> On Mar 25, 2015, at 11:15 AM, Mikael Abrahamsson <[email protected]> wrote:
> 
>> Actually, why would the customer trigger this? Is there a good use case for 
>> this? In my mind, this is purely triggered from the ISP side, when a network 
>> event is planned to happen.
> Because some customers feel that changing addresses is a privacy thing. They 
> might want their ISP to provide a CPE with a button that says "change home 
> prefix now”.

Wasn’t aware of that need. One way to make this happen would be for the CPE to 
reset its DUID. But it’s no longer smooth renumbering, the prefix will simply 
change. In this case however, this is a user-triggered action, so immediate 
renumbering might be acceptable. Support for RFC7084 L-13 would be desirable. 

> How does it "get" PD2? This is what I don't understand. You just all of a 
> sudden next time the DHCPv6-PD communication happens, send two prefixes and 
> then the client will accept these and start using them? The home gateway 
> doesn't actually have to ask for it, you can just send it a bunch of prefixes?

You just configure it in the DHCPv6 server, usually through a script. Same for 
changing lease lifetime values. Ops people do this on a regular basis. 

JF



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