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The RFC prohibits this. If you already have a /24, I don't think it will cost you any more in APNIC fees to add a /48.<br><br><pre> 6to4 prefixes more specific than 2002::/16 must not be propagated in
native IPv6 routing, to prevent pollution of the IPv6 routing table
by elements of the IPv4 routing table. Therefore, a 6to4 site which
also has a native IPv6 connection MUST NOT advertise its 2002::/48
routing prefix on that connection, and all native IPv6 network
operators MUST filter out and discard any 2002:: routing prefix
advertisements longer than /16.</pre>Cheers.<br>Mitchell<br><br><blockquote style="padding-left: 5px; margin-left: 5px; border-left: #0000ff 2px solid; margin-right: 0px"><hr><b>From:</b> Alex Samad - Yieldbroker [mailto:Alex.Samad@yieldbroker.com]<br><b>To:</b> Skeeve Stevens [mailto:skeeve+ausnog@eintellegonetworks.com]<br><b>Cc:</b> ausnog@lists.ausnog.net [mailto:ausnog@lists.ausnog.net]<br><b>Sent:</b> Thu, 03 Jul 2014 10:40:51 +1000<br><b>Subject:</b> Re: [AusNOG] another ipv6 Q<br><br>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Why, I didn’t say I wanted to use the ipv6 to ipv4 mechanism, I just want to use a /48 ipv6 range that nobody else can lay claim to.. well for as long as I
have the ipv4 /24 </span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">This was more of a thought problem than anything else.</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">A</span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Skeeve Stevens [mailto:skeeve+<a href="mailto:ausnog@eintellegonetworks.com">ausnog@eintellegonetworks.com</a>]
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<b>Sent:</b> Thursday, 3 July 2014 10:36 AM<br>
<b>To:</b> Alex Samad - Yieldbroker<br>
<b>Cc:</b> <a href="mailto:ausnog@lists.ausnog.net">ausnog@lists.ausnog.net</a><br>
<b>Subject:</b> Re: [AusNOG] another ipv6 Q</span></p>
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<p class="MsoNormal">This is a strange question.</p>
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<p class="MsoNormal">One thing that some engineers don't seem to understand is that IPv4 and IPv6 have absolutely nothing to do with each other. At no point do they communicate with each other unless some translation method is used... but that method is doing
the interpretation.</p>
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<p class="MsoNormal">Even dual-stacking v4 and v6 on the same interface doesn't make them interact in any way whatsoever.</p>
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...Skeeve</p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Calibri","sans-serif"">Skeeve Stevens - </span></b><span style="font-size:10.0pt;font-family:"Calibri","sans-serif"">eintellego Networks Pty Ltd</span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif""><a href="mailto:skeeve@eintellegonetworks.com">skeeve@eintellegonetworks.com</a> ; <a href="http://www.eintellegonetworks.com/">www.eintellegonetworks.com</a></span></p>
<p style="margin:0cm;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif"">Phone: 1300 239 038; Cell +61 (0)414 753 383 ; skype://skeeve</span></p>
<p style="margin:0cm;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif""><a href="http://facebook.com/eintellegonetworks">facebook.com/eintellegonetworks</a> ; <a href="http://linkedin.com/in/skeeve">linkedin.com/in/skeeve</a> </span></p>
<p style="margin:0cm;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif""><a href="http://twitter.com/theispguy">twitter.com/theispguy</a><span style="color:black"> ; blog: </span><a href="http://www.theispguy.com/">www.theispguy.com</a></span></p>
<p style="margin:0cm;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif""></span></p>
<p style="margin:0cm;margin-bottom:.0001pt"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F007F">The Experts Who The Experts Call</span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#002060">Juniper - Cisco - Cloud - Consulting - IPv4 Brokering</span><span style="font-size:10.5pt;font-family:"Calibri","sans-serif";color:#7F007F"></span></p>
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<p class="MsoNormal">On Thu, Jul 3, 2014 at 10:03 AM, Alex Samad - Yieldbroker <<a href="mailto:Alex.Samad@yieldbroker.com">Alex.Samad@yieldbroker.com</a>> wrote:</p>
<p class="MsoNormal">Hi<br>
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So we have a ipv4 class C assigned to us. What if any pitfalls are there for using the ipv4 in ipv6 address space ?<br>
<br>
Alex<br>
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