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Re: [OT] IP address collisions (was: Accessing a host with variable IP addresses / connection types)




On Thu, Apr 18, 2019 at 7:57 AM Michael Stone <mstone@xxxxxxxxxx> wrote:

No, the ULA is the IPv6 equivalent of RFC1918 space--you can use it
internally without central registration by choosing a subnet from
fd00::/8. The space is so much larger that it's much less likely that
two sites would pick the same prefix, but there are no guarantees.

But isn't it irrelevant whether they pick the same prefix or not? Routers that respect ULA and RFC1918 shouldn't route any traffic destined to them off the logical subnet. Right?