https://community.bt.com/t5/Archive-Staging/40-drop-in-BT-Fibre-250-G-fast-down-linesync-speed-after-Smart/m-p/2103485#M1207251 <P>Last night my Smart Hub 2 upgraded itself to v0.21.03.07094-BT</P><P>This morning I'm down from the usual 220Mbps or so down line sync speed to 148Mbps - which is just below my 150Mbps Stay Fast Guarantee.</P><P>Will this resolve itself or do I need to book a fault call to give the line a kick and reinitiate the 10-day line training period?</P><P>I have extracted the relevant Event Logs which shows a historically solid 210-225Mbps down sync speed since the service was upgraded from BT Fibre 2 in mid-September and include a screenshot of the log here. You'll note that my SNRs are still the same now as they were before so I do not suspect my line quality has suddenly deteriorated to trigger this downshift.</P><P>The only thing that changed overnight was the firmware version - after a power off-on reboot that triggered the upgrade after I powered off the SH2 for about three hours while I rewired my patch panel when I added some new devices to my home. I took the opportunity to move the SH2-to-Master-socket-connecting-wire away from some power cords and that seemed to have momentarily boosted my down link sync speed to 244Mbps as well, before the upgrade reboot happened a few minutes later and seriously reduced my downlink line sync speed.</P><P>The SH2 is left on 24x7 as suggested for the best line stability and speed.</P><P>I work as a network engineer in my day job so am highly familiar with networking knowledge and practice.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Down line sync rates.jpg" style="width: 999px;"><img src="https://community.bt.com/t5/image/serverpage/image-id/69102i4EA4D6189354CDC8/image-size/large?v=v2&amp;px=999" role="button" title="Down line sync rates.jpg" alt="Down line sync rates.jpg" /></span></P> Fri, 16 Oct 2020 12:18:15 GMT pahill 2020-10-16T12:18:15Z https://community.bt.com/t5/Archive-Staging/40-drop-in-BT-Fibre-250-G-fast-down-linesync-speed-after-Smart/m-p/2103485#M1207251 <P>Last night my Smart Hub 2 upgraded itself to v0.21.03.07094-BT</P><P>This morning I'm down from the usual 220Mbps or so down line sync speed to 148Mbps - which is just below my 150Mbps Stay Fast Guarantee.</P><P>Will this resolve itself or do I need to book a fault call to give the line a kick and reinitiate the 10-day line training period?</P><P>I have extracted the relevant Event Logs which shows a historically solid 210-225Mbps down sync speed since the service was upgraded from BT Fibre 2 in mid-September and include a screenshot of the log here. You'll note that my SNRs are still the same now as they were before so I do not suspect my line quality has suddenly deteriorated to trigger this downshift.</P><P>The only thing that changed overnight was the firmware version - after a power off-on reboot that triggered the upgrade after I powered off the SH2 for about three hours while I rewired my patch panel when I added some new devices to my home. I took the opportunity to move the SH2-to-Master-socket-connecting-wire away from some power cords and that seemed to have momentarily boosted my down link sync speed to 244Mbps as well, before the upgrade reboot happened a few minutes later and seriously reduced my downlink line sync speed.</P><P>The SH2 is left on 24x7 as suggested for the best line stability and speed.</P><P>I work as a network engineer in my day job so am highly familiar with networking knowledge and practice.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Down line sync rates.jpg" style="width: 999px;"><img src="https://community.bt.com/t5/image/serverpage/image-id/69102i4EA4D6189354CDC8/image-size/large?v=v2&amp;px=999" role="button" title="Down line sync rates.jpg" alt="Down line sync rates.jpg" /></span></P> Fri, 16 Oct 2020 12:18:15 GMT https://community.bt.com/t5/Archive-Staging/40-drop-in-BT-Fibre-250-G-fast-down-linesync-speed-after-Smart/m-p/2103485#M1207251 pahill 2020-10-16T12:18:15Z