<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Try to run a wireshark capture when you try to browse and look for tcp retransmissions. <br><br>Arun</div><div><br>On 2 Aug 2016, at 8:33 AM, Mike Taylor <<a href="mailto:mtaylor@totalteam.co.nz">mtaylor@totalteam.co.nz</a>> wrote:<br><br></div><blockquote type="cite"><div>
<meta content="text/html; charset=windows-1252" http-equiv="Content-Type">
<p>I want to say duplicate IP issue, but that's only because that
was the last datacentre fault, with similar symptoms, that I had
to to troubleshoot..</p>
<p><br>
</p>
<p>Regards,</p>
<p>Mike<br>
</p>
<pre class="moz-signature" cols="72">Mike Taylor
The Total Team
DDI: +64 33530993
MOB: +64 274731969
0800 888 326 / +64 3 3779050</pre>
<div class="moz-cite-prefix">On 02/08/16 10:16, Ben Hohnke wrote:<br>
</div>
<blockquote cite="mid:CAB-d-NAdSjRPtgYsstfE3m0o014CR4rfmBRcxvm0bcsoGxFiKA@mail.gmail.com" type="cite">
<div dir="ltr">That sounds more like an mtu bottleneck issue
rather than latency<br>
</div>
<span>
</span><br>
<div class="gmail_quote">
<div dir="ltr">On Tue, 2 Aug 2016, 08:10 QCS Group -
Infrastructure <<a moz-do-not-send="true" href="mailto:Infrastructure@qcsgroup.com.au">Infrastructure@qcsgroup.com.au</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div link="#0563C1" vlink="#954F72" lang="EN-AU">
<div>Web pages seems to timeout on first load attempt
sometimes. Refresh and jumps through ok. Once loaded no
issues at all. Just wondering if this could cause it or
something else in the works</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
<div>
<div style="font-size:85%;color:#575757">Sent from my
Samsung device</div>
</div>
</div>
<div link="#0563C1" vlink="#954F72" lang="EN-AU">
<br>
<br>
-------- Original message --------<br>
From: Philip Loenneker <<a moz-do-not-send="true" href="mailto:Philip.Loenneker@tasmanet.com.au" target="_blank">Philip.Loenneker@tasmanet.com.au</a>> <br>
Date: 2/08/2016 08:03 (GMT+10:00) <br>
To: <a moz-do-not-send="true" href="mailto:ausnog@lists.ausnog.net" target="_blank">ausnog@lists.ausnog.net</a>
<br>
Subject: Re: [AusNOG] Latency Issue <br>
<br>
<div>
<div>
<p class="MsoNormal"><span style="color:#1f497d">Hi
Marius,</span></p>
<p class="MsoNormal"><span style="color:#1f497d"> </span></p>
<p class="MsoNormal"><span style="color:#1f497d">Are you
seeing “real world” traffic or performance issues,
or only on the traceroute? A lot of routers dedicate
resources to throughput rather than responding to
ICMP, so it could be the specific hardware on AAPT’s
network or their configuration. The fact that the
later hops have consistent ping times, including all
3 paths being within 1ms of each other for the last
hop, implies that traffic is flowing ok.</span></p>
<p class="MsoNormal"><span style="color:#1f497d"> </span></p>
<div>
<p class="MsoNormal"><span style="color:#1f497d" lang="EN-US">Regards,</span></p>
<p class="MsoNormal"><b><span style="color:#1f497d" lang="EN-US">Philip Loenneker | Network Engineer</span></b><b><span style="color:#ed7d31" lang="EN-US"> | TasmaNet</span></b></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:gray" lang="EN-US">40-50
Innovation Drive, Dowsing Point, Tas 7010,
Australia</span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:gray" lang="EN-US">P:
