I was over-simplifying and, as you state, any interface explicitly
configured for IPv6  will have IPv6 disabled. Those with explicit IPv6
configuration will not be disabled.

Most end-user systems are NOT configured with an address. In most cases
SLAAC (and, perhaps DHCPv6) along with things like NDP and RTSOL do
allof hte configuration. If ipv6_activate_)all_interfaces is NO, only
explicitly configured interfaces will run IPv6. If it i YES, any
interface with no explicit configuration will auto-configure and run IPv6.

The system I am typing this on is entirely auto-configured as are almost
all Windows systems running 7 or 8. (Maybe Vista, too. Don't recall.)
--
R. Kevin Oberman, Network Engineer, Retired
E-mail: [email protected] <mailto:[email protected]>

Ah, thanks, that makes sense.

Would that mean that a line such as 'ifconfig_IF="DHCP"' would not count the interface as being explicitly configured? I haven't looked into SLAAC or DHCPv6 configuration yet, so I'm not sure if either of those require a line like the one above.

I couldn't word that particularly well. Basically, my question is