<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Wed, Apr 6, 2016 at 7:12 PM, Byron Jeff <span dir="ltr"><<a href="mailto:byronjeff@clayton.edu" target="_blank">byronjeff@clayton.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex">Dustin,<br>
<br>
Take another look. It's 89% packet loss. Also it took 856 seconds to<br>
transfer 857 packets, of which only 93 got through.<br>
<br>
Even if only 11% packets were lost, with that latency, anything using TCP </blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex">would back off enough that the transfer rate would be abysmal.<br></blockquote><div><br></div><div>Unless special flags are specified, ping puts a 1 second interval between packets, so (n-1) seconds is the expected time. </div><div>rtt min/avg/max/mdev = 1.427/1.823/23.028/2.220 ms shows an average 1.823 ms RTT, so the latency actually looks great :)</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex">
<br>
BAJ<br>
<span class=""><br>
On Wed, Apr 06, 2016 at 09:50:00PM -0400, Dustin Strickland wrote:<br>
> 89% f the messge getting thrgh isn't terribl It's only missing 11 of<br>
> the dta. Probby noting to wry about.<br>
><br>
</span>> On Wed, Apr 6, 2016 at 8:46 PM, Pete Hardie <[1]<a href="mailto:pete.hardie@gmail.com">pete.hardie@gmail.com</a>><br>
<span class="">> wrote:<br>
><br>
> I feel for you.<br>
> I once had to diagnose a faulty backup (as in spare bandwidth, not<br>
> data) network myself. I scolded the customer's network techs, saying<br>
> that if a *software* guy found your fallback network was losing 30% of<br>
> its messages, you must be a poor hardware guy....<br>
><br>
</span>> On Wed, Apr 6, 2016 at 7:24 PM, Jim Kinney <[2]<a href="mailto:jim.kinney@gmail.com">jim.kinney@gmail.com</a>><br>
<span class="">> wrote:<br>
><br>
> 2016-04-06 02:10 PM <Tier 1 support person> - Changed: Public notes<br>
</span>> (emailed to the user), Incident state, Work notes []<br>
> Public notes (emailed to the user) The port doesn't exhibit any signs<br>
<span class="">> of degradation. If there is anything further we can help you with, just<br>
> let us know, I will leave this ticket open<br>
> Incident state: Work in Progress was: Assigned<br>
</span>> Work notes --- 170.140.138.106 ping statistics ---<br>
<span class="im">> 857 packets transmitted, 93 received, 89% packet loss, time 856137ms<br>
> rtt min/avg/max/mdev = 1.427/1.823/23.028/2.220 ms<br>
><br>
> As proof of everything working fine, <Tier 1 support person> attached a record o<br>
> f a ping test showing 89% packet loss.<br>
><br>
> I can't bang my head on my desk any more today. I'm going out for alcohol.<br>
><br>
> --<br>
> James P. Kinney III<br>
><br>
> Every time you stop a school, you will have to build a jail. What you<br>
> gain at one end you lose at the other. It's like feeding a dog on his<br>
> own tail. It won't fatten the dog.<br>
> - Speech 11/23/1900 Mark Twain<br>
><br>
<br>
</span><span class=""><font color="#888888">--<br>
Byron A. Jeff<br>
Associate Professor: Department of Computer Science and Information Technology<br>
College of Information and Mathematical Sciences<br>
Clayton State University<br>
<a href="http://faculty.clayton.edu/bjeff" rel="noreferrer" target="_blank">http://faculty.clayton.edu/bjeff</a><br>
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</div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature"><div dir="ltr"><div>David Tomaschik<br>OpenPGP: 0x5DEA789B<br><a href="https://systemoverlord.com" target="_blank">https://systemoverlord.com</a><br><a href="mailto:david@systemoverlord.com" target="_blank">david@systemoverlord.com</a></div></div></div>
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