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Had terrible experience with BT FTTP so far. Had it installed in parallel with FTTC still working, run for a week, then switched off FTTC and the next day FTTP started to have issues as well. Red light on ONT. Comes back green early morning for may be 30 min and then red the rest of the day, sometime red for days in a row. OR came and fully rewired from pole to house twice. Now awaiting some "specialist team" action. Already been 10 days since this started.
Did anyone have any experience with the same kind of fault? I google it and the only mentioning I could find is about borked roll out in terms of capacity as they might have switched someone on after a week I had it and now there is not enough signal strength for everyone...
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The red (LOS) light on the ONT indicates there is a problem on the optical network. The fault may be further up the network from where your connection meets the pole. Openreach will need to investigate and resolve.
In the meantime remind / get BT to acknowledge that they owe you compensation for each day, after 2 working days, that the fault remains unresolved. This comes under the Ofcom automatic broadband compensation scheme:
https://www.ofcom.org.uk/phones-telecoms-and-interne...
Good luck.
Edited by Pheasant (Tue 09-Nov-21 10:11:48)
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Business or Residential?
If you are a BT Business customer you should or could have 4G Assure. If you don't pester BT to supply a dongle FoC so you will at least keep connectivity.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
M H C
taurus excreta cerebrum vincit
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Register (or login) on our website and you will not see this ad.
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Yeah I'm aware of daily compensation (~£8), but that obviously doesn't help with getting back online for now.
Its a residential service, without Halo addon, so they point blank refused to send me mini hub to keep me going. They did offer upgrade to Halo and then to send me a mini hub, but the cost of that over 24 month contract is much more than if I set it up manually (I have a Huawei 4g travel adapter already).
Last few days I was experimenting with SIMs from all networks and native EE gives me the best speeds, but their unlimited tariff is very expensive (but I think I already can cover a month of usage by compensation money when they come). My regular work-from-home usage (without evening TV streaming) is about 5-10Gb/day, so unlimited is the only option...
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You need to get back to them and remond them that their service is failing. You don't want the Halo option, just basic service and they can achieve that by sending a business hub and 4g dongle. If no joy, escalate it to teh team leader or if that fails further up the BT chain.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
M H C
taurus excreta cerebrum vincit
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I've spoken to quite a few people/teams (including complains team that phones me up every couple of days) over the last 10 days and apart from being sorry they do not offer any other solutions. I'm opened to suggestion of how to reach the next level for complains...
What's more - they do not seem to have a way of contacting OR if they still getting updates from them as "we are still working on it, next update in 2 days".
Edited by someuser08 (Tue 09-Nov-21 12:14:06)
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Just wanted to share this - the saga goes on, the fibre is down for over three week now with no resolution in sight. Last couple of engineers told me there is nothing wrong with the cabling around the house or the street, so likely in the exchange. When they ask to reboot CBT it comes back up for anywhere from 5 to 60 min and then everything goes dead again. I was told those engineers can't touch anything in the exchange (or whatever they use to provide FTTP), so different set of people need to sort it out.
BT's support has just one answer - we are booking an engineer (4th one now), although this time they said its not Openreach, but BTWholesale one as BTW owns the equipment in the exchange... Is this true or some other BS from them?
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BT's support has just one answer - we are booking an engineer (4th one now), although this time they said its not Openreach, but BTWholesale one as BTW owns the equipment in the exchange... Is this true or some other BS from them?
Openreach own the OLT's.
Anything resulting in the PON light going red is the responsibility of Openreach.
BT Wholesale are responsible for the backhaul, beyond the OLT.
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Ultimately it's your service provider that is responsible for your service - that is BT Retail - so you need to escalate to the highest level there. Don't be fobbed off.
On a practical note - from the symptoms described this sounds like a base level physical / optical network issue (why the LOS light is red). This is ultimately the same as the wires that make up a copper broadband service, so is actually the responsibility of Openreach to ensure that the basic connection is stable.
However as said, your 'throat to choke' on this is BT (Retail).
