CODA-4582 - Open Issues for Investigation

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I Plan to Stick Around
Posts: 31

Re: CODA-4582 - Open Issues for Investigation

I can confirm that the .24 firmware does indeed work in bridge mode with my Dlink 868L router.  Hopefully it will work with yours as well.  I hope that is helpful.  A factory reset will not revert you to a previous firmware revision.

I Plan to Stick Around
Posts: 31

Re: CODA-4582 - Open Issues for Investigation

I will say that the .24 firmware is definitely excellent and a big step in the right direction, however, I am still having *massive* congestion issues during peak hours.  Last night in the evening I wasn't even able to get 100mbps download speed on *any* of the Speedtest servers.  Just brutal.  Hopefully Rogers can figure this out.  I wasn't having this issue on DOCSIS 3.0, only on DOCSIS 3.1 with the new Coda modem.

I've Been Here Awhile
Posts: 2

Re: CODA-4582 - Open Issues for Investigation

Thank you very much. Understood.
I'm Here A Lot
Posts: 5

Re: CODA-4582 - Open Issues for Investigation

I'm going to be the odd one out and say .24 is a nightmare for me. Nothing but latency / packet loss issues...

 

.19 was much more stable for me.  Pinging 8.8.8.8 starts off nicely under 100 ms (30-60ms usually), then goes to a few hundred ms ping, then into the thousands and times out half the time. Rebooting the modem only fixes it for a few minutes then it re-occurs.

 

I'm going to go swap the modem at the store to roll back as the tech support agents could not push me back to production .19 firmware. 

 

I did try to factory reset it after the .24 got pushed but this didn't seem to do anything. I also tried various ports for the bridge mode and tried it in residential gateway mode, but no dice. I even moved my AP away from the modem into another room and while this seemed to help somewhat it is still problematic.

 

Here is my CODA signal info on .24:

Downstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDSignal noise ratio (dB)
1591000000256QAM-4.6003138.605
2363000000256QAM-5.8001037.356
3369000000256QAM-5.6001137.356
4375000000256QAM-5.9001237.636
5381000000256QAM-6.1001337.636
6387000000256QAM-5.9001437.356
7393000000256QAM-5.9001537.636
8399000000256QAM-5.6001637.636
9405000000256QAM-5.4001737.356
10411000000256QAM-6.1001837.636
11417000000256QAM-5.4001937.636
12423000000256QAM-5.4002038.605
13429000000256QAM-5.3002138.605
14435000000256QAM-5.2002238.605
15441000000256QAM-5.2002338.605
16447000000256QAM-4.8002438.983
20573000000256QAM-5.2002838.605
21579000000256QAM-4.8002938.605
23357000000256QAM-5.900937.636
24597000000256QAM-5.1003238.605
25603000000256QAM-4.5003338.605
26609000000256QAM-5.1003438.983
27615000000256QAM-4.6003538.605
28621000000256QAM-4.1003638.983
29633000000256QAM-3.8003738.983
30639000000256QAM-3.6003838.983
31645000000256QAM-3.6003938.605
32651000000256QAM-3.8004038.605
OFDM Downstream Overview
ReceiverFFT typeSubcarr 0 Frequency(MHz)PLC lockedNCP lockedMDC1 lockedPLC power(dBmv)
0NANANONONONA
1NANANONONONA
Upstream Overview
Port IDFrequency (MHz)ModulationSignal strength (dBmV)Channel IDBandwidth
123700000ATDMA - 64QAM41.50026400000
238595727ATDMA - 64QAM46.75033200000
330596000ATDMA - 64QAM42.75016400000
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

 

I was told DOCSIS 3.1 is available in my area, but my modem lights have only ever been blue, never purple (I believe I saw in this thread somewhere that download should be purple if on 3.1, and blue if on 3.0). I also don't see anything for OFDM on the stats above to confirm DOCSIS 3.1. 

Does anyone have any suggestions for me? I'm going to swap the modem now to get back to .13, then ask for an upgrade to .19 or wait for overnight upgrade.

Cheers

Edit: some PingPlotter info to show you how bad it really is for me....

Target Name: google-public-dns-b.google.com
IP: 8.8.4.4
Date/Time: 2017-02-21 5:07:35 PM - 2017-02-21 5:17:35 PM

Hop Sent PL% Min Max Avg Host Name / [IP]
5 230 0 15.07 2317.57 363.22 pos-0-0.gw01.pr.phub.net.cable.rogers.com [66.185.81.174]
6 230 0 12.08 2283.64 361.23 209.148.230.2 [209.148.230.2]
7 230 0 11.90 2248.83 358.99 72.14.222.87 [72.14.222.87]
8 230 0 9.73 2218.87 356.97 209.85.255.197 [209.85.255.197]
9 230 0 11.20 2182.42 362.07 108.170.234.17 [108.170.234.17]
10 230 0 26.35 2488.39 379.88 google-public-dns-b.google.com [8.8.4.4]

