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UPDATE All BT Broadband Lines Now Support IPv6 Internet Addresses

Friday, November 4th, 2016 (6:57 am) - Score 16,724
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BT’s Chief Network Architect, Neil McRae, has told the UK IPv6 Council that their roll-out of the Internet Protocol v6 (IPv6) addressing standard was completed for “all BT Broadband lines” in October 2016 (except IPstream connections.. so not quite “all“), provided you have a compatible router.

Internet Protocol (IP) addresses are used to identify your connection online and most are still IPv4 based, but these have been depleted and so networks around the world are slowly adopting the IPv6 addressing system. Most ISPs are achieving this via a dual-stack network so that both IPv4 and IPv6 can work side-by-side, which is necessary because it will be many years before IPv4 can be completely switched off (too much software and hardware is still IPv4-only).

At the last update in August 2016 we were informed by BT that they aimed to officially enable the new standard on their network this Autumn, although they also said that it would be early 2017 before all of their customers could use it (here).

Today’s update confirms that IPv6 is now live, although at present only those with BT’s latest SmartHub router (or a third-party one that supports IPv6) can take advantage of the new system. Existing BT subscribers with the older HomeHub 4 and 5 routers will follow from early 2017.

The above information reflects BT’s residential subscribers, while their BT Business Broadband and Business Infinity (FTTC) customers will have to wait until Q1 2017. Naturally business customers can also expect to receive a static IPv6 address (/56).

The onus is now on TalkTalk and Virgin Media to play catch-up.

UPDATE 10:40am

The following is a statement from BT, which adds some extra confirmation to the above article if ever it were needed.

A BT Spokesperson told ISPreview.co.uk:

“We can confirm that IPv6 has been enabled on the majority of our network, apart from our legacy network serving a small proportion of customers. This is in line with our aim to include IPv6 for our customers in good time. Customers with our new Smart Hub have IPv6 capability immediately and we expect to have updated all customers with the Home Hub 5 and Home Hub 4 early in 2017.

Customers do not need to do anything and all customers can currently experience everything the internet can offer with IPv4.”

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Mark Jackson
By Mark Jackson
Mark is a professional technology writer, IT consultant and computer engineer from Dorset (England), he also founded ISPreview in 1999 and enjoys analysing the latest telecoms and broadband developments. Find me on Twitter, , Facebook and Linkedin.
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24 Responses
  1. Avatar Matthew Steeples

    And Plusnet could do with catching up too!

  2. Avatar when-the-first-words-are-lies-why-listen-to-the-rest

    ‘ was completed for “all BT Broadband lines” in October 2016 (except IPstream connections.. so not quite “all“) ‘

    Why is it so hard for BT to say anything which is actually true, its almost as if they have a corporate culture of lying through their teeth and expecting everyone to believe them because they are the incumbent…

    Also no sign of their own website being available on IPv6, so even if it wasn’t factually incorrect for them to claim to have made IPv6 available to all of their customers they clearly arent eating their own dog food.

    Perhaps one day the UK will get a government who isnt too spineless to stop the blatant exploitation of the copper assets which the taxpayer already paid to be installed back in the GPO days 😉

    • Avatar nucco

      You’re being a bit unreasonable.

      they don’t have to make their website accessible via IPv6. Their website just needs to be accessible, and their customers need to also be able to access ipv6 capable sites.

    • Avatar DTMark

      I’d agree on your last paragraph, and maybe it’s “defend BT” day, but they’re way ahead of most of the competition with IPv6 and deserve the credit for this.

    • Avatar FibreFred

      Why is it so hard for you to stick to one username deduction/carpetburn/all the rest

      Childish and boring

  3. Avatar Regis

    Question, if ipv6 is enabled for all lines why does my hub6 say there is no ipv6 dns service available??

    • You’ll probably find that’s the same for Sky Broadband too (i.e. the network gives you an IPv6 address but the DNS they provide won’t let you visit IPv6-only sites). I’ve not tried it myself, but swapping to Google Public DNS (supports IPv6) may solve that issue.

