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[roseway]

@roseway, if I'd been up earlier I would have told you that its most likely you are being moved over to Plusnets new network.

Migration to WBMC Dedicated involves a cease of WBMC shared product and re-provide on to their new platform.

Plusnet will sometimes do bulk requests which is why there may not be anything specific about it that the live support agent could see.
When they first started moving people across, it triggered automated re-provide emails to be sent out to the EU, which obviously alarmed some people, so they have now stopped that.

Mine was done a couple of months ago.  Down time was about 5 mins just shortly after midnight.
If you have a dynamic IP, you will likely find it will become a bit more sticky or you will pick up an IP in a very similar range.

As Kitz said, this is the explanation for the reported cease order on my connection which slightly concerned me. It's been done, and User Tools "Which gateway" checker reports:

Which gateway Sorry, the tool failed to identify your gateway; this does not mean that anything is wrong with your connection.
Posting the following information as a reply to the Gateway Checker Update topic in the Community Announcements forum will help us to diagnose the problem.
 

• core2-hu0-18-0-0.colindale.ukcore.bt.net (62.172.103.16)  5.111 ms
• *
• *

I'm not going to bother to check the "problem" because it isn't one. The latency is one to make a gamer a little envious

eric@nuthatch:~$ ping bbc.co.uk
PING bbc.co.uk (212.58.244.23) 56(84) bytes of data.
64 bytes from bbc.co.uk (212.58.244.23): icmp_seq=1 ttl=53 time=9.20 ms
64 bytes from bbc.co.uk (212.58.244.23): icmp_seq=2 ttl=53 time=8.53 ms
64 bytes from bbc.co.uk (212.58.244.23): icmp_seq=3 ttl=53 time=8.51 ms
64 bytes from bbc.co.uk (212.58.244.23): icmp_seq=4 ttl=53 time=8.53 ms
64 bytes from bbc.co.uk (212.58.244.23): icmp_seq=5 ttl=53 time=8.48 ms
64 bytes from bbc.co.uk (212.58.244.23): icmp_seq=6 ttl=53 time=8.44 ms
64 bytes from bbc.co.uk (212.58.244.23): icmp_seq=7 ttl=53 time=8.45 ms
^C
--- bbc.co.uk ping statistics ---
7 packets transmitted, 7 received, 0% packet loss, time 6009ms
rtt min/avg/max/mdev = 8.444/8.596/9.205/0.255 ms

[kitz]

Glad that it all went smoothly
Very nice latency 

I guess you will have been tucked up in bed when the migration occurred.  I cant remember now if I lost sync - I dont recall it, but I know I lost PPP for about 5 mins.   I only noticed that because I was using my connection at the time and went to check if the router was ok, by which time it had come back up.

Actually I just went to MDWS and it's showing your connection has been down since 00:42. 

[burakkucat]

I cant remember now if I lost sync - I dont recall it, but I know I lost PPP for about 5 mins.

I cannot see any logical reason why there should be a loss of synchronism between the active devices at either end of the VDSL2 circuit. After all, the xTU-C is the Openreach cabinet based DSLAM and the xTU-R is the EU's modem (or modem/router).

The PPPoE session, most definitely, would have to be terminated and then restarted.

[Edited to correct a typo.]

[roseway]

My connection did drop at that time this morning, but I think it's unrelated - the Plusnet shift took place yesterday. For about 60 days my connection held up with a downstream SNRM of around 2 dB, and I suspect that the low SNRM finally did for it this morning.

However, something strange has happened - I can't contact MDWS. I've only just noticed this and thought that MDWS was down, but it isn't. I don't know what the cause is at the moment.

[burakkucat]

However, something strange has happened - I can't contact MDWS. I've only just noticed this and thought that MDWS was down, but it isn't. I don't know what the cause is at the moment.

How odd. 

Is that both by name and by IPv4 address?

[roseway]

It's both. Tony has given me a hint that Plusnet have some US registered IP addresses, and I've got one of those. I'm going to try a bit of gateway hopping.

[burakkucat]

Ah, yes. I have noticed that Plusnet do have some "US addresses".

What I cannot understand is why having one such an address stops you from accessing MDWS. 

[roseway]

I don't entirely understand that either, but at any rate I've successfully hopped to a different gateway, and I'm in touch with MDWS again.

Thanks for the interest.

[tbailey2]

Ah, yes. I have noticed that Plusnet do have some "US addresses".

What I cannot understand is why having one such an address stops you from accessing MDWS. 

Because it was within a wider IP  subnet (in California) that had been auto blocked by an MDWS mail server utility due to multiple hack attempts. I've allowed the Plusnet allocation subnet through now.
Why are Plusnet apparently routeing you through California    There is a mention of 'reassigned' in the WHOIS so maybe it isn't actually using that route? Your latency would be terrible if it was 150-170ms or so looking at my VPN.

[roseway]

That's a good point. My latency to the BBC was (and still is) less than 10 ms, so it can't really be going through California.

[WWWombat]

In the recent presentation to UKNOF, B4RN said they'd had to purchase a couple of blocks of IP addresses. I guess, as we've run out, there is a need to buy blocks from wherever you can, and profits to be made.

[burakkucat]

Slightly off topic but also slightly relevant!

Some years ago, TalkTalk started using a block of 2.X.Y.Z IPv4 addresses which had been allocated "elsewhere". When I got one of those addresses a lot of things "stopped working". I checked that it was a known issue and having read the explanation, just dropped the xDSL link (repeatedly, when necessary) until I was assigned a non-2.X.Y.Z address. Fortunately I already had had the DLM disabled for my circuit, so the multiple resynchronisation events were of no significance.

I don't think I have ever owned a modem/router that has allowed me to just drop the PPP session.

[digitalis]

Draytek allow you to drop PPP, fyi

[burakkucat]

Draytek allow you to drop PPP, fyi

Duly noted. Thank you.

[Icaraa]

It's both. Tony has given me a hint that Plusnet have some US registered IP addresses, and I've got one of those. I'm going to try a bit of gateway hopping.

I think the US addresses come from BT Global Services, California. Plusnet or BT Consumer usually request the transfer of registration as soon as they start using them. But this can take a while. The connection definitely won't in any way be going via the US.

I've seen on another forum there's a speed test from what looks like a BT Consumer g.fast connection, but the IP address traces back to BT Global Services, California. Same thing.