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Subject: Re: OT: Ways to figure what causing High Ping Loss that require power cycling cable modem??
From: Roger Heflin <rogerheflin () gmail ! com>
Date: 2023-07-09 21:00:55
Message-ID: CAAMCDecBEkgY=ssKU3xE8RzFduFOEv729hHA_hJ2D=S--2HKEg () mail ! gmail ! com
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I have had a cable modem break from me turning on extra logging and or
statistics that apparently worked badly. Turn off any extras you turned
on. Mine was also having random issues from a zwave transmitter tnat was
really close. The zwave caused errors on 2 of the many different
frequencies on the cable that told me it was not a physical wiring issue
but something else. I found those stats in one of the cable modems pages.
Moving the device a few feet away resolved thay.
On Sun, Jul 9, 2023, 7:50 AM Michael D. Setzer II via users <
users@lists.fedoraproject.org> wrote:
> Island got hit with a Typhoon Cat 3/Cat 4 that caused lots of
> damage to all internet providers. Power at house was out for a
> week. They are still working on lots of issues.
>
> Can figure when issue happens, and power cycle on cable modem
> fixes it. Wonder if there might be some process to find way to
> prevent it from happening or way to have script software reset
> modem. Years ago had way to reboot Surfboard modem, but now
> ISP using Arriss cable modems. Web access has no reboot option?
> Thanks.
>
>
> Usually would only need to reboot cable modem about once a
> month, but over last 6 days, have required reboots average of 7.5
> times a day? 45 total. Similar patterns for prior weeks.
>
> Have script that does 50 pings to local name server, and most of
> time is 0, with some values from 1% to 10%, but often jumps to
> high rates over 80% to 100%. At which point the internet is
> useless. All lights on modem are fine, TV, phone, and 4 Linux
> machines all will report no internet. Traceroute to 8.8.8.8 still
> works, but when no loss takes total of 1.3 seconds
>
> While getting high loss using -n the time goes to 5.6 seconds, and
> without -n takes 2 minutes 13 seconds?
> Hops change of three test changes from 10, 14, and 13.
>
> Summary of time.
> Up Time Hours Days
> 129:29:28 129.4911 5.40 90.76%
> Down Time Hours Days
> 13:15:54 13.2650 0.55 9.24%
>
> Script plays sound when ping rate over 10%, and reset brings
> everything back to normal. But for how long before it returns has
> no pattern that I can find. On some cases if not around to power
> cycle it, it will start working again, but rare. Usually, only power
> cycle fixes it.
>
> ARRIS DOCSIS 3.1 / PacketCable 1.5 Touchstone Telephony
> Modem
> HW_REV: 8
> VENDOR: ARRIS Group, Inc.
> BOOTR: 2.2.23.635901
> SW_REV: 11.02.032.09.03.NCS
> MODEL: TM3402A
>
> Haven't found a way to send software reboot to modem, so only
> physical power cycle works. Seems company was bought by
> another and info from web site has been useless.
>
> Looked at netstat and nstat info before and after outages, but don't
> see anything from the linux side that shows what issue is.
>
> Get the 50+M speedtest results when working.
> Example of a cycle.
> Time and percentage of ping loss
> 2023-07-09 06:27:00 88
> 2023-07-09 06:30:00 76
> 2023-07-09 06:33:00 84
> 2023-07-09 06:36:00 84
> 2023-07-09 06:39:00 82
> 2023-07-09 06:42:00 78
> 2023-07-09 06:44:00 78
> 2023-07-09 06:47:00 84
> 2023-07-09 06:50:00 90
> 2023-07-09 06:53:00 82
> 2023-07-09 06:56:00 82
> 2023-07-09 06:59:00 92
> 2023-07-09 07:01:00 72
> 2023-07-09 07:04:00 82
> 2023-07-09 07:07:00 82
> 2023-07-09 07:10:00 80
> Power Cycle modem makes access to 192.168.100.1 fail till about
> 3 to 4 minute reboot time.
> 2023-07-09 07:12:00 100 Cable Modem not accessible
> Reports when ping rate goes back to normal.