03 6165 2542 | M: 0404 097 816</span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;color:#1f497d" lang="EN-US"><a moz-do-not-send="true" href="mailto:philip.loenneker@tasmanet.com.au" target="_blank">philip.loenneker@tasmanet.com.au</a></span></p>
<p class="MsoNormal"><u><span style="font-size:10.0pt;color:#ed7d31"><a moz-do-not-send="true" href="http://www.tasmanet.com.au/" target="_blank">www.tasmanet.com.au</a></span></u></p>
</div>
<p class="MsoNormal"><span style="color:#1f497d"> </span></p>
<div>
<div style="border:none;border-top:solid #e1e1e1
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> AusNOG [mailto:<a moz-do-not-send="true" href="mailto:ausnog-bounces@lists.ausnog.net" target="_blank">ausnog-bounces@lists.ausnog.net</a>]
<b>On Behalf Of </b>QCS Group - Infrastructure<br>
<b>Sent:</b> Tuesday, 2 August 2016 7:55 AM<br>
<b>To:</b> <a moz-do-not-send="true" href="mailto:ausnog@lists.ausnog.net" target="_blank">ausnog@lists.ausnog.net</a><br>
<b>Subject:</b> [AusNOG] Latency Issue</span></p>
</div>
</div>
<p class="MsoNormal"> </p>
<p class="MsoNormal"><span lang="EN-US">Hi All,</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">Hoping someone
could push me in the right direction, we have a rack
in NextDC B1.</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">I am getting
some strange latency issues when doing trace routes,
we have 2 x BGP routes through AAPT, each one on a
different AG Access, and also 1 BGP with Pipe
networks.</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">Issue seems to
be on the AAPT stuff, ping doesn’t seem so spike a
lot but the traceroute is really an issue as
sometimes it will actually timeout. Anyone ever seen
this or have some guidance? Below is some logs</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">Using AAPT link
1</span></p>
<p class="MsoNormal"><span lang="EN-US">[<a moz-do-not-send="true" href="mailto:admin@BGP1.DC1.QCSGROUP.COM.AU" target="_blank">admin@BGP1.DC1.QCSGROUP.COM.AU</a>]
> tool traceroute 8.8.8.8 routing-table=AAPT
</span></p>
<p class="MsoNormal"><span lang="EN-US"> #
ADDRESS LOSS SENT
LAST AVG BEST WORST</span></p>
<p class="MsoNormal"><span lang="EN-US">1
61.69.105.161 <span style="background:yellow">
7.6% 145 1.4ms 20.2 0.9 802.7</span></span></p>
<p class="MsoNormal"><span lang="EN-US">2
203.131.62.32 0% 145
0.7ms 2.1 0.7 71.7</span></p>
<p class="MsoNormal"><span lang="EN-US">3
202.10.12.25 0% 145
0.8ms 1.1 0.7 9.1</span></p>
<p class="MsoNormal"><span lang="EN-US">4
202.10.12.18 0% 145
0.7ms 2.9 0.6 85.4</span></p>
<p class="MsoNormal"><span lang="EN-US">5
202.10.14.39 0% 145
1.2ms 1.3 1.1 3</span></p>
<p class="MsoNormal"><span lang="EN-US">6
203.219.107.209 0% 145
13.9ms 14.1 13.8 14.4</span></p>
<p class="MsoNormal"><span lang="EN-US">7
203.219.166.193 0% 145
13.6ms 17.9 13.5 258.3</span></p>
<p class="MsoNormal"><span lang="EN-US">8
203.219.107.113 0% 145
16.2ms 15 13 16.8</span></p>
<p class="MsoNormal"><span lang="EN-US">9
203.219.35.132 0% 145
25.3ms 20.4 13.6 25.5</span></p>
<p class="MsoNormal"><span lang="EN-US">10
203.219.107.6 0% 144
14ms 14.6 13.9 40.7</span></p>
<p class="MsoNormal"><span lang="EN-US">11
72.14.237.11 0% 144
14.4ms 14.4 14.3 14.9</span></p>
<p class="MsoNormal"><span lang="EN-US">12
216.239.40.255 0% 144
14.4ms 14.4 14.3 16.2</span></p>
<p class="MsoNormal"><span lang="EN-US">13
8.8.8.8 0% 144