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I thought so, but going give them one last chance to try to fix this tomorrow (no expecting anyone to come to the property this time - I was explicitly given assurance its not the same type of engineer that came previously).
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When they ask to reboot CBT it comes back up for anywhere from 5 to 60 min and then everything goes dead again.
A CBT is completely passive, it cannot be rebooted.
Did you mean reboot the ONT, i.e. the little box inside your house where the fibre terminates? I doubt they have been rebooting the OLT (the active equipment in the exchange) - that would affect hundreds or thousands of users.
If rebooting your ONT fixes it, then either the ONT is bad (in which case they'll swap it) or the light levels are borderline (but they'll be able to measure those). Or else it's something very funky, like spikes on the mains power, but that is highly unlikely.
Keep chasing your service provider. Make sure you get the daily compensation - use it to buy a 4G unlimited SIM. Escalate to Openreach CEO would probably be your next step.
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When they ask to reboot CBT it comes back up for anywhere from 5 to 60 min and then everything goes dead again.
A CBT is completely passive, it cannot be rebooted.
Did you mean reboot the ONT, i.e. the little box inside your house where the fibre terminates? I doubt they have been rebooting the OLT (the active equipment in the exchange) - that would affect hundreds or thousands of users.
I'm sure its something to do with OLT (ONT can be rebooted to no avail, doesn't affect a thing) whether full thing or specific port is reset. An engineer mentioned that software can power signal to specific CBT(s) if it detects something faulty. That's why it comes back up from time to time. They checked it on the pole - no signal was there...
I'm also sure I'm the only connection on the CBT and the rollout is still ongoing on nearby streets, so its very new install altogether, so there can't be many users yet on it...
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When they ask to reboot CBT it comes back up for anywhere from 5 to 60 min and then everything goes dead again.
A CBT is completely passive, it cannot be rebooted.
Did you mean reboot the ONT, i.e. the little box inside your house where the fibre terminates? I doubt they have been rebooting the OLT (the active equipment in the exchange) - that would affect hundreds or thousands of users.
I'm sure its something to do with OLT (ONT can be rebooted to no avail, doesn't affect a thing) whether full thing or specific port is reset. An engineer mentioned that software can power signal to specific CBT(s) if it detects something faulty. That's why it comes back up from time to time. They checked it on the pole - no signal was there...
I'm also sure I'm the only connection on the CBT and the rollout is still ongoing on nearby streets, so its very new install altogether, so there can't be many users yet on it...
No that's not correct.
At the exchange the OLT (really just a very large Layer 2/3 switch) is a chassis with a series of active cards installed. Each of these cards has a series of optical ports (typically 8 or 12-way). Each of the optical ports then drives up to 32 end-user devices (the ONTs) on a Passive Optical Network or PON.
As the individual strand of fibre for a given PON leaves the exchange (amongst hundred of other similar fibre strands that make up a fibre spine cable) the fibre runs to an Aggregation Node where it is spliced to another strand of fibre in another cable that runs to a Splitter Node. This is where the (completely passive) optical splitters are located and the light from that one fibre from the exchange is split 32 ways - dividing the one strand of fibre and its light into each of 32 separate outputs. Each output at the splitter represents a single customer connection going to an ONT at the customer premises.
From the Splitter Node the fibre outputs are then connected to a sequential series of CBT's (connectorised block terminals). As the name suggests these are simply environmentally hardened terminal units that the drop fibre connection to an an individual property is connected to and thence to an ONT in the premises. These are located locally to the properties served, typically on top of poles or underground in chambers (depending on howe FTTP is reticulated in that area) and typically are sized as 4-way, 8-way or 12-way devices. The CBT is just a chunk of plastic with special sealed screw-in connectors for the optical terminals, for the drop fibre property connection, embedded in it.