> 2023-07-09 07:16:00 0 UP
>
>
> +------------------------------------------------------------+
> Michael D. Setzer II - Computer Science Instructor (Retired)
> mailto:mikes@guam.net
> mailto:msetzerii@gmail.com
> Guam - Where America's Day Begins
> G4L Disk Imaging Project maintainer
> http://sourceforge.net/projects/g4l/
> +------------------------------------------------------------+
>
>
> _______________________________________________
> users mailing list -- users@lists.fedoraproject.org
> To unsubscribe send an email to users-leave@lists.fedoraproject.org
> Fedora Code of Conduct:
> https://docs.fedoraproject.org/en-US/project/code-of-conduct/
> List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines
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>
[Attachment #5 (text/html)]
<div dir="auto">I have had a cable modem break from me turning on extra logging and \
or statistics that apparently worked badly. Turn off any extras you turned on. \
Mine was also having random issues from a zwave transmitter tnat was really close. \
The zwave caused errors on 2 of the many different frequencies on the cable that told \
me it was not a physical wiring issue but something else. I found those stats in \
one of the cable modems pages. Moving the device a few feet away resolved \
thay.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Jul \
9, 2023, 7:50 AM Michael D. Setzer II via users <<a \
href="mailto:users@lists.fedoraproject.org">users@lists.fedoraproject.org</a>> \
wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 \
.8ex;border-left:1px #ccc solid;padding-left:1ex">Island got hit with a Typhoon Cat \
3/Cat 4 that caused lots of <br> damage to all internet providers. Power at house was \
out for a <br> week. They are still working on lots of issues.<br>
<br>
Can figure when issue happens, and power cycle on cable modem <br>
fixes it. Wonder if there might be some process to find way to <br>
prevent it from happening or way to have script software reset <br>
modem. Years ago had way to reboot Surfboard modem, but now <br>
ISP using Arriss cable modems. Web access has no reboot option?<br>
Thanks.<br>
<br>
<br>
Usually would only need to reboot cable modem about once a <br>
month, but over last 6 days, have required reboots average of 7.5 <br>
times a day? 45 total. Similar patterns for prior weeks.<br>
<br>
Have script that does 50 pings to local name server, and most of <br>
time is 0, with some values from 1% to 10%, but often jumps to <br>
high rates over 80% to 100%. At which point the internet is <br>
useless. All lights on modem are fine, TV, phone, and 4 Linux <br>
machines all will report no internet. Traceroute to 8.8.8.8 still <br>
works, but when no loss takes total of 1.3 seconds<br>
<br>
While getting high loss using -n the time goes to 5.6 seconds, and <br>
without -n takes 2 minutes 13 seconds?<br>
Hops change of three test changes from 10, 14, and 13.<br>
<br>
Summary of time.<br>
Up Time Hours Days <br>
129:29:28 129.4911 5.40 90.76%<br>
Down Time Hours Days <br>
13:15:54 13.2650 0.55 9.24%<br>
<br>
Script plays sound when ping rate over 10%, and reset brings <br>
everything back to normal. But for how long before it returns has <br>
no pattern that I can find. On some cases if not around to power <br>
cycle it, it will start working again, but rare. Usually, only power <br>
cycle fixes it.<br>
<br>
ARRIS DOCSIS 3.1 / PacketCable 1.5 Touchstone Telephony <br>
Modem<br>
HW_REV: 8<br>
VENDOR: ARRIS Group, Inc.<br>
BOOTR: 2.2.23.635901<br>
SW_REV: 11.02.032.09.03.NCS<br>
MODEL: TM3402A<br>
<br>
Haven't found a way to send software reboot to modem, so only <br>
physical power cycle works. Seems company was bought by <br>
another and info from web site has been useless. <br>
<br>
Looked at netstat and nstat info before and after outages, but don't <br>
see anything from the linux side that shows what issue is.<br>
<br>
Get the 50+M speedtest results when working.<br>
Example of a cycle.<br>
Time and percentage of ping loss<br>
2023-07-09 06:27:00 88<br>
2023-07-09 06:30:00 76<br>
2023-07-09 06:33:00 84<br>
2023-07-09 06:36:00 84<br>
2023-07-09 06:39:00 82<br>
2023-07-09 06:42:00 78<br>
2023-07-09 06:44:00 78<br>
2023-07-09 06:47:00 84<br>
2023-07-09 06:50:00 90<br>
2023-07-09 06:53:00 82<br>
2023-07-09 06:56:00 82<br>
2023-07-09 06:59:00 92<br>
2023-07-09 07:01:00 72<br>
2023-07-09 07:04:00 82<br>
2023-07-09 07:07:00 82<br>
2023-07-09 07:10:00 80<br>
Power Cycle modem makes access to 192.168.100.1 fail till about <br>
3 to 4 minute reboot time.<br>
2023-07-09 07:12:00 100 Cable Modem not accessible<br>
Reports when ping rate goes back to normal.<br>
2023-07-09 07:16:00 0 UP<br>
<br>
<br>
+------------------------------------------------------------+<br>
Michael D. Setzer II - Computer Science Instructor (Retired) <br>
mailto:<a href="mailto:mikes@guam.net" target="_blank" \
rel="noreferrer">mikes@guam.net</a> <br> \
mailto:<a href="mailto:msetzerii@gmail.com" target="_blank" \
rel="noreferrer">msetzerii@gmail.com</a><br> Guam - Where America's Day Begins \
<br> G4L Disk Imaging Project maintainer <br>
<a href="http://sourceforge.net/projects/g4l/" rel="noreferrer noreferrer" \
target="_blank">http://sourceforge.net/projects/g4l/</a><br> \
+------------------------------------------------------------+<br> <br>
<br>
_______________________________________________<br>
users mailing list -- <a href="mailto:users@lists.fedoraproject.org" target="_blank" \
rel="noreferrer">users@lists.fedoraproject.org</a><br> To unsubscribe send an email \
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rel="noreferrer">users-leave@lists.fedoraproject.org</a><br> Fedora Code of Conduct: \
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rel="noreferrer noreferrer" \
target="_blank">https://docs.fedoraproject.org/en-US/project/code-of-conduct/</a><br> \
List Guidelines: <a href="https://fedoraproject.org/wiki/Mailing_list_guidelines" \
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Archives: <a href="https://lists.fedoraproject.org/archives/list/users@lists.fedoraproject.org" \
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Do not reply to spam, report it: <a \
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</blockquote></div>
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