using "reserved" IPv6 space

Owen DeLong owen at
Sat Jul 14 16:18:48 UTC 2012

On Jul 14, 2012, at 9:08 AM, Jérôme Nicolle wrote:

> Le 13/07/12 16:38, -Hammer- a écrit :
>> In the past, with IPv4, we have used reserved or "non-routable"
> I guess "non-routable IPv4" translates well to "non-routable IPv6", thus
> putting Link-Local addresses on top of the list.
> Thought you may use th auto-configured addresses for that purpose, you
> also may set LLAs to your liking. I use fe80::zone_ID:interface_ID , and
> set such LLA to every gateways to make routing tables more legible,
> those ID beeing arbitrary 16bit values.

Given that zone_IDs in my environments consist of terms like:


How, exactly, would you turn those into part of an IPv6 address?

> Any other address class will work well, but I'd rather not use reserved
> space outside of GUA, ULA our LLA scopes to avoid bug-hunting on poorly
> implemented IPv6 stacks.


However, I still think GUA is the best, most flexible choice.


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