<div dir="ltr">Yep, it indicated asymmetric routing, with a jump in latency between 124.19.61.161 and 220.101.79.194, along with the same packet loss. Interesting those are both Optus... Thankfully whatever was going on seems to have stopped with packet loss and latency back to the more normal ~20ish milliseconds again.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Aug 25, 2020 at 5:40 PM Roy Adams <<a href="mailto:roy@racs.com.au">roy@racs.com.au</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Just replied on list for the sake of helping others.</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Can you get a trace back the other way.</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Thanks for straighening the table up :)<br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br clear="all"></div><div><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><span style="color:rgb(0,0,0);font-family:verdana,sans-serif">Kindly,</span><br></div><div><span style="color:rgb(0,0,0);font-family:verdana,sans-serif;font-size:small"><br></span></div><div><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:rgb(31,73,125)">ROY ADAMS<b> | </b></span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:gray">P</span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:rgb(31,73,125)"> <a value="+61730405010" style="color:rgb(17,85,204)">07 3040 5010</a> | </span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:gray">Web:</span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:rgb(31,73,125)"> <a href="http://www.racs.com.au/" style="color:rgb(17,85,204)" target="_blank">http://www.racs.com.au/</a> | </span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:gray">Wiki:</span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:rgb(31,73,125)"> <a href="https://ex.racs.com.au:444/" style="color:rgb(17,85,204)" target="_blank">https://ex.racs.com.au:444/</a> | e</span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:gray">Mail:</span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:rgb(31,73,125)"> <a href="mailto:roy@racs.com.au" style="color:rgb(17,85,204)" target="_blank">mailto:roy@racs.com.au</a></span><br></div><div><font face="verdana, sans-serif" color="#eeeeee"><span style="font-size:10px">A positive attitude causes a chain reaction of positive thoughts, events, and outcomes.</span><br></font><font face="verdana, sans-serif" color="#eeeeee"><span style="font-size:10px">If you think it's expensive to hire a professional to do the job, wait until you hire an amateur - Red Adair.</span></font></div><div><span style="font-family:verdana,sans-serif;font-size:7.5pt"><font color="#eeeeee">Life is a journey through a series of adventures... Live them, love them, hate them, but never give up on your dreams, desires, and goals.</font></span></div><div><span style="font-family:verdana,sans-serif;font-size:7.5pt"><font color="#eeeeee">Have you been good today? </font></span><font face="verdana, sans-serif" color="#eeeeee"><span style="font-size:10px">ಠ_ಠ</span></font></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 25 Aug 2020 at 17:27, Giles Pollock <<a href="mailto:glp71s@gmail.com" target="_blank">glp71s@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Much the same deal it seems with WinMTR... ICMP can only get you so far. Standout seems to be 203.8.177.110 where the latency spikes and the packet loss begins.<div><table style="font-family:"Times New Roman"" border="1" align="center"><tbody><tr><td>Host</td><td>%</td><td>Sent</td><td>Recv</td><td>Best</td><td>Avrg</td><td>Wrst</td><td>Last</td></tr><tr><td>192.168.1.129</td><td>0</td><td>200</td><td>200</td><td>0</td><td>0</td><td>2</td><td>0</td></tr><tr><td>192.168.1.1</td><td>0</td><td>200</td><td>200</td><td>0</td><td>0</td><td>1</td><td>0</td></tr><tr><td>192.168.0.1</td><td>0</td><td>200</td><td>200</td><td>1</td><td>1</td><td>5</td><td>1</td></tr><tr><td>10.20.22.139</td><td>0</td><td>200</td><td>200</td><td>5</td><td>5</td><td>13</td><td>5</td></tr><tr><td><a href="http://27-32-160-196.static.tpgi.com.au" target="_blank">27-32-160-196.static.tpgi.com.au</a></td><td>0</td><td>200</td><td>200</td><td>5</td><td>5</td><td>13</td><td>6</td></tr><tr><td><a href="http://203-219-107-206.static.tpgi.com.au" target="_blank">203-219-107-206.static.tpgi.com.au</a></td><td>0</td><td>200</td><td>200</td><td>5</td><td>6</td><td>13</td><td>6</td></tr><tr><td>203.8.177.110</td><td>6</td><td>164</td><td>155</td><td>54</td><td>66</td><td>77</td><td>68</td></tr><tr><td>Request timed out.</td><td>100</td><td>40</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td></tr><tr><td>Request timed out.