<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Excellent to see.<div class=""><br class=""></div><div class=""> - mark</div><div class=""><br class=""></div><div class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Feb 6, 2020, at 3:27 PM, Russell Langton <<a href="mailto:russell3901@gmail.com" class="">russell3901@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="auto" class=""><div dir="ltr" class=""><div dir="ltr" class="">Hi AusNOGgers, </div><div dir="ltr" class=""><br class="">Following our dual-stack enablement in Aug 2016, Telstra is proud the announce the second step in our transition to IPv6 - IPv6 Single-Stack deployment on Telstra wireless.<br class="">This means shortly when you attach your mobile to Telstra.WAP APN it will only get an Ipv6 address NO Ipv4 address.<br class=""> <br class=""> Note that the enablement is currently targeted at both pre and post-paid services.<br class=""> <br class="">This deployment of Ipv6 Single-Stack is only for Telstra.WAP APN which is primarily used by handsets and tablets.<br class="">Telstra.internet APN is primary used for dongles, BYOD tablets, modems etc. so this will remain as dual-stack.<br class=""> <br class=""> * timeframe * <br class="">We are planning to start the deployment on 10/2 and 13/2 in South Australia.<br class="">Further deployments in other states are planned by the end of Feb and will be advised to the list.<br class=""> <br class="">* device scope *<br class="">Any Mobile device that is configured as Dual Stack for Telstra.wap, either default or manually configured.<br class="">The scope of this change will impact devices that are using the latest version of the operating system, either out of the box or through an OS update.<br class="">It will also impact Android devices which are configured for Telstra.wap and manually configured for dual-stack.<br class=""> <br class=""> * Things to be aware of *<br class="">- This is a network based solution, when it receives a dual-stack request it will only allocate a Ipv6 Address.<br class="">- Services on Telstra.WAP APN will only get a Ipv6 address(No Ipv4)<br class="">- This solution is using a DNS64+NAT64 setup.<br class="">- If your website/content/other is advertising a AAAA Ipv6 DNS record, <br class=""> => This may cause problems if your website is not 100% Ipv6<br class="">- Impact to apps is expected to be limited as all apps submitted to Apple store have been DNS64/NAT64 mandated since June 1 2016.<br class=""> <br class=""> * Basic flow *<br class="">- If Alice is connecting to a website with a Ipv6 AAAA DNS record, It will be a pure Ipv6 connection.<br class="">- If Alice is connecting to a website with only a A DNS record, our DNS will spoof the website address with a Well Known Prefix (WKP) so it routes to the NAT64 gateway to Ipv4 internet.<br class="">- If Alice is connecting to a Ipv4 address literal(x.x.x.x), It may fail.<br class=""> <br class=""> * Why is AusNOG hearing about this now *<br class="">This is a major step in Telstra's Ipv6 journey, and with all things there will be teething issues when we launch.<br class="">We are aiming to work with community forums like AusNOG and Whirlpool to ensure this is a smooth transition. <br class=""> <br class=""> *Contacting us* <br class="">For any assistance, Please refer to;<br class="">For apps which appear broken, it may not support ipv6 DNS64+NAT64, contact your application support<br class="">CrowdSupport - <a href="https://crowdsupport.telstra.com.au/t5/Telstra-IPv6-Wireless-Network/bd-p/IPv6" target="_blank" rel="noreferrer" class="">https://crowdsupport.telstra.com.au/t5/Telstra-IPv6-Wireless-Network/bd-p/IPv6</a><br class="">or reach out directly to Telstra Ipv6 Engineering team - <a href="mailto:ipv6wirelessdeployment@team.telstra.com" target="_blank" rel="noreferrer" class="">ipv6wirelessdeployment@team.telstra.com</a><br class=""></div></div></div>
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