Re: IPv4 v IPv6
Hi.
On Tue, Jun 18, 2019 at 10:32:23AM -0500, Nicholas Geovanis wrote:
> Guten Morgen,
>
>
> > But this RFC's "random" cannot mean "I start each day with selecting
> > new, custom /64 IPv6 ULA prefix for my site". ipv6calc fills this
> > nicely, try it some day.
> >
>
> By RFC 4193, it must/should be pseudo-random generated. The key must/should
> be an NTP-generated 64-bit date/time concatenated with the local MAC
> address. "It is important that all sites generating Global IDs use a
> functionally similar algorithm to ensure there is a high probability of
> uniqueness....This algorithm will result in a Global ID that is reasonably
> unique and can be used to create a locally assigned Local IPv6 address
> prefix". (RFC 4193)
> https://www.rfc-editor.org/rfc/rfc4193.html
>
> Not exactly elegant.
Oh, I'll take ipv6calc approach over *that* each time I have to try it.
Reco
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