DNS Issues
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- Re: DNS Issues
Re: DNS Issues
25-07-2020 9:58 AM
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Well, its been a while, but it has finally failed again.
Re: DNS Issues
28-07-2020 9:43 AM
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@IanSudbery completely missed this. I'm guessing it's not still in the failed state and has since been rebooted?
Plusnet Hub One> net host bbc.co.uk
Found host bbc.co.uk:
151.101.0.81
151.101.64.81
151.101.128.81
151.101.192.81
Bob Pullen
Plusnet Product Team
If I've been helpful then please give thanks ⤵
Re: DNS Issues
28-07-2020 9:55 AM
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@bobpullen Yeah, our circuit breaker tripped and the router lost power.
Re: DNS Issues
28-07-2020 11:41 AM
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@bobpullen Its gone down again!
Re: DNS Issues
28-07-2020 11:52 AM
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Excellent! (from a diagnostic positioning of course) 😉
I think this safely rules out anything your side of the router...
Plusnet Hub One> net host bbc.co.uk
Gethostbyname failed
Any chance you can leave it broken for the afternoon?
I'd like to see what else we can determine whilst it's in this state.
Bob Pullen
Plusnet Product Team
If I've been helpful then please give thanks ⤵
Re: DNS Issues
28-07-2020 5:08 PM
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@IanSudbery, if you're still keeping tabs on things, would you be able to try generating some traffic on your local network where a device is trying (and failing) to use the hub again for DNS?
We've some logging running and it would be good to get some 'real-life' events captured.
Bob Pullen
Plusnet Product Team
If I've been helpful then please give thanks ⤵
Re: DNS Issues
28-07-2020 6:02 PM
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Will do, sorry, I've been out this afternoon.
Re: DNS Issues
06-08-2020 5:57 PM
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@IanSudbery, pleased to say we managed to get some very useful diagnosis from your hub so thankyou!
We've identified what we believe to be the problem and the team are exploring options.
In the meantime, I have an update that I would like to try pushing to your hub if you are willing? It doesn't fix the issue entirely, but it should help mitigate against the problem. From what I've seen it shoud do a good job of improving response times to/from your router too.
Let me know if you're interested.
Bob Pullen
Plusnet Product Team
If I've been helpful then please give thanks ⤵
Re: DNS Issues
11-08-2020 11:57 AM
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Hi @bobpullen , Sorry fot the delay. we'd be happy for you to push an update.
I'm not networking expert, but I do work in a computer science adjacent field. Perhaps you wouldn't mind letting me know what was causing the problem?
Re: DNS Issues
18-08-2020 1:33 PM
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@IanSudbery thanks, was asked to hold on a week longer but that's now been done for you.
You'll need to reboot the hub, after which you should find you're running a software version ending .284.
Keep an eye on things and let me know if the error condition returns. As mentioned previously, this build doesn't fully fix the issue (assuming we've nailed the cause), however it should make it less likely to manifest itself.
Bob Pullen
Plusnet Product Team
If I've been helpful then please give thanks ⤵
Re: DNS Issues
09-09-2020 11:06 AM
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@IanSudbery how have things been of late?
In way of an update, we've had a bit of a breakthrough on this one and we think we now know what is giving rise to the condition. We're just working through details of the fix.
Bob Pullen
Plusnet Product Team
If I've been helpful then please give thanks ⤵
Re: DNS Issues
09-09-2020 3:16 PM
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Was about to say it was all going well, and then it happened again today. However, that was the first time in ages that it had happened.
Re: DNS Issues
09-09-2020 5:24 PM
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In fact, its not happened twice in one day.
Re: DNS Issues
09-09-2020 9:50 PM
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I'll give you a nudge shortly when I've a full fix available. It would be really helpful for you to help test it if you'd be willing?
Bob Pullen
Plusnet Product Team
If I've been helpful then please give thanks ⤵
Re: DNS Issues
10-09-2020 5:39 PM
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@IanSudbery - is the hub in a failure state again? I have the fix ready to go but I'm struggling to communicate with it. Any chance you can reboot it when it's next convenient?
Bob Pullen
Plusnet Product Team
If I've been helpful then please give thanks ⤵
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