Subj : Dynamic IPv6
To   : Tommi Koivula
From : Michiel van der Vlist
Date : Tue Feb 26 2019 11:53:33

Hello Tommi,

On Monday February 25 2019 18:09, you wrote to me:

 >> Another thing that puts me off, is that it is difficult to test
 >> something that happens only once or twice a year. For IPv4 I know
 >> how to provoke an IP change (change the MAC of the WAN interface)
 >> for IPv6 I do not know how to provoke a change of prefix.

 TK> That's interesting. If you fake the MAC address and the IPv4 address
 TK> changes, how the hell the IPv6 prefix would not change...?

I can not change the MAC address for the IPv6 router...

That needs a bit of explaining. My ISP, Ziggo, only provides native IPv6 to non bussines accounts with a very limited set of modem/routers. These modem/routers do not allow changing the MAC address.

I can have the modem set in bridge mode and use my own router. Then I can change the WAN MAC address. But with the modem/router in bridge mode, I only have IP4.


Cheers, Michiel

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