In a user premises, when an ONT is first powered up (or reset) it undertakes a preset handshaking, authentication and registration process with the OLT at the exchange. The OLT authorises the ONT to 'speak' (transmit) on the PON and the OLT has the capability to specially exclude an ONT from participating in the PON. Basically the OLT can tell the ONT to shut-up and stop transmitting if the OLT thinks it a rogue device, faulty or otherwise shouldn't be part of the network. The OLT however cannot stop sending 'light' to an individual ONT, as the rest of the network is just a passive 'tree'.
Furthermore there is no way an OLT can in any way tell any other part of the network to power on or off - because the network is totally passive. The only active things on a PON are the OLT in the exchange and the ONT in the user premises - everything else in between is 'dumb' and just passes the light in either direction.
Edited by Pheasant (Mon 22-Nov-21 19:20:09)
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I don't know what's going on then. I watched an engineer on the pole checking CBT with very low signal, then calling someone who able to remotely (not in the exchange) reset something and signal comes back for 5 min and then disappears again. And they did it twice! When signal comes back (overnight more often) I was able to check the speed and was full 500/75 that I was supposed to be getting. I might not understand how fibre work, but I recon if there was physical breakage somewhere I would never be able to achieve full speed for 30 min. Something must be triggering it though...
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Faulty card or SFP or maybe just a bit of dirt/ contamination on the fibre. Trouble is it will probably mean taking offline everyone on that headend card so will need a planned engineering works (PEW) to be done during the night.
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That makes sense - but why are BT Retail telling the OP that BT Wholesale engineers need to attend? That just makes no sense.
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Yes, I guess it could be hardware, but as for bad splice/contamination - I find it hard to believe that simply by resetting something it can be working for X amount of time without issues...
Another thing I googled - it could be a major fault due to network design: they could have connected more nodes into splitters or aggregates than allowed/supported (not sure if it is possible). So depending on overall load of the network, parts of it could be going down intermittently. When engineers checked local splitter it was also without signal as was CBT... This could be a problem for a large area, but I might be very early adopter and they might not realise how big the problem is due to that.
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That makes sense - but why are BT Retail telling the OP that BT Wholesale engineers need to attend? That just makes no sense.
Usual BS from their support I recon. I fully expect another regular OR engineer to turn up at my house tomorrow wondering why he was sent if the fault is outside.
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If they come to your house and can't get light they should be escalating the cases though, it sounds like they're just closing them out each time and forcing you to have to keep hassling your ISP. Your ISP should be rejecting the fault clear each time.
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The question to my mind is where does the OP best focus his energies on an escalation to resolve.
Personally after being out of action for nigh on three weeks I'd probably send a joint email of complaint to the CEO's of both BT Retail (Marc Allera), BT Customer Service Consumer (Nick Lane) and Openreach ([removed by tbb]) and tell them about how poorly joined up their service restoration process actually is....
Edited by seb (Mon 02-Feb-26 21:38:36)
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Which area is this?
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I would suspect they are doing something to the port in the OLT that the CBT is connected to, to get service back e.g. rebooting the port. If it was low light all the time it is unlikely anything remote would fix. Would be interesting to know if the light level went up significantly when they do this, or if you are marginal when they do the remote work.
This sounds like a physical issue with the OLT port you (and up to 31 other people) are connected to. Everything between the OLT and your house is passive, so unlikely to stop working after a few minutes.
An issue with light levels on the PON is 100% Openreach, nothing to do with the onward link via BT Wholesale, so Openreach need to fix it. They need to get someone to look at what is going with that OLT port, I'd be changing the SFP for your port as the first point of call.
As others have said if BT cannot get Openreach to look at this then escalate to more senior teams, if you escalate to both OR and BT in one e-mail be warned Clive's team will dump it back on BT to resolve despite the fact it is their issue. Been there had point out very firmly that it was Openreach that had a major issue with a fibre first install for 100+ houses so BT wouldn't be able to fix it.
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An issue with light levels on the PON is 100% Openreach, nothing to do with the onward link via BT Wholesale, so Openreach need to fix it. They need to get someone to look at what is going with that OLT port, I'd be changing the SFP for your port as the first point of call.
