Re: how to prefer temporary address? (raspbian / stretch)

Il 17/08/19 20:18, Chris Bell ha scritto:


> I have internet plus three private local networks, and each of the three three
> local networks has an assigned public address plus its own private local
> address for both IPv4 and (fd00::) IPv6, see RFC4193 / Unique Local IPv6
> Unicast Addresses.

Can you explain the advantages of having a fd00-range address? Mine is a 
fairly simple home network and in case of trouble the devices are all 
locally accessible.


> For each box, I edit
> /etc/gai.conf for address preferences order

Interesting: I thought the IPV6 preference compared to IPV4 was strictly 
mandated and not subject to local configuration, nice to know.


> /etc/dhcpcd.conf for my choice of
> slaac private=0
> and my fallback profile

For the moment, I solved it via sysctl but I'm curious: can you actually 
set a static address that will only kick in if dhcp fails?


Regards,
Andrea.