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Author Topic: VMG8924-B10a disable TR-069  (Read 21960 times)

tubaman

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Re: VMG8924-B10a disable TR-069
« Reply #45 on: December 21, 2016, 07:56:23 AM »

J0hn,

Thanks - I'll give this a go when I get a chance.
Did you run the "save_default_clean" through the admin user, as the supervisor user has been mentioned previously but I can't access that?
Also, do the extra menus persist after a power off when using your method?
 :)
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BT FTTC 80/20 Huawei Cab - Zyxel VMG8924-B10A

tubaman

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Re: VMG8924-B10a disable TR-069
« Reply #46 on: December 21, 2016, 10:20:32 AM »

I've just given J0hn's steps a go but no joy unfortunately  :(
I suspect that clearing the ROMD via the admin user is not doing the whole job.
I think I just need that supervisor password.
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lloyd

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Re: VMG8924-B10a disable TR-069
« Reply #47 on: December 21, 2016, 01:02:58 PM »

I just did this on a 2nd Zyxel, and it didn't work 1st time like my main unit.
i had to follow these steps:

1) upgrade to latest v15 firmware
2) restore default settings from within the GUI
3) open telnet and run the command "save_default clean"
after clearing the romd from telnet do not power off the modem. if i reboot at this point it wouldn't work
4) insert a paperclip into the reset hole for around 10 seconds, or until the lights go out and the unit starts to reboot

all menus should now appear, including voip/tr-069/tr-064
hope this helps anyone

Can you confirm that these were ISP supplied 8924s?
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burakkucat

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Re: VMG8924-B10a disable TR-069
« Reply #48 on: December 21, 2016, 04:14:24 PM »

I suspect that clearing the ROMD via the admin user is not doing the whole job.

Here's a quick method of checking if the ROM-D has been cleared --
  • Login as admin
  • At the busybox shell prompt, issue the command hexdump -C /dev/mtdblock3
If the following is displayed, then the ROM-D has been cleared --

Code: [Select]
$ hexdump -C /dev/mtdblock3
00000000  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
*
00100000
$

Please note that the above is a valid method for the VMG1312-B10D but I also expect it to work on other ZyXEL VMGxxxx devices.
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tubaman

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Re: VMG8924-B10a disable TR-069
« Reply #49 on: December 21, 2016, 04:56:51 PM »

That gives the error - "hexdump: /dev/mtdblock3: No such device or address"
I can see mtdblock3 in the /dev directory but can't do anything with it.
 :(
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burakkucat

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Re: VMG8924-B10a disable TR-069
« Reply #50 on: December 21, 2016, 05:50:45 PM »

That gives the error - "hexdump: /dev/mtdblock3: No such device or address"
I can see mtdblock3 in the /dev directory but can't do anything with it.
 :(

So you can see the existence of the device node (/dev/mtdblock3) but do not have any utility available to check its contents. Hmm . . .  :-\

Does your ZyXEL VMGxxxx device have the cat utility available? Try cat /etc/passwd and see what is displayed. If there is no error, you could try cat /dev/mtdblock3 and see what is produced.

Note: On ZyXEL VMGxxxx devices, the contents of the /dev/mtdblock3 node is predominantly ASCII (or UTF-8), with just a few binary characters at the beginning. So it would be reasonable to invoke a cat of the device.

If the ROM-D has not been cleared, you will see a mass of readable ASCII (or UTF-8) text displayed.

If the ROM-D has been cleared, you will see something like that shown in the following attachment --
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tubaman

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Re: VMG8924-B10a disable TR-069
« Reply #51 on: December 21, 2016, 06:33:16 PM »

That errors too - see the attached screenshot which shows the error and the existence of mtdblock3.
'Cat' works fine on files but clearly this is something else.
 ???
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burakkucat

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Re: VMG8924-B10a disable TR-069
« Reply #52 on: December 21, 2016, 06:50:30 PM »

Then I'm all out of suggestions and therefore, perhaps, best that I stop this hi-jack of lloyd's thread.  :-X
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tubaman

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Re: VMG8924-B10a disable TR-069
« Reply #53 on: December 21, 2016, 06:56:29 PM »

That's a fair one burakkucat!
I'll desist on this one too.
 :blush:
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BT FTTC 80/20 Huawei Cab - Zyxel VMG8924-B10A

lloyd

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Re: VMG8924-B10a disable TR-069
« Reply #54 on: December 21, 2016, 07:00:25 PM »

Then I'm all out of suggestions and therefore, perhaps, best that I stop this hi-jack of lloyd's thread.  :-X
Don't stop on my account guys.  Although I'm sorted, I'm still intrigued to see where this ends up.
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lloyd

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Re: VMG8924-B10a disable TR-069
« Reply #55 on: December 21, 2016, 07:15:49 PM »


I think I just need that supervisor password.

Just a thought.  Has anyone tried logging into the cli with admin, entering busybox and then changing the supervisor password  (passwd supervisor)?
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tubaman

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Re: VMG8924-B10a disable TR-069
« Reply #56 on: December 21, 2016, 07:25:09 PM »

Just a thought.  Has anyone tried logging into the cli with admin, entering busybox and then changing the supervisor password  (passwd supervisor)?

Hi lloyd,
Yes, I tried that earlier - sorry I should have mentioned it.
It goes through the motions and says that the password has been changed but I still can't log in with it (not to the CLI or the GUI).
It's a real mystery.
 ???
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BT FTTC 80/20 Huawei Cab - Zyxel VMG8924-B10A

lloyd

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Re: VMG8924-B10a disable TR-069
« Reply #57 on: December 21, 2016, 07:38:08 PM »

I assume you have the same info in /etc/image_version - 4126BVMG8924-B10A2101150    ?
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tubaman

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Re: VMG8924-B10a disable TR-069
« Reply #58 on: December 21, 2016, 07:44:41 PM »

I assume you have the same info in /etc/image_version - 4126BVMG8924-B10A2101150    ?

Yes, the exact same.

It's not the end of the world as this router loves my line (or is it the other way around?) but it'd be nice to have some more settings to fiddle with. >:D
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burakkucat

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Re: VMG8924-B10a disable TR-069
« Reply #59 on: December 21, 2016, 08:43:56 PM »

Don't stop on my account guys.  Although I'm sorted, I'm still intrigued to see where this ends up.

I was just trying to confirm whether or not tubaman had successfully cleared the ROM-D of his VMGxxxx device.  :)

Working with only my knowledge of a VMG1312-B10D, I was fumbling about almost blindfolded.
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