As others have said if BT cannot get Openreach to look at this then escalate to more senior teams, if you escalate to both OR and BT in one e-mail be warned Clive's team will dump it back on BT to resolve despite the fact it is their issue. Been there had point out very firmly that it was Openreach that had a major issue with a fibre first install for 100+ houses so BT wouldn't be able to fix it.
There is pass bucking going on. Which sadly happens when you have a organisation like BT group. Our concern is how to get this OP's fttp fixed. Its clearly a hardware or network issue, which could be part of a bigger issue.
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Which area is this?
Grove Park exchange area in London.
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I would suspect they are doing something to the port in the OLT that the CBT is connected to, to get service back e.g. rebooting the port. If it was low light all the time it is unlikely anything remote would fix. Would be interesting to know if the light level went up significantly when they do this, or if you are marginal when they do the remote work.
The difference is very significant I was told (-70 vs -15 or something like).
So today, thankfully, no one showed up, so they must be doing something outside. I even had connection stable for just over an hour, but then back to red again. Just awaiting some news from BT...
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The repeated change in light levels (that your ONT detects when it puts the Red LOS light) very much looks like the pluggable device (SFP) at the OLT in the exchange is unstable or “flapping”.
From what you’ve described you may be one of few (or perhaps the only one) on the PON served by that particular port / device, as you are an early adopter on a newly built part of the network. There could otherwise, in the fulness of time, be up to 29 other customers served by the same port / pluggable. If the problem is at the card level more customers would in turn be potentially affected.
Keep at them and escalate as high as you see necessary to resolve.
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Thanks.
So the update from BT is this (after looooong conversation): "it is CA fault so it is the network box and they have replaced it so by morning they will confirm and close the fault " LOL
Somehow I doubt that its going to be fine in the morning as if they replaced it already it would have been working by now.
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‘CA fault’ nooooooooo
CA = Customer’s Apparatus
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A lie in other words. Unless they haven’t replaced it and will do so before 12pm tomorrow 
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I can't see how an ONT fault would cause low light levels at the CBT.
More BS by the sounds of it.
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A lie in other words.
I won’t stand for such scurrilous suggestions 🤣
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You squire are a man of honour….but i really don’t want to do pistols at dawn 😂
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Does an ONT qualify as customer equipment?
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None of it makes any sense, unless they're DPD'ing him a new Smart Hub before midday.....
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Is it a Nokia ONT ?
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A lie in other words. Unless they haven’t replaced it and will do so before 12pm tomorrow
Why do i think it won't be sorted by tomorrow at 12pm
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Takes about 30 seconds to disconnect the SC patch lead from a GPON SFP, pull it out, plug in a fresh SFP, clean the end of the fibre ferule and reconnect the patch.....miracles can happen, even with change control 
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Well, they are definitely doing something. Starting about 8pm the connection was up and down like a yoyo which I haven't seen before. I was monitoring it and as soon as it was up was starting very large download to saturate the connection as much as I can. It was dropping after 5-10 min and then back up after another 5-10. Then dropped for almost an hour and then came back and holding for over an hour now. But I have seen it holding for almost 2 hours before also overnight, so will have to wait and see in the morning...
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Well, they are definitely doing something. Starting about 8pm the connection was up and down like a yoyo which I haven't seen before. I was monitoring it and as soon as it was up was starting very large download to saturate the connection as much as I can. It was dropping after 5-10 min and then back up after another 5-10. Then dropped for almost an hour and then came back and holding for over an hour now. But I have seen it holding for almost 2 hours before also overnight, so will have to wait and see in the morning...
What's the LED sequence for the PON and LOS on the ONT when this is occurring?
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The point was more that, the CP’s claim of it being a CA fault being highly unlikely …
Exchange equipment isn’t really customers end of things.
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The point was more that, the CP’s claim of it being a CA fault being highly unlikely …
Exchange equipment isn’t really customers end of things.
Well OR had actually confirmed the issue wasn't at the OP premises about 5 times over (ok an exaggeration on the amount)
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Thanks.
