<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On 3 March 2016 at 07:59, Will Dormann <span dir="ltr"><<a href="mailto:wdormann@gmail.com" target="_blank">wdormann@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><span class=""><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><div><br></div><div>are you seeing dropped packets though?</div><div><br></div></div></div></div></blockquote><div><br></div></span><div>Yes. That was the whole point of this thread. Really only noticeable with the HDHR at gigabit speeds though, due to no retransmission and UDP. <span></span></div>
<br></blockquote><div><br></div><div>I've made some changes which appear on the surface to have improved things</div><div><br></div><div>I've disabled ipv6 on both my frontend & backend (Backend previously was disabled but was re-enabled after I recently upgraded to 14.04)</div><div>and I've enabled jumbo packets on both the frontend and backend (once again this was previously enabled prior to the upgrade but appears Network Manger does not honour this anymore)</div><div>however on the ION frontend (zbox-id31dvd-plus) the max jumbo frames supported is 7000 however the backend is set to 9000 (really they should be the same) and your switch should also support and/or be configured for jumbo frames. </div></div><br></div><div class="gmail_extra">I seem to no longer get a long delay when starting playback and even launching recordings and videos seems alot quicker.</div><div class="gmail_extra"><br></div><div class="gmail_extra">I'll need to monitor over time though for dropped packets however since enabling dropped packets has only increased by 11 during 1.5GB of RX transfers.</div><div class="gmail_extra"><br></div><div class="gmail_extra"><div class="gmail_extra">$ ifconfig eth0 | grep "RX packets"</div><div class="gmail_extra"> RX packets:31758537 errors:0 dropped:21144 overruns:0 frame:0<br></div><div class="gmail_extra"><br></div><div class="gmail_extra">the previous 21133 dropped packets was over 41.7GB of RX transfers</div><div class="gmail_extra"><br></div><div class="gmail_extra">Cheers,</div><div class="gmail_extra"><br></div><div class="gmail_extra">Anthony</div></div></div>