this post was submitted on 18 Jun 2024
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Why do ISPs rotate IPv6 prefixes? Aren't they basically infinite?
The main reason I want IPv6 is so I don't have to use fancy DNS for dynamic addresses.
Because grabbing a random prefix from the pool is easier than remembering which prefix is assigned to which subscriber account and keeping it static through ISP network changes.
My ISP does 'sticky' prefixes, which means they change when they move users between BNGs but otherwise don't.