So the update from BT is this (after looooong conversation): "it is CA fault so it is the network box and they have replaced it so by morning they will confirm and close the fault " LOL
Somehow I doubt that its going to be fine in the morning as if they replaced it already it would have been working by now.
It must all be working perfectly now! A sea of green lights...
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Had terrible experience with BT FTTP so far. Had it installed in parallel with FTTC still working, run for a week, then switched off FTTC and the next day FTTP started to have issues as well. Red light on ONT. Comes back green early morning for may be 30 min and then red the rest of the day, sometime red for days in a row. OR came and fully rewired from pole to house twice. Now awaiting some "specialist team" action. Already been 10 days since this started.
Did anyone have any experience with the same kind of fault? I google it and the only mentioning I could find is about borked roll out in terms of capacity as they might have switched someone on after a week I had it and now there is not enough signal strength for everyone...
Yea, the red light of death. With me it was because they hadn't spliced it properly and the splice came apart after 2 days.
RLOD is always a physical layer issue.
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Thanks.
So the update from BT is this (after looooong conversation): "it is CA fault so it is the network box and they have replaced it so by morning they will confirm and close the fault " LOL
Somehow I doubt that its going to be fine in the morning as if they replaced it already it would have been working by now.
It must all be working perfectly now! A sea of green lights...
Haha not quite. It was red in the morning, but switched a few times before what looked like a stable green for 5 hours. I was afraid to jinx it and not posted, but it's red again now, so we are back to square one. Have not spoken to BT yet, but can see they have not closed the fault.
And just checked - it says major service outage in my area - reported an hour ago and to be fixed by tomorrow 6pm. Wow its the first time they have admitted it's a major fault!
Edited by someuser08 (Wed 24-Nov-21 17:15:06)
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Think it's BT CEO email time.
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And just checked - it says major service outage in my area - reported an hour ago and to be fixed by tomorrow 6pm. Wow its the first time they have admitted it's a major fault!
I have a feeling you just may have a guardian angel on here somewhere.
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Think it's BT CEO email time.
I'm going to wait one more day and go openreach route first. If they know it's an area outage now, hopefully any repairs will be done quicker...
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Think it's BT CEO email time.
I'm going to wait one more day and go openreach route first. If they know it's an area outage now, hopefully any repairs will be done quicker...
As Pheasant has alluded to think a magical angel on this forum may of done something
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Or a couple 😉
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Haha, whatever angels did - its no longer showing estimated fix date, so it might still drag on...
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They've had almost 24 days....meh what's another 24 hours between friends
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Exactly! 😀
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Awaiting replacement parts. Seems to be a supply issue.
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Great insight. Thank you. Is there any view on when spares (whatever they are - presumably Huawei optics or cards) will be available? I’m slightly surprised there is nothing in the cupboard so to speak, but there are of course other world and geo-politico and info security events in play as we all know. Slightly concerning how fragile the supply chain is.
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It'd Nokia. I would guess all the current stock are with the build teams. The network isn't handed over to the inlife team until its RFS, and they have their own budgets and stock (or not)
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Thanks again. Hopefully stock can be appropriated to get the OP back up and running asap.
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Awaiting replacement parts. Seems to be a supply issue.
Thank you. Good to know this. Shall I leave BT to their own devices as now that I know exactly how OR is looking at it? BT is still saying OR has requested to book an engineering visit...
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Have you demanded a 4g solution from them yet? As this could run and run plus your compensation may stop at 30 days, you need to get that sorted.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
M H C
taurus excreta cerebrum vincit
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Have you demanded a 4g solution from them yet? As this could run and run plus your compensation may stop at 30 days, you need to get that sorted.
Yes, after first 2 weeks I was sent a mini-hub, but WFH constantly is very suboptimal with that.
As for compensation - I thought they need to give 30 days notice before they can stop it (after the first 30), so effectively 60...
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Not necessarily, they have to give 30 noitice and that could be on day 1. I have seen differing implementations of the requirements in different providers conditions.
