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Author Topic: Strange problem with VMG3925-B10B  (Read 1891 times)

bobis

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Strange problem with VMG3925-B10B
« on: September 27, 2017, 03:55:01 PM »

When I power off and power on the device OR reboot it, the internet led will become green for a moment and then red and it stays there, UNTILL i issue a "adsl configure --snr xx" command from its ssh/telnet. Then , it goes green and all ok.

Why this behavior? 
« Last Edit: September 28, 2017, 07:34:37 AM by bobis »
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JGO

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Re: Strange problem with VMG3925-B10B
« Reply #1 on: September 27, 2017, 04:51:58 PM »

Do the instructions say it should work that way ?
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broadstairs

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Re: Strange problem with VMG3925-B10B
« Reply #2 on: September 27, 2017, 05:37:27 PM »

I must say mine does NOT do that if I power cycle it using the power button.

Stuart
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j0hn

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Re: Strange problem with VMG3925-B10B
« Reply #3 on: September 27, 2017, 06:21:04 PM »

Has it always had this behaviour?
Have you tried restoring the default config or doing a factory reset.

I would guess that previous use of this command has broken something. Does anything show in the logs?
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bobis

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Re: Strange problem with VMG3925-B10B
« Reply #4 on: September 28, 2017, 07:14:20 AM »

Has it always had this behaviour?
Have you tried restoring the default config or doing a factory reset.

I would guess that previous use of this command has broken something. Does anything show in the logs?

Yeah, it still does this after a factory reset.

I will try to wait for 30 minutes and see if the internet LED will ever turn to green without issuing an "adsl configure --snr xx" command.


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EDIT: Well ,it still behaves like this and it's unnacceptable but I found a solution which may be considered a workaround, because not anyone can do this (unless they own a server, a NAS or other small device like router or AP with linux , working nearly 24/7 on their local network).

I have created a watchdog script on my linux headless server that sends this exact adsl command to the router every 2 minutes, succesfully restoring the internet, only if it (the server) can't ping 8.8.8.8.
« Last Edit: September 28, 2017, 07:44:41 AM by bobis »
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anything