</td><td>100</td><td>40</td><td>0</td><td>0</td><td>0</td><td>0</td><td>0</td></tr><tr><td>124.19.61.93</td><td>7</td><td>160</td><td>150</td><td>0</td><td>65</td><td>74</td><td>68</td></tr><tr><td>124.19.69.102</td><td>7</td><td>160</td><td>150</td><td>0</td><td>69</td><td>78</td><td>67</td></tr><tr><td><a href="http://static-62.200.255.49.in-addr.VOCUS.net.au" target="_blank">static-62.200.255.49.in-addr.VOCUS.net.au</a></td><td>8</td><td>152</td><td>140</td><td>56</td><td>68</td><td>84</td><td>68</td></tr><tr><td><a href="http://ip-226.194.255.49.in-addr.VOCUS.net.au" target="_blank">ip-226.194.255.49.in-addr.VOCUS.net.au</a></td><td>7</td><td>160</td><td>150</td><td>57</td><td>68</td><td>96</td><td>70</td></tr></tbody></table><br></div><div>Not overly surprising results, although at least the packet loss seems to be reducing a bit now. I did the right thing and contacted my service provider as well to log a ticket on their end (hello to anyone who might end up with the escalation! :-D )</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Aug 25, 2020 at 5:08 PM Roy Adams <<a href="mailto:roy@racs.com.au" target="_blank">roy@racs.com.au</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Ahh, awesome, just sent another with link to WinMTR.</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">I try to draft emails so that others who don't know this stuff also get some learning/help.</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">I hope my email came across ok.<br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">I am sure the list would be interested in your findings.</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Don't forget when pasting those text traces to change the font to "Fixewd Width", or they are hard to read in emails :)<br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br clear="all"></div><div><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><span style="color:rgb(0,0,0);font-family:verdana,sans-serif">Kindly,</span><br></div><div><span style="color:rgb(0,0,0);font-family:verdana,sans-serif;font-size:small"><br></span></div><div><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:rgb(31,73,125)">ROY ADAMS<b> | </b></span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:gray">P</span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:rgb(31,73,125)"> <a value="+61730405010" style="color:rgb(17,85,204)">07 3040 5010</a> | </span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:gray">Web:</span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:rgb(31,73,125)"> <a href="http://www.racs.com.au/" style="color:rgb(17,85,204)" target="_blank">http://www.racs.com.au/</a> | </span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:gray">Wiki:</span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:rgb(31,73,125)"> <a href="https://ex.racs.com.au:444/" style="color:rgb(17,85,204)" target="_blank">https://ex.racs.com.au:444/</a> | e</span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:gray">Mail:</span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:rgb(31,73,125)"> <a href="mailto:roy@racs.com.au" style="color:rgb(17,85,204)" target="_blank">mailto:roy@racs.com.au</a></span><br></div><div><font face="verdana, sans-serif" color="#eeeeee"><span style="font-size:10px">A positive attitude causes a chain reaction of positive thoughts, events, and outcomes.</span><br></font><font face="verdana, sans-serif" color="#eeeeee"><span style="font-size:10px">If you think it's expensive to hire a professional to do the job, wait until you hire an amateur - Red Adair.</span></font></div><div><span style="font-family:verdana,sans-serif;font-size:7.5pt"><font color="#eeeeee">Life is a journey through a series of adventures... Live them, love them, hate them, but never give up on your dreams, desires, and goals.</font></span></div><div><span style="font-family:verdana,sans-serif;font-size:7.5pt"><font color="#eeeeee">Have you been good today? </font></span><font face="verdana, sans-serif" color="#eeeeee"><span style="font-size:10px">ಠ_ಠ</span></font></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 25 Aug 2020 at 17:06, Giles Pollock <<a href="mailto:glp71s@gmail.com" target="_blank">glp71s@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Agreed Roy, especially with how much ICMP traffic now gets messed with compared to other protocols. At best all it really gives me is a comparison between what I normally see and what I'm seeing at the moment. That and my constantly dying RDP and SSH sessions to various other hosts in the same network.<div><br></div><div>Not that it can be relied on either, but running a traceroute from the hosts on the Vocus link back to me shows asymmetric routing as well.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Aug 25, 2020 at 4:59 PM Roy Adams <<a href="mailto:roy@racs.com.au" target="_blank">roy@racs.com.au</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Hi Giles,<br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Using ICMP tracesw to measure traffic loss is fraught with danger due to intermediate routers dropping unimportant traffic like ICMP.