Given the vast address space available for IoT devices using IPv6, I was doing some testing and ran into some funky, inconsistent behaviour regarding address configuration.
In Raspbian Buster, I persistently set in
/etc/sysctl.conf the preference to disable Privacy Extensions (RFC 4941):
However, instead of an EUI-64 constructed address, on boot I get an address configured using privacy extensions? Why are the persistent
sysctl setting ignored?