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<div dir="auto">Not necessarily. </div><div dir="auto">You can define it as a fixed lower half. </div><div id="aqm-signature" dir="auto" style="color: black;"><div dir="auto">-derek</div><div dir="auto">Sent using my mobile device. Please excuse any typos.</div></div><div dir='auto'><br></div>
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<div dir="auto">On November 6, 2022 17:45:47 Alex Carver <agcarver+ale@acarver.net> wrote:</div>
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<div dir="auto">If the host has a fixed IP address it doesn't receive the advertisement </div>
<div dir="auto">directly, right? I'd have to go manually change it.</div>
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<div dir="auto">On 2022-11-06 13:26, Derek Atkins wrote:</div>
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<div dir="auto">You use static / fixed local part. So your host is always </div>
<div dir="auto"><prefix>:<fixed>. So long as you know the prefix you can always reach </div>
<div dir="auto">any host. And the hosts receive their prefix via RA announcements. So </div>
<div dir="auto">you control that too.</div>
<div dir="auto">A host will never use the old prefix.. Or at least they won't use it </div>
<div dir="auto">for long, and once you announce the new prefix it'll renumber itself </div>
<div dir="auto">quickly.</div>
<div dir="auto">-derek</div>
<div dir="auto">Sent using my mobile device. Please excuse any typos.</div>
<div dir="auto">On November 6, 2022 13:58:06 Alex Carver via Ale <ale@ale.org> wrote:</div>
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<div dir="auto">So that's part of the problem, right?</div>
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<div dir="auto">Let's say the prefix changes, how do I now access devices that are using</div>
<div dir="auto">the old prefix? If I have 50 devices then I have to manually change them</div>
<div dir="auto">all every time the prefix changes plus change everywhere I use that IP.</div>
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<div dir="auto">With IPv4/NAT I didn't have to worry, they were always the same IP no</div>
<div dir="auto">matter what happened outside.</div>
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<div dir="auto">On 2022-11-06 10:51, DJPfulio--- via Ale wrote:</div>
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<div dir="auto">On 11/6/22 13:39, Alex Carver via Ale wrote:</div>
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<div dir="auto">The thing I was primarily asking about is how to be robust against a</div>
<div dir="auto">prefix change in an IPv6 implementation similar to how IPv4/NAT helps</div>
<div dir="auto">isolate me from my WAN's IP changing assuming that I don't use NAT</div>
<div dir="auto">because nearly everyone screams about it if you threaten to use it on</div>
<div dir="auto">an IPv6 system.</div>
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<div dir="auto">Isn't this solved by DNS? Leave the hostnames the same, regardless of</div>
<div dir="auto">the LAN. Just change the IP stuff in the DNS ... and on the host, of</div>
<div dir="auto">course.</div>
<div dir="auto"><br></div>
<div dir="auto">I've been burned by using centralized DHCP reservations, so only use</div>
<div dir="auto">them for devices that are portable or don't support a method to manually</div>
<div dir="auto">configure IPs ON-THE-DEVICE.</div>
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