The important point being you have some connectivity at their expense.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
M H C
taurus excreta cerebrum vincit
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So outage checker no longer shows any issues today. ONT was red in the morning but its green for the last 3 hours, but without knowing if anything was done its hard to say it was fixed (it held on for 5 hours once before). Going to see how it goes for the rest of the day.
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From the perspective of monitoring the connection stability / uptime / outages etc with BQM - what router have you got connected to the ONT?
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I'm using SH2 and its stats page. Once everything is stable I will switch to my proper gateway (WRT3200ACM running OpenWrt).
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Ah no worries. I was thinking you could setup a BQM session until this mess is sorted to log exactly when the connection misbehaves.
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I'm hoping this is finally resolved - I haven't had any issues since it came back up this morning, but I guess I won't be 100% sure until tomorrow morning.
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You should also ensure your CSP comes back to you with confirmation that the problem has been fixed, preferably with an explanation from Openreach of where the fault lay.
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I wouldn't bank on it unfortunately
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I wouldn't bank on it unfortunately
*Edit*
Any work has taken place or not?
I was replying to @candlerb that I have the same sentiment about CSP.
Edited by someuser08 (Fri 26-Nov-21 17:04:09)
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No replacement sourced yet
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Good to know. Thanks. I will not talk to BT yet then as they would just close the fault happily...
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No replacement sourced yet
SFP module or something bigger?
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Bigger
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So far it held overnight, which is surprising, considering repair hasn't happened yet. I wonder could they have swapped some existing hardware?..
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And we are back to red... At least it was expected.
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As witchunt has alluded to it being something “bigger” than just the pluggable optical module, then points to a card-level fault; either the GPON interface card or perhaps even a supervisor card in the OLT.
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So apart from that downtime on Saturday, its been green for 1.5 days, not sure what to do with BT now... If I know that hardware still needs replacing, but it seem to be working for me - do I report it?
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Have the closed the fault ticket with you?
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The status was still in progress when I checked on Friday (awaiting appointment), but today it says problem was fixed on Saturday (and that I reported that it was fixed which I didn't). Its still opened, but just says was fixed on Saturday...
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OK so they’ve kept it open for now. What was the longest period of uninterrupted operation you had previously?
Might be time now to get the permanent router in play and get BQM on the job…
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Typical - as soon as I restructured my network back to fibre (still through SH2), the connection went down again...
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Typical - as soon as I restructured my network back to fibre (still through SH2), the connection went down again...
Ah oh dear - Well as Witchunt says, it's likely it'll kick in when they find some parts for you!
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I'm having real struggle with this now. Even though I have now involved OR senior escalation team , the BT keeps closing the fault automatically (it seems that if the fault is not with engineer they monitor the connection and if it is live for a short period of time its automatically closed), so I'm probably going to switch off SH2 and just monitor ONT for the time being...
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Dunno if this is ever going to be resolved. I've been working with OR escalation team and they said technical team is till doing monitoring of the line as they still have no idea what is wrong and can't see any mentioning in the comms of any hardware needed to be replaced...
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You've been out of service for, what, 5 weeks now? Openreach CEO seems to be a good port of call. And I'd have thought BT should either be reactivating your FTTC for free, or giving you 4G.
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You've been out of service for, what, 5 weeks now? Openreach CEO seems to be a good port of call. And I'd have thought BT should either be reactivating your FTTC for free, or giving you 4G.
Yes, 5 weeks exactly. I did the OR CEO email and that got picked up by the exec escalation team who just been relaying the info from the local team who says the cause has not been identified. Next update is on Monday...
I am on 4g now, but barely surviving as BT mobile has a speed cap of about 30/15 on their SIMs (upload and latency is the main challenge). Going back to FTTC is an option, but unresolving this would mean I can never upgrade to FTTP (or at least be sure it would be working at some point).
Edited by someuser08 (Fri 03-Dec-21 16:25:37)
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Sorry I may have missed it in this thread but are you the only one having this issue on your PON?
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Sorry I may have missed it in this thread but are you the only one having this issue on your PON?
