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[Black Sheep]

Hi

ALL DSLAM's are constantly auto-monitored for their current standing, with a range of 'states' from Major incident, to AC Power Fail to Flapping .... and another 8 status's in between.

Currently, across the whole of the suite of DSLAM's there are only 10 showing as AC Power Fail, with 3 of those already in attendance by OR guys. The dwell times are incredibly tight as you might imagine where power is concerned.

B*Cat summarised j0hn's question up perfectly well, the side-pod is indeed fed via a combined fibre/power cable to the main DSLAM itself.

[burakkucat]

For info, we live in a residential area of Weymouth.

Do you know the cabinet number through which your service is provided? If yes, and you are willing to share the information, then its status could be checked . . .

If you do not know, then try using the Magenta Systems "CodeLook" web-site.

[Alex Atkin UK]

Router uptime should almost certainly be accurate, not known any OS not monitors its own uptime as a standard core function of the OS itself.

Especially if the uptime is only slightly longer than the sync time it would indeed suggest its rebooting.

If its not coming straight back up, I wonder if something is going wrong in the PSU and its cutting out completely with an unusually long reset time before it starts outputting voltage again?

One thing to not is if the router uptime is a lot longer than the sync time, so we know its booted but not gotten sync.

Another possibility is if you are using DDNS rather than a static IP address, that could cause a delay getting back into the VPN if DNS has not updated yet for the new IP address.

[Psimpson144]

All

Many thanks for the above thoughtful suggestions. However .... to close this thread off ...

As I think I mentioned, I was out of the country when these issues started, and indeed they started May time. Since being back at home, I've had a chance to look at the issue from this end. TalkTalk were unable to diagnose an issue with their line tests.

It appears that TT issued a firmware update in May, and I believe this was the start of my disconnection errors. Despite being out of the county, guests at the property were able to cycle the power on the router, however this had no long lasting effect.

To cut straight to the chase (and omitting a wasted days worth of diagnostics), I performed a factory reset on the modem/router and manually reconfigured my port forwarding rules, new SSID etc and hey presto - NO MORE DISCONNECTS.

So it looks as if the new firmware and my configuration caused some form of corruption in the device which a full reset resolved.

I'm still switching to a new ISP though !!

Paul

[burakkucat]

Thank you for the update. I'm pleased to know that the problem has now been resolved.

A firmware update can leave a device in an unstable state and a hard-reset can often be the cure. Just as you discovered.

[neil]

I have faced the issue of dslam shutting down after 6-8 hours of no electricity and fault in local grid station. Internet disconnected and phone dead too. Usually, ISP installs a backup generator to power the MSAG.