Target Name: www.google.com
IP: 172.217.1.36
Date/Time: 2017-02-21 5:07:26 PM - 2017-02-21 5:17:26 PM

Hop Sent PL% Min Max Avg Host Name / [IP]
5 230 0 9.05 1665.92 355.44 66.185.81.174 [66.185.81.174]
6 230 0 10.77 1633.80 353.44 209.148.230.2 [209.148.230.2]
7 230 100 0 0 0 3021-dgw01.mtnk.rmgt.net.rogers.com [209.148.232.50]
8 230 0 12.37 1669.18 357.42 209.85.242.13 [209.85.242.13]
9 109 1 25.16 1611.25 376.53 216.239.46.162 [216.239.46.162]
10 88 0 24.02 1603.41 374.11 216.239.50.235 [216.239.50.235]
11 183 0 22.62 1487.40 367.06 108.170.243.225 [108.170.243.225]
12 177 0 23.71 1571.08 365.88 216.239.41.163 [216.239.41.163]
13 230 0 22.88 1557.43 360.76 www.google.com [172.217.1.36]

 

Look at this one, 100% Packet Loss....

7 230 100 0 0 0 3021-dgw01.mtnk.rmgt.net.rogers.com [209.148.232.50]

I Plan to Stick Around
Posts: 154

Re: CODA-4582 - Open Issues for Investigation


@notregistering wrote:

I'm going to be the odd one out and say .24 is a nightmare for me. Nothing but latency / packet loss issues...

 

Do you have a black-dot modem? How long ago did you get it?

 

I see missing channels in your listing, might be a problem as well.

 

Pinging www.google.com should be in the low double digits, at least it is for me. I have a constant ping running to google 24/7:

 

Ping statistics for 172.217.1.100:
Packets: Sent = 20440, Received = 20440, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 4ms, Maximum = 182ms, Average = 10ms

 

Pinging 8.8.8.8 comes in the mid 20's for me.

Resident Expert
Resident Expert
Posts: 6,059

Re: CODA-4582 - Open Issues for Investigation

@notregistering I would need to see the whole trace to see the top numbers.  You can delete the 2nd IP if you prefer, or just delete the last figure(s). That's the CMTS.  The first hop is the modem or router, which is an internal address only, so, there's no problem posting that as its only IPV4.  I'd like to know if the problem starts at the CMTS and I can't see that without the top data.  You can always send that to me in a private message.  Click on my name to get to my public page.  On the right is a link to "Send this user a private message"  Follow that link to the message composition page, which will already be addressed.  Add a title and details and hit send.  Watch for a number overlaid on your avatar at the upper right when you're logged into the forum.  Follow that link to the next menus and drill down to the inbox for the response. 

 

If your modem does not have a black dot near the power cord, swap it at the nearest Rogers store and then ask for .24   That should make a considerable difference in the performance. 



I'm Here A Lot
Posts: 5

Re: CODA-4582 - Open Issues for Investigation

I'm not sure if it is black dot, I can't see one so I'm guessing not. I got it beginning of January.

 

Are the signal levels okay? I think they are since between +10 and -10. It is on a splitter but the modem is on the -4 not the -7 and the 4k PVR box works fine.  I can also say this usually was fine on .19 just the speed degredation over time and i'd find 10 Mbps download max until a reboot from time to time. Upload generally was 30-35 when this happens.

 

 

Resident Expert
Resident Expert
Posts: 6,059

Re: CODA-4582 - Open Issues for Investigation

That black dot is pretty obvious, on the modems that have it, that is.  Can't miss it.  Whether your running DOCSIS 3.0 or 3.1, the external wifi interference will be a problem, so, a swap is in order followed by an update to .24 

 

The modem can actually live with low levels, at least in 3.0, not so sure about 3.1 yet, but, the missing channels won't do you any favours. 



Highlighted
I'm Here A Lot
Posts: 5

Re: CODA-4582 - Open Issues for Investigation

Hey Datalink,

 

so I sent you the images of pingplotter so you can see. It's not showing packetloss in that 10min timeframe but you can see where the 100% loss I mentioned is on that one hop.

 

I only tidied up the top to make sure of privacy on the public forums Smiley Wink

 

My 1st/2nd hop you see are my Cisco 3750G switch running that VLAN and then the /31 for Switch to PfSense connection.

 

And I hope to be back up within the hour on a swapped modem and start the process to get to .19 and to .24 (Since I assume @RogersDave will need to push this new firmware to a new MAC address now)

Resident Expert
Resident Expert
Posts: 6,059

Re: CODA-4582 - Open Issues for Investigation

Yup, got it.  One of the mods will have to approve the images before I can actually see them.  @CommunityHelps and Dave will need the MAC address and serial number for the new modem.