I do not know this, but there is currently an "issue affecting you area" when I do service check on BT website. It was like this before but was resolved, but latest one from 30/11 still ongoing. I only know I'm the only one provisioned on my pole...
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It's unacceptable quite frankly, especially if this at an exchange (head-end) level. I have a feeling you're only being led on this journey because your particular PON only has you or a very small amount of people on it.
If this is a component shortage issue and it's delayed by supply chain issues, surely OR has replacement OLT units or can shift you onto a different piece of kit within the exchange whilst they wait for the piece of kit.
I doubt OR also see the difference between retail and business FTTP, which really does not bode well for business customers who may really need to rely on this in the future as the roll out continues. I know Lease Lines have SLA's, but it is frankly ridiculous that an EAD can be resolved in hours, let alone days but this can't.
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Very frustrating indeed for the OP. However he has at least got 4G from them and is ought to still be receiving the automatic compensation payments too.
EAD is a completely different ball game. Not much point comparing repair times (or for that matter installation times), as completely stand apart product, different tech, different teams, different contract, SLA obligations and last but not least let’s not forget price. It is 5 to 10 times the price of your standard FTTP product.
What is frustrating is that after all this time Openreach cannot “un-ringfence” or sequester the replacement gear from the installation/rollout side of the business and backfill that when the replacements arrive. I guess there must be contractual or other conditions that mean they cannot do that.
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Lets hope they are 100% sure what the route cause is and not just replacing things as a process of elimination.
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Lets hope they are 100% sure what the route cause is and not just replacing things as a process of elimination.
I agree, and the worse thing is despite having 4g backup right now, foc, it is very unacceptable that its taken this long and the OP not really knowing what is going on.
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Devils advocate: other ISP may not necessarily provide a 4G backup or subscribe to the Ofcom compensation scheme. They could also decide it’s all just too hard and just cease the contract (with 30 days notice).
An option open to the OP if he gets tired of all this…
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Finally result! After the connection being up and down the whole Friday evening, at some point after midnight on Saturday it came back up and is stable since then, I was not that excited as it happened before, but I got an email from my OR escalation contact who confirmed that they replaced a card on Friday night and it should hopefully resolve the issue. The first time someone officially said hardware was the problem! BT is still yet to contact me...
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Good news! Finally 👍
Probably a supervisor card on the OLT gone dodge city, which would have affected the whole chassis. So it wasn’t just a case of moving your PoN to another port or GPON card.
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Score! Now to claim your compensation and have a party
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I concur !!!!!!!!!
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This threads been a wild ride. Glad it's sorted for you now.
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Go back a couple of years and the posts then would make you assume a thread such as this wouldn't be seen, but FTTP seems to present new problems. Our village has seen a couple of complete losses of FTTP(prior to me getting FTTP), personally my FTTP has been much more reliable than the very long FTTC line, but not without problems, whilst my speeds are almost always 10% higher than the package I pay for, every now and again the latency goes OTT and I have to reboot the router, so it's seems to highlight other network issues.
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Go back a couple of years and the posts then would make you assume a thread such as this wouldn't be seen, but FTTP seems to present new problems.
Numbers.
A couple of years ago there were perhaps in the high tens of thousands of active FTTP subscibers. There are now over a million on Openreach based FTTP alone and growing rapidly. So it stands to reason there will be more and more incidents publicised like this one.
Nothing is infallible or unbreakable, but overall the infrastructure used with FTTP is still relatively new and the nature and architecture of it makes it far in excess more stable and reliable than the copper network.
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Burble
This has all the symptoms of an early life failure on the Head end Kit. OR would have had to convince the supplier ( Nokia) that there really was an issue to get the free repair / replacement and Spares may not be fully rolled out yet as failures should not have happened yet as the supplier is new in the network.
I am of the opinion that latency is never the fault of the FTTP but always the fault of the kit at the ends ( either end!) and the routings.
Route reboot sounds like buffer bloat or the old issue of gradually losing memory capacity, just happens much faster on a bigger connection.
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