Forum Discussion

28 Replies

  • Client62's avatar
    Client62
    Alessandro Volta

    Fingers crossed the replacement Hub 5  does not come with 
    a surprise ££ activation fee and a new 18+ month contract. 

  • For those who haven't got a HUB5, who is going to be first to ask VM on here for one, just to see if the reply says "only for GIG1 customers" still? ;)

  • Thinking about it further do any of us have any confidence that VM has fully thought this hub upgrade project through in relation to the hundreds of thousands of pods that will need to be re-paired (let alone the activation line, the standard helpline, and this forum being up to the job of helping to facilitate this)?  Maybe the comms around it will be absolutely fantastic and idiot proof. Maybe not.

     

    • Adduxi's avatar
      Adduxi
      Very Insightful Person

      Good point Cardiffman282​     Not only that, but the old white pods are only Wifi 5 ac, and the Hub 5 is Wifi 6 ax.  Who's going to complain and ask for the black Wifi 6 ax pods ??

  • Roger_Gooner's avatar
    Roger_Gooner
    Alessandro Volta

    You might think it odd to have a press release about a free hub upgrade and Volt. What I think this is about is that VM hub 3 customers on M500 can, with the hub 5, get Gig1 if they have an O2 plan. But regardless of what the press release means, it's a pretty shoddy piece of work.

  • Roger_Gooner's avatar
    Roger_Gooner
    Alessandro Volta

    This makes entire sense as VM now has sufficient supplies of the hub 5 to standardise on it and get the significant benefits of capacity efficiency that DOCSIS 3.1 brings and reduced maintenance. As with all upgrades there might be some problems where users have a marginal coaxial line but VM has the means to deal with this.

  • Expect posts and complaints from customers who upgrade and then their interenet gets worse. The Hub3 uses DOCSIS 3.0 while the Hub5 runs on DOCSIS 3.1. On paper, DOCSIS 3.1 is a big upgrade — it allows more capacity and higher speeds but it’s also more sensitive to any noise or signal imperfections on the line. With DOCSIS 3.0 (Hub3), the connection tends to be more forgiving, so you could have borderline signal levels (e.g. upstream power slightly high, or downstream SNR a bit low) and still not notice many issues. With DOCSIS 3.1 (Hub5), those same borderline levels can cause daily drop-outs, packet loss, or latency spikes.

    • gitty's avatar
      gitty
      Tuning in

      Some counter arguments, looking at the broader picture:

      1) 3.1 uses a much stronger FEC. It supports a given modulation order at a lower SNR. This FEC also does frequency interleaving (can be very powerful).

      2) It is much more adaptive to the conditions in any given plant. How much depends on the operator (configuration and addtional support software - PMA). It can mask impairments in the plant (keeping the customers happy), while giving the operator time to fix them.

      3) It has a way to mitigate uncorrectable codewords, due to the use of multiple modulation profiles.

      4) 3.1 modems can output a stronger signal than 3.0 modems.

      There are a lot of configuration knobs, so handling of profiles and noise events etc. can differ from operator to operator. Operators tend to put 3.1 channels at the troublesome frequencies, because they handle it better.

      There are also examples of firmware bugs in various modems that can make 3.1 unstable in some situations (I can't speak of VM), but these are bugs, so not a flaw in DOCSIS 3.1.

    • avi68's avatar
      avi68
      Superfast

      You are absolutely spot on. I've had issues for over 2 years, it's only just recently been fixed. That's after countless engineer visits and formal complaints. The only way I got my issue fixed was by emailing the area manager directly with all my evidence. He kept pushing networks and they finally got their fingers out their back sides and actually did something. I have to say west London networks are the worst. I'm just glad after years of poor service it's finally fixed, 

      • Nednats's avatar
        Nednats
        Dialled in

        How did you get the area manager's contact details? 

      • Client62's avatar
        Client62
        Alessandro Volta

        Queen Elizabeth said to one dubious head of state,  'Recollections may vary'.

        This is exceptionally true of unsubstantiated claims about changes to speed of internet after an upgrade or after a change of VM Hub.  

        The gripes about a Kindle failing to reach 500Mb/s when sat on a garden dunny do have to be taken with a pinch of salt.

  • Client62's avatar
    Client62
    Alessandro Volta

    With VM UK's CATV / DOCSIS entering the twilight years, issuing Hub 5's to customers like us where a Hub 3 works fine, is an investment in the platform that I'd not expected to see. 

    The most recent Hub 3 software update was Summer / Autumn of  2022.

    I have no records of Hub 4 updates but it has not been a topic of posts for quite some time.

    Could it be the Hub 3 and Hub 4  have reached the end of the OEM support  ?

    Are there expectations ISP issued kit can be issued with updates / security fixes ?

    • nodrogd's avatar
      nodrogd
      Very Insightful Person

      For me going to the hub 5 would be a pain. My current hub 3 runs off a 3 metre 2 core mains cable that runs in an overcrowded trunking direct into the power brick at a favourable central position in the house for WiFi. Moving to a hub 5 would mean having to fit a full 3 core mains cable inside it to put a 3 pin plug at the hub end. Hub 3 is performing fine atm so won’t be changing anytime soon.

      • Adduxi's avatar
        Adduxi
        Very Insightful Person
        nodrogd wrote:

        Hub 3 is performing fine atm so won’t be changing anytime soon

        It's the old adage "If it ain't broke, don't fix it"  ;-) 

    • Tudor's avatar
      Tudor
      Very Insightful Person

      I believe that as the Hub4 & 5 use DOCSIS 3.1 VM can connect more customers when the Hub3s are removed. Probably just a short term measure.

  • goslow's avatar
    goslow
    Alessandro Volta

    Didn't VM announce this some time back, only to then find they could not source adequate supplies of the Hub 5?

  • legacy1's avatar
    legacy1
    Alessandro Volta

    They should of done this sooner for 1Gb customers but its great they are doing it for everyone now!

    Wonder if the hub 5 will be the last Docsis hub?

  • Client62's avatar
    Client62
    Alessandro Volta

    What a clunker of a press release ! 

    Make one think the transition from CATV / RFoG to XGS-PON is many years away.

    • jpeg1's avatar
      jpeg1
      Alessandro Volta

      Yes. Much cheaper to send out a Hub5 then connect FF. 

      • legacy1's avatar
        legacy1
        Alessandro Volta

        No one want FF unless it gets modem mode