000 256QAM 4.700 18 37.636
19 669000000 256QAM 4.700 19 37.636
20 675000000 256QAM 4.900 20 37.356
21 681000000 256QAM 4.700 21 37.636
22 687000000 256QAM 4.600 22 37.356
23 693000000 256QAM 4.600 23 37.356
24 699000000 256QAM 4.900 24 37.356
25 705000000 256QAM 4.400 25 37.356
26 711000000 256QAM 4.200 26 37.356
27 717000000 256QAM 4.200 27 37.356
28 723000000 256QAM 3.800 28 36.610
29 825000000 256QAM 2.100 29 36.387
30 831000000 256QAM 1.900 30 36.387
31 837000000 256QAM 1.700 31 35.780
32 843000000 256QAM 1.700 32 35.780
OFDM Downstream Overview
Receiver FFT type Subcarr 0 Frequency(MHz) PLC locked NCP locked MDC1 locked PLC power(dBmv)
1 4K 275600000 YES YES YES 5.000000
Upstream Overview
Port ID Frequency (MHz) Modulation Signal strength (dBmV) Channel ID Bandwidth
1 30596000 ATDMA - 64QAM 43.750 6 6400000
2 13696000 ATDMA - 64QAM 43.500 4 6400000
3 23700000 ATDMA - 64QAM 43.750 5 6400000
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





Have you tried to run a speed test using a Wired Ethernet connection directly to the modem? Sometimes third party routers if not setup properly could lead to slow speed issues. If the speed is still poor when testing directly wired to the modem, I would suggest calling Rogers and asking them to check if other people on your Node are experiencing slow speeds. It could be caused by congestion on your Node.


I Plan to Stick Around
Posts: 52

Re: Gigabit Speeds

I switched from Bell Fiber 300 to Rogers Gigabit service yesterday. The technician bought me the Hitron CODA modem (firmware; I then put the modem into Bridge Mode and I can no longer access the modem setting...


I have done numerous speed tests. Of interest is that I get about 860Mbps down and about 32Mbps up when I directly connect my laptop to the back of the modem. I then connected to my WiFi (have tried both Google Mesh Router and Asus AC3100) but my wireless speed has significantly decreased to about 630Mbps down and 32Mbps up. I have already done factory resets on both of my routers and they are also running the latest firmware...


Is this normal? 


Your input is much appreciated!





Resident Expert
Resident Expert
Posts: 5,253

Re: Gigabit Speeds

@RNEric to access the modem when its in Bridge mode, use   That address can also be used when the modem is in Gateway mode as well.  To kick the modem back into Gateway mode from Bridge mode, log into the modem using, navigate to the BASIC .... GATEWAY tab and enable the Residential Gateway Function.  When you save the changes the modem will reboot back into Gateway mode with its previous settings intact.  Normally, can be accessed thru a router, but there are cases where the router requires a routing rule to access the modem thru the router.  With the AC3100 you shouldn't have any problems. I run a 68U and 86U and have no problems accessing the modem thru either router.


One point to note, Rogers modems will supply two IPV4 and apparently an unlimited number of IPV6 addresses to devices when the modem is in Bridge mode, so, you can run two separate Dual stack (IPV4 & IPV6) networks off of a bridged Rogers modem.


In the case of the speed tests, when you run them, use the Toronto Rogers or Montreal Rogers servers.  Next choices would be the Toronto Beanfield or Montreal Fibrenoire servers. You should see the same speedtest results from Gateway or Bridge modes.   With the modem in Bridge mode, you should get the same results thru a router using an ethernet connected pc or fast laptop.  Wifi speeds at those rates are another topic altogether.


Note that I indicated that you "should" see the same data rate thru the router.  This will depend on the functions running on the router.  At lower data rates the effect of various functions running on the router throughput won't be seen, but when you move up to 1 Gb/s, that effect becomes more evident.  When you have completed a factory reset on the AC3100, go thru the upper menu items and disable anything and everything except perhaps for the AI Protection.  Then with everything disabled, run a speedtest and see what you end up with.  Check the LAN .... Switch Control tab and ensure that the NAT Acceleration is enabled.  Without NAT Acceleration enabled, you won't see the full data rate thru the router.  There are functions, such as Parental Control, Traditional QOS and others that will kick off the NAT Acceleration, possibly without warning. I believe that URL, Keyword and Network Services filtering also kills the NAT Acceleration.  I'd have to look these up again.  NAT Acceleration basically runs a port to port transmission scheme, external to internal and vice versa without any or little envolvement from the CPU.  Enabling certain functions forces the data to route thru the CPU, so, you lose the fast path through the router and take another througput hit due to the function processing that is required.  So, enabling any function beyond AI Protection really requires a speedtest to determine what effect if any, the function has on the router data rate.  Along those same thoughts, Rogers uses Native IPV6. AI Protection won't do much if anything to the IPV4 data rates, but it will impose a penalty on IPV6 data rates.  I'm assuming that IPV6 packets are all scanned, resulting in a throughput drop.


Ok, for the wifi, I'm not suprised at your results.  The wifi rate will depend on the max wifi rate that the router and device will support and on the number of wifi modems and routers in your area.  The router and device rates will take some homework.  At the end of the day, what needs to be determined is what data rates the router and remote device will support.  The modulation and coding index in the link below shows what data rates any given wifi device will run at.  The spatial streams indicate the number of antenna.  The two columns for 20, 40, 80, 160 Mhz Bandwidths with 800 or 400 nano-second guard channels show the gross data rates that you can expect to see depending on the chosen Bandwidth and what guard channel the devices wifi adapter will run.  So, you can make some generalizations based on the marketing claims of the device manufacturer, but, in some cases, its pretty well impossible to determine what data rates a given device will run at as the manufacturer doesn't release that data.  You would have to find out what wifi adapter is installed by looking at the pc or laptop's device list, then look up the manufacturer's data for the wifi adapter.  So, you end up in a situation where the router supports higher data rates, but, the mobile device doesn't, or vice versa.  It does take homework to match up devices so that you max out the data rates on both the modem/router and mobile device


As for the local interference from other modems and routers, have a look at the following post, specifically the wifi settings and monitoring the wifi environment to determine who else is using the wifi channels in your neighborhood:


Best that you can to is to set the router wifi for WPA-2, AES, 80 or 160 Mhz bandwidth, channel 149 or higher depending on what you see for local competition and see what the remote device will do for data rates.  Fwiw, running an RT-AC86U with competition from both neighbors on both sides of me, the best I can see if 600 Mb/s max on an Asus laptop.  The gaming laptop in the family will probably run faster, but, I haven't had a chance to test it.  So, the mobile device rate will make a considerable difference in the final data rate that you see.  In the above post there is a link to inSSIDer, which is getting old by now.  Its the last freebie version of that application and inSSIDer has since abandoned the home user market.  So, although I prefer inSSIDer, my advice would be to use Acrylic to check out the local wifi competition.


Hope this helps.


Edit:  Are you running stock firmware or Merlin's Asuswrt?  When you were with Bell, what was your upload rate?