</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Drawing conclusions regarding packet loss also requires noting the same or higher degree of packet loss further down the trace, among many other factors (see further below)<br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">A double end trace (one initiated form each end) is required from 124.19.69.102 to 27.32.160.196, and also from 27.32.160.196 to 124.19.69.102.</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">This could well show that the trace in each direction follows a different path - i.e. asymmetric routing.<br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">mtr / WinMTR is a more reliable tool to do the above - you will need mtr profiles from each end to start painting a better picture.<br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Some light reading on understanding traceroutes in general, well worth the read:</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><a href="http://www.nanog.org/meetings/nanog47/presentations/Sunday/RAS_Traceroute_N47_Sun.pdf" target="_blank">http://www.nanog.org/meetings/nanog47/presentations/Sunday/RAS_Traceroute_N47_Sun.pdf</a></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">I hope the above is of use.</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Here in the Philippines, we have learned some hard lessons about making assumptions about traffic loss.<br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div><div dir="ltr"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><span style="color:rgb(0,0,0);font-family:verdana,sans-serif">Kindly,</span><br></div><div><span style="color:rgb(0,0,0);font-family:verdana,sans-serif;font-size:small"><br></span></div><div><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:rgb(31,73,125)">ROY ADAMS<b> | </b></span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:gray">P</span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:rgb(31,73,125)"> <a value="+61730405010" style="color:rgb(17,85,204)">07 3040 5010</a> | </span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:gray">Web:</span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:rgb(31,73,125)"> <a href="http://www.racs.com.au/" style="color:rgb(17,85,204)" target="_blank">http://www.racs.com.au/</a> | </span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:gray">Wiki:</span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:rgb(31,73,125)"> <a href="https://ex.racs.com.au:444/" style="color:rgb(17,85,204)" target="_blank">https://ex.racs.com.au:444/</a> | e</span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:gray">Mail:</span><span style="font-family:verdana,sans-serif;font-size:7.5pt;color:rgb(31,73,125)"> <a href="mailto:roy@racs.com.au" style="color:rgb(17,85,204)" target="_blank">mailto:roy@racs.com.au</a></span><br></div><div><font face="verdana, sans-serif" color="#eeeeee"><span style="font-size:10px">A positive attitude causes a chain reaction of positive thoughts, events, and outcomes.</span><br></font><font face="verdana, sans-serif" color="#eeeeee"><span style="font-size:10px">If you think it's expensive to hire a professional to do the job, wait until you hire an amateur - Red Adair.</span></font></div><div><span style="font-family:verdana,sans-serif;font-size:7.5pt"><font color="#eeeeee">Life is a journey through a series of adventures... Live them, love them, hate them, but never give up on your dreams, desires, and goals.</font></span></div><div><span style="font-family:verdana,sans-serif;font-size:7.5pt"><font color="#eeeeee">Have you been good today? </font></span><font face="verdana, sans-serif" color="#eeeeee"><span style="font-size:10px">ಠ_ಠ</span></font></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 25 Aug 2020 at 16:42, Giles Pollock <<a href="mailto:glp71s@gmail.com" target="_blank">glp71s@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Not sure if anyone else is enjoying this experience, but I've seen a few occasions where there seems to be degradation between TPG and Vocus in Victoria. Pings go up by between 50-100ms with about 15% packet loss along the way. <div><br></div><div> 4 5 ms 6 ms 5 ms 10.20.22.139<br> 5 6 ms 6 ms 6 ms <a href="http://27-32-160-196.static.tpgi.com.au" target="_blank">27-32-160-196.static.tpgi.com.au</a> [27.32.160.196]<br> 6 6 ms 6 ms 6 ms <a href="http://203-219-107-206.static.tpgi.com.au" target="_blank">203-219-107-206.static.tpgi.com.au</a> [203.219.107.206]<br> 7 69 ms 67 ms 69 ms 203.8.177.110<br> 8 * * * Request timed out.<br> 9 * * * Request timed out.<br> 10 68 ms 68 ms 68 ms 124.19.61.93<br> 11 73 ms 72 ms 72 ms 124.19.69.102<br></div><div><br></div><div><br></div><div>Seen it come and go a few times over the last few weeks too. Makes working from home a bit of a pain when remote sessions keep getting punted out due to the packet loss!</div></div>
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