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    BT and AAISP Close to Fixing VPN on FTTC Superfast Broadband Modems

    This is a discussion on BT and AAISP Close to Fixing VPN on FTTC Superfast Broadband Modems within the General Computing and Internet forums, part of the Community channel category; BT and AAISP Close to Fixing VPN on FTTC Superfast Broadband Modems - ISPreview UK The boss of broadband ISP ...

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      BT and AAISP Close to Fixing VPN on FTTC Superfast Broadband Modems

      BT and AAISP Close to Fixing VPN on FTTC Superfast Broadband Modems - ISPreview UK
      The boss of broadband ISP Andrews & Arnold (AAISP), Adrian Kennard, says that close cooperation with a team from BT and Huawei has enabled them to identify and replicate an earlier reported fault (here) that caused some superfast broadband FTTC (VDSL) modems from BTOpenreach to break Virtual Private Network (VPN) services.

      The problem stemmed from how, on certain lines, a recently updated VDSL modem (Huawei HG612) would blacklist some User Datagram Protocol (UDP) packets after a Point-to-Point Protocol (PPPoE) restart and thus disrupt VPN communications (e.g. OpenVPN).

      The issue has now also been detected on some of BT Retails’ own FTTC lines (i.e. those with a static IP address) but a fix is coming.
      Adrian Kennard said:

      It is very specific, and relates to PPPoE over an FTTC link, where recent IP/port combinations stop working after a PPPoE reconnect, but start if the Ethernet port is disconnected and reconnected.

      We had several engineers at our offices working with us today, and engineers from BT at the exchange and Huawei in China on the phone as well. After several hours working with Paul we can confirm that they have managed to identify the problem and reproduce it in their labs
      .”
      Kennard said he was “pleased” that the fault was actually being “taken seriously by both BT and Huawei” and that the waiting game would now begin for a fix. Unfortunately at this stage it’s still too early to know when an update will be rolled out to correct the problem but we hope to have an answer soon.
      speedyrite likes this.


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      Re: BT and AAISP Close to Fixing VPN on FTTC Superfast Broadband Modems

      His blog is generally very interesting!

      www.me.uk RevK's rants: BT & Huawei working with us
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      Re: BT and AAISP Close to Fixing VPN on FTTC Superfast Broadband Modems

      I wondered if this issue explains some of the broken VPNs reported on the SkyUser and Sky forums in recent months?

      Sky Fibre Unlimited Pro: Connected at 80,000 kbps / 20,000 kbps
      Previous ADSL2+ Speed 19999 kbps 1153 kbps, Line Attenuation 17.5 db 6.9 db, Noise Margin 7.5 dB 8.7 dB
      Speedtest: 17.15MB/s 0.97Mb/s Ping 31 ms

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      Re: BT and AAISP Close to Fixing VPN on FTTC Superfast Broadband Modems

      Doesn't Sky Fibre use MER (MAC Encapsulated Routing) instead of PPPoE (Point-to-Point Protocol over Ethernet)?
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      Re: BT and AAISP Close to Fixing VPN on FTTC Superfast Broadband Modems

      I always thought that it was PPPoE for Fibre connections, but I could be wrong.

      Sky Fibre Unlimited Pro: Connected at 80,000 kbps / 20,000 kbps
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      Re: BT and AAISP Close to Fixing VPN on FTTC Superfast Broadband Modems

      I believe all the other providers use PPPoE, but sky likes to be different! Anyway, it's worth remembering that VPN issues seem to have existed for some Sky Fibre users since before the recent BTOR modem firmware update.
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      Re: BT and AAISP Close to Fixing VPN on FTTC Superfast Broadband Modems

      In either case it will be a "watch this space" to see if the VPN issue for Fibre customers is resolved.

      Sky Fibre Unlimited Pro: Connected at 80,000 kbps / 20,000 kbps
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      Re: BT and AAISP Close to Fixing VPN on FTTC Superfast Broadband Modems

      Yes. It's good to know they've found the cause of the problem but I suppose it will be into the new year now before another firmware can be rolled out.
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      Re: BT and AAISP Close to Fixing VPN on FTTC Superfast Broadband Modems

      Sky use neither PPPOE or MER on fttc its Standard DHCP with the client id option used for identification

      And is far superior to both and is the best way for it to be done by far

      Whats so confusing?

     

     

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