https://business.forums.bt.com/t5/Broadband/Riddle-my-packet-loss/m-p/86208#M15805 <P>IPv6</P><P><A href="https://www.thinkbroadband.com/broadband/monitoring/quality/thumb/721e771dfcfcfa3f8383a3cb2adf854afe78fb6d-21-03-2022.png" target="_blank" rel="noreferrer noopener">721e771dfcfcfa3f8383a3cb2adf854afe78fb6d-21-03-2022.png</A></P><P>IPv4</P><P><A href="https://www.thinkbroadband.com/broadband/monitoring/quality/thumb/4482bb53bdb085f83f74dce7f3dc2696de49683e-21-03-2022.png" target="_blank" rel="noreferrer noopener">4482bb53bdb085f83f74dce7f3dc2696de49683e-21-03-2022.png</A></P> Mon, 21 Mar 2022 07:31:53 GMT kelper 2022-03-21T07:31:53Z https://business.forums.bt.com/t5/Broadband/Riddle-my-packet-loss/m-p/86183#M15799 <P>**This is just for fun / speculation as the issue is under investigation by Enhanced Support / OpenReach / BT Wholesale**</P><P>&nbsp;</P><P>Two sites on Zen and BT, FTTC, IPs 88.97.13.173 &amp; 81.133.250.29, sites are about 150 meters apart. Both have suffered 5-20% packet loss for around 6 weeks. Copper status and VDSL statistics are great, great speeds, no drops, few errors etc. Many many Pair Quality Tests have been conducted <span class="lia-unicode-emoji" title=":winking_face:">😉</span></P><P>Logging shows a very noticeable improvement in packet loss in the wee small hours (daily):</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="BlueComp_0-1647602233130.png" style="width: 400px;"><img src="https://business.forums.bt.com/t5/image/serverpage/image-id/1396i1D3D4747D1738D5C/image-size/medium?v=v2&amp;px=400" role="button" title="BlueComp_0-1647602233130.png" alt="BlueComp_0-1647602233130.png" /></span></P><P>&nbsp;</P><P>Lift and shift has been carried out for want of a better idea.</P><P>&nbsp;</P><P>Running traceroute and pathping, the loss appears to occur on the last hop to the premises - ie from outside you can ping all the hops except the fault premises without loss</P><P>Engineers have also ruled out CPE, hot VP, electrical interference (REIN, SHINE).</P><P>&nbsp;</P><P>I've now got a fiver on 'broken BRAS', but I know diddly squat about VDSL delivery, so would love to hear other wild guesses. Have at it!</P> Fri, 18 Mar 2022 11:17:36 GMT https://business.forums.bt.com/t5/Broadband/Riddle-my-packet-loss/m-p/86183#M15799 BlueComp 2022-03-18T11:17:36Z https://business.forums.bt.com/t5/Broadband/Riddle-my-packet-loss/m-p/86190#M15802 <P>&nbsp; I'd like to compare mine.&nbsp; Will post it tomorrow.&nbsp; Is your IPv6 connection as bad?</P> Sun, 20 Mar 2022 18:49:24 GMT https://business.forums.bt.com/t5/Broadband/Riddle-my-packet-loss/m-p/86190#M15802 kelper 2022-03-20T18:49:24Z https://business.forums.bt.com/t5/Broadband/Riddle-my-packet-loss/m-p/86208#M15805 <P>IPv6</P><P><A href="https://www.thinkbroadband.com/broadband/monitoring/quality/thumb/721e771dfcfcfa3f8383a3cb2adf854afe78fb6d-21-03-2022.png" target="_blank" rel="noreferrer noopener">721e771dfcfcfa3f8383a3cb2adf854afe78fb6d-21-03-2022.png</A></P><P>IPv4</P><P><A href="https://www.thinkbroadband.com/broadband/monitoring/quality/thumb/4482bb53bdb085f83f74dce7f3dc2696de49683e-21-03-2022.png" target="_blank" rel="noreferrer noopener">4482bb53bdb085f83f74dce7f3dc2696de49683e-21-03-2022.png</A></P> Mon, 21 Mar 2022 07:31:53 GMT https://business.forums.bt.com/t5/Broadband/Riddle-my-packet-loss/m-p/86208#M15805 kelper 2022-03-21T07:31:53Z