    • Avatar Data Analysis

      Googles own IPv6 IE 2001:4860:4860::8888 and 2001:4860:4860::8844 DNS does not work at least for me either. 3 of 4 routers i have and tried will also all default to IPv4 and not issue IPv6 even though you explicitly select IPv6 in their config.

      When BT say that all are supported do they mean just the visiting of IPv6 sites is supported or that it actually issues IPv6 addresses for everyone?

    • Avatar GaryH

      You don’t need an IPv6 DNS server to look up IPv6 addresses – existing IPv4-based DNS servers are more than capable of providing the necessary AAAA records to access IPv6 hosts.

    • Avatar Data Analysis

      oh well guess it just doesn’t work for me. When i run this…
      http://test-ipv6.com/
      i get
      https://s16.postimg.org/4k3ajgfs3/Test_your_IPv6.png

    • Avatar Regis

      Dual stack instead of having a proper v6 DNS service?

    • Avatar Data Analysis

      I would not know, my end ive even tried disabling IPv4 entirely. I would be curious to see screeshots of what others get at http://test-ipv6.com/

    • Avatar FibreFred

      10/10 for me with my Billion, if I use BT DNS I get 9/10 , if I switch to Google DNS its 10/10

    • Avatar Data Analysis

      Hmm a billion (8800NL to be specific) is one of the devices it does not work on for me. Netgear D7000 no joy either 🙁 Did at one stage have it working on a TP-Link VR600 but had to return that as it had a faulty PSU 🙁

      Thanks for the time though fred and confirmation it should work with your screenshot, some fiddling for me to do.

      Ill have to go google what BTs IPv6 DNS’s are, definitely does not work with 2001:4860:4860::8888 and 2001:4860:4860::8844 from google for me (tried setting at router only, PC only and both PC and router).

      Spose it could be an OS issue and something not set up, will invite sister round with her laptop to see if any joy on that.

    • Avatar FibreFred

      I also have the 8800NL 🙂

      Have you enabled ipv6 LAN side as well? You will need to set-up the DHCP server to run in ipv6 as well

      Go into LAN/IPV6 Autoconfig, enable DHCPv6 Server and Issue Router Advertisements and ensure the server type is stateless

    • Avatar Data Analysis

      Yep its definitely all set up right both at router and PC, ive even tried disabling Internet protocol V4 entirely on the computer. Interestingly after playing around i can get it to work on my mobile though how or why it sometimes works but other times does not i dunno (turn wireless on via mobile phone one minute it works, turn it off and back on and it may or may not work, repeat a few times and it works).

      I thought a switch may had been the issue so have even ran a long CAT6 cable to bypass/disconnected that, still didn’t help.

      Fortunately for now at least like most people i do not really need IPv6 otherwise it would really be doing my head in.

      Gonna have another play with other routers and computers mid-end of the week and see what happens.

  4. Avatar DTMark

    Well done BT.

  5. Avatar James

    Does not work for TP-Link even though IPv6 is on…

  6. Avatar KerryK

    I now have IPv6 down in darkest Devon though by BT broadband. No DNS as indicated above, so just switched to google IPv6 DNS and OpenDNS as a secondary. Works fine for me. I’m using a Draytek Vigor130 modem, Asus 4G-AC55U router.

    One question if anyone knows? I get allocated a /56 prefix by DNS through PPP when connecting. Any ideas if this prefix is likely to change (ala IPv4 DHCP)? I’d like to run a IPv6 service from home where most of my development is done, but don’t really want to use a IPv6 DDNS like service to get it working.

  7. Attempting to configure IPv6 with my pfSense router today, not going so well, despite being a BT Infinity user. Wondering if we’re part of that “legacy network”.

  8. Avatar Frank Jessopp

    Why not give everyone a static IPv6 address. There are plenty available (trillions). This is being used as a marketing ploy.

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