Bandwidth Monitor monthly, daily usage lost when power off

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missblack
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PostPosted: Fri Apr 02, 2021 14:10    Post subject: Bandwidth Monitor monthly, daily usage lost when power off Reply with quote
When I check the router Bandwidth Monitor monthly usage, Daily usage lost power off.

So, should I make the router has an hourly restart or any idea how to keep the daily usage or auto-save it in case the power switched off?
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kernel-panic69
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PostPosted: Fri Apr 02, 2021 14:28    Post subject: Reply with quote
That information is written to RAM, it does not survive a reboot or power cycle AFAIK.

https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=1051964

https://www.howtogeek.com/222740/how-to-the-monitor-the-bandwidth-and-data-usage-of-individual-devices-on-your-network/
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blkt
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PostPosted: Fri Apr 02, 2021 15:00    Post subject: Reply with quote
Save the traffic log data to NVRAM more often?
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missblack
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PostPosted: Fri Apr 02, 2021 19:17    Post subject: Reply with quote
kernel-panic69 wrote:
That information is written to RAM, it does not survive a reboot or power cycle AFAIK.

https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=1051964

https://www.howtogeek.com/222740/how-to-the-monitor-the-bandwidth-and-data-usage-of-individual-devices-on-your-network/


I do not want to monitor each device, Only the total monthly traffic that I am looking for, to know how much bandwidth has been used.

But I see traffic from days ago, it lost only when the power off the electricity of the device only.

but still can see a few days usage of the bandwidth normally so it will not be lost if I reboot, the issue only with power off that I lost the last data.
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missblack
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PostPosted: Fri Apr 02, 2021 19:25    Post subject: Reply with quote
blkt wrote:
Save the traffic log data to NVRAM more often?


I am not sure I understand scripting

but does this solve it?
Code:
nvram commit


How?

In Additional Cron Jobs maybe?
Code:
0 * * * * nvram commit


Is it correct?
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blkt
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PostPosted: Fri Apr 02, 2021 20:26    Post subject: Reply with quote
nvram commit is correct as ttraffd does once a day at 23:59, but ensure time zone is set and time is synced.

https://svn.dd-wrt.com//browser/src/router/rc/ttraff.c

A reboot command automatically commits nvram, or you can manually run nvram commit before power off.
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missblack
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PostPosted: Fri Apr 02, 2021 20:52    Post subject: Reply with quote
blkt wrote:
nvram commit is correct as ttraffd does once a day at 23:59, but ensure time zone is set and time is synced.

https://svn.dd-wrt.com//browser/src/router/rc/ttraff.c

A reboot command automatically commits nvram, or you can manually run nvram commit before power off.


So, I can't add to Additional Cron Jobs

Like this :
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blkt
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PostPosted: Fri Apr 02, 2021 21:01    Post subject: Reply with quote
I'm not saying what you can or cannot do, but I personally would not automate nvram commit every hour.

Maybe consider an external bandwidth monitoring solution, ttraffd is the first thing I disable on my routers.

There is also this, though no longer developed. YAMon 3.4 - usage monitoring for your router
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missblack
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PostPosted: Fri Apr 02, 2021 21:17    Post subject: Reply with quote
blkt wrote:
ttraffd is the first thing I disable on my routers.

Yes, but why you disable it, I found it useful.
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blkt
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PostPosted: Fri Apr 02, 2021 21:24    Post subject: Reply with quote
I would consider it if logging more than the most basic information and with ability to store data externally.
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