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2860n rebooting and ADSL dropouts

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15 Jan 2021 12:43 #98154 by grumpytim
2860n rebooting and ADSL dropouts was created by grumpytim
Dear All

I'm trying to get to the bottom of what is going on with our old 2860 router. Recently it has started rebooting randomly, and the ADSL connection has become very unreliable. I think that the cable from BT to the master socket has developed a fault, it looks about 200 years old.
I've updated the firmware to 3.8.9.8_BT, and changed the ADSL filter but this has made no difference. Our ISP is checking the line but as far as they can see the problems are at 'our' end.

I have two what I hope are simple questions.
1 - Would a 'duff' cable from BT to the master socket cause the 2860 to reboot?
2 - If it's not the cable what else would be causing the router to reboot.

I plan to shorten the cable run to a new master socket over the weekend, I also have a new 2862ac to install just in case it is the router on it's way out.

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15 Jan 2021 13:28 #98155 by hornbyp
Replied by hornbyp on topic Re: 2860n rebooting and ADSL dropouts
If my recent experience is anything to go by, any deterioration in the connection to 'BT' may be visible in the 'Line Stats', available from your ISP.
See: https://forum.draytek.co.uk/viewtopic.php?f=14&t=23952#p98076

(In my case, the connections in the master socket were so corroded, that a pin (for the inter-connecting sections) fell off when I touched it :roll: . The IDC connectors for the incoming line were a little "furry" as well. My temporary repair involved soldering a connection and I had to clean the stripped cable before it would solder. :cry:

Failing that, it could be an actual fault with the 2860 - maybe capacitors that are starting to break down...

Do you have a Router from your ISP? - if so, you could put it into Bridge mode and attach it to the 2860's WAN port. (In this scenario, the 2860 will definitely not 'reboot' in case of a line fault)

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15 Jan 2021 13:49 #98156 by grumpytim
Replied by grumpytim on topic Re: 2860n rebooting and ADSL dropouts
Thanks I've got a new router arriving tomorrow (hopefully) so I'll be swapping out the 2860. If the dropouts stop then we'll know who the culprit was.

If not, hey ho.

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19 Jan 2021 17:14 #98233 by akwe-xavante
Replied by akwe-xavante on topic Re: 2860n rebooting and ADSL dropouts
You can only reliably test a line from the consumers end (Your Home or Office) when your ISP does a test from their end it's a very simple test and results cannot be relied upon.

Ask for an engineers visit, they will say that if the fault is found to be within your property they will be a charge, if the fault is outwardly the visit is free. How confident are you that the fault is outwardly from your BT master socket?

From what you have described i would be confident enough to demand an engineers visit.

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19 Jan 2021 19:06 #98237 by e.ringrose
Replied by e.ringrose on topic Re: 2860n rebooting and ADSL dropouts
Have you tried connecting directly into the BT test socket (under the normal faceplate to eliminate any on site interference)?

Also is your WAN DSL mode set to Auto or locked to VDSL or ADSL. If the line is faulty and the Draytek thinks it's switching between the two this will cause a reboot of the 2860.

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20 Jan 2021 12:38 #98243 by grumpytim
Replied by grumpytim on topic Re: 2860n rebooting and ADSL dropouts
Thanks all - it was the 2860 that was in the process of dying - the new router has been solid now for 48 hours.

I can't really complain the 2860 was quite old.

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