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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Dear Elliott<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">It is always my pleasure to help out fellow Australian Network Owners where I can…. Plus it helps knowing the right people to ask the right question to get things fixed…<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Kindest Regards<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:15.0pt"><b><span style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#64717A">James Braunegg<o:p></o:p></span></b></p>
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<p class="MsoNormal" style="line-height:12.75pt"><span style="color:black"><a href="tel:1300%20769%20972"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#64717A">1300 769 972</span></a></span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black"> /
</span><span style="color:black"><a href="tel:1300%20769%20972"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#64717A">0488 997 207</span></a></span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:12.75pt"><u><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#0563C1"><a href="mailto:james.braunegg@micron21.com"><span style="color:#0563C1">james.braunegg@micron21.com</span></a></span></u><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black"><o:p></o:p></span></p>
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<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:12.75pt"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#64717A">Follow us on <a href="https://m21status.com/"><span style="color:#0563C1">m21status.com</span></a> for important service and system updates.<o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:12.75pt"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#64717A">This message is intended for the addressee named above. It may contain privileged or confidential information. If you are not the intended
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> AusNOG <ausnog-bounces@lists.ausnog.net>
<b>On Behalf Of </b>Elliott Willink<br>
<b>Sent:</b> Friday, 10 May 2024 8:45 AM<br>
<b>To:</b> Lincoln Dale <ltd@interlink.com.au><br>
<b>Cc:</b> AusNOG@lists.ausnog.net<br>
<b>Subject:</b> Re: [AusNOG] Contact at GTT for a routing issue<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:Aptos;color:black">Thanks everyone who responded, this is now sorted. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:Aptos;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:Aptos;color:black">Special thanks to James @ Micron21 who managed to work some magic for us and get this resolved.<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="color:black">From:</span></b><span style="color:black"> Lincoln Dale <<a href="mailto:ltd@interlink.com.au">ltd@interlink.com.au</a>><br>
<b>Sent:</b> Friday, May 10, 2024 7:55 AM<br>
<b>To:</b> Elliott Willink <<a href="mailto:elliott@willink.net.au">elliott@willink.net.au</a>><br>
<b>Cc:</b> <a href="mailto:AusNOG@lists.ausnog.net">AusNOG@lists.ausnog.net</a> <<a href="mailto:ausnog@lists.ausnog.net">ausnog@lists.ausnog.net</a>><br>
<b>Subject:</b> Re: [AusNOG] Contact at GTT for a routing issue</span> <o:p></o:p></p>
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<p class="MsoNormal">On Thu, May 9, 2024 at 7:35 PM Elliott Willink <<a href="mailto:elliott@willink.net.au">elliott@willink.net.au</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:Aptos;color:black">Sorry for the noise - possibly a long shot but does anyone have a contact at GTT who may be able to assist resolve routing issues with US traffic?<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:Aptos;color:black"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:Aptos;color:black">NOC emails get a generic replying saying they are investigating on loop, NOC phone number seems to be disconnected and their general phone number won't do anything without a service
ID. <o:p></o:p></span></p>
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<p class="MsoNormal">How about you post the prefix in question that you see looping and then others can maybe look deeper into it.<o:p></o:p></p>
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<p class="MsoNormal">Did you also check to see that its legitimate in various looking glasses and e.g. do you see the same in ripe probes or similar?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">There are definitely cases where loops can/do happen beyond being transient. Router software bugs ("stuck bgp routes" / "timing race conditions on programming hardware") can/do/have happened, but are less common these days.<o:p></o:p></p>
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<p class="MsoNormal">But if its your prefix that you control, you can probably resolve it either by withdraw/re-announce of it, changing a transitive attribute that forces a refresh of it, possibly doing so via announcing either a more-specific or less-specific
to backstop it.<o:p></o:p></p>
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