13.9ms 13.9 13.8 14.4</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">Using AAPT Link
2</span></p>
<p class="MsoNormal"><span lang="EN-US">[<a moz-do-not-send="true" href="mailto:admin@BGP1.DC1.QCSGROUP.COM.AU" target="_blank">admin@BGP1.DC1.QCSGROUP.COM.AU</a>]
> tool traceroute 8.8.8.8 routing-table=AAPT1
</span></p>
<p class="MsoNormal"><span lang="EN-US"> #
ADDRESS LOSS SENT
LAST AVG BEST WORST</span></p>
<p class="MsoNormal"><span lang="EN-US">1
59.100.211.221 <span style="background:yellow">
34% 54 timeout 102.7 0.8 822</span></span></p>
<p class="MsoNormal"><span lang="EN-US">2
203.131.62.22 0% 53
0.5ms 1 0.4 22.2</span></p>
<p class="MsoNormal"><span lang="EN-US">3
202.10.14.39 0% 53
1ms 1.2 0.9 2.3</span></p>
<p class="MsoNormal"><span lang="EN-US">4
203.219.107.209 0% 53
13.3ms 13.3 13.1 15.3</span></p>
<p class="MsoNormal"><span lang="EN-US">5
203.219.166.129 0% 53
12.9ms 15.6 12.8 85.8</span></p>
<p class="MsoNormal"><span lang="EN-US">6
203.219.107.113 0% 53
14.8ms 14.7 12.9 16.6</span></p>
<p class="MsoNormal"><span lang="EN-US">7
203.219.35.132 0% 53
22.7ms 19.3 14.6 24.5</span></p>
<p class="MsoNormal"><span lang="EN-US">8
203.219.107.6 0% 53
13.9ms 14.4 13.8 26</span></p>
<p class="MsoNormal"><span lang="EN-US">9
216.239.41.51 0% 53
14.3ms 14.3 14.2 14.4</span></p>
<p class="MsoNormal"><span lang="EN-US">10
216.239.41.83 0% 53
14.9ms 14.8 14.8 14.9</span></p>
<p class="MsoNormal"><span lang="EN-US">11
8.8.8.8 0% 53
13.8ms 13.8 13.7 14.4</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">Ping from AAPT</span></p>
<p class="MsoNormal"><span lang="EN-US">112
61.69.105.161 56 64
0ms
</span></p>
<p class="MsoNormal"><span lang="EN-US"> 113
61.69.105.161 56 64
1ms
</span></p>
<p class="MsoNormal"><span lang="EN-US"> 114
61.69.105.161 56 64
0ms
</span></p>
<p class="MsoNormal"><span lang="EN-US"> 115
61.69.105.161 56 64
0ms
</span></p>
<p class="MsoNormal"><span lang="EN-US"> sent=116
received=116 packet-loss=0% min-rtt=0ms avg-rtt=0ms
max-rtt=2ms</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">Using Pipe</span></p>
<p class="MsoNormal"><span lang="EN-US">[<a moz-do-not-send="true" href="mailto:admin@BGP1.DC1.QCSGROUP.COM.AU" target="_blank">admin@BGP1.DC1.QCSGROUP.COM.AU</a>]
> tool traceroute 8.8.8.8 routing-table=pipe-netw</span></p>
<p class="MsoNormal"><span lang="EN-US">ork </span></p>
<p class="MsoNormal"><span lang="EN-US"> #
ADDRESS LOSS SENT
LAST AVG BEST WORST</span></p>
<p class="MsoNormal"><span lang="EN-US">1
203.192.85.233 0% 150
0.7ms 1.1 0.2 36.9</span></p>
<p class="MsoNormal"><span lang="EN-US">2
121.101.138.4 0% 150
13.1ms 13.1 13.1 13.2</span></p>
<p class="MsoNormal"><span lang="EN-US">3
121.101.138.230 0% 150
13.1ms 13.2 13.1 24.2</span></p>
<p class="MsoNormal"><span lang="EN-US">4
121.101.138.149 0% 150
15.4ms 13.5 13.1 16.6</span></p>
<p class="MsoNormal"><span lang="EN-US">5
218.100.2.97 0% 150
13.6ms 14 13.6 44.4</span></p>
<p class="MsoNormal"><span lang="EN-US">6
216.239.41.77 0% 150
13.8ms 13.8 13.7 13.9</span></p>
<p class="MsoNormal"><span lang="EN-US">7
209.85.244.15 0% 150
13.6ms 13.6 13.6 13.7</span></p>
<p class="MsoNormal"><span lang="EN-US">8
8.8.8.8 0% 150
13.5ms 13.5 13.5 13.6</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks</span></p>
<p class="MsoNormal"><span lang="EN-US">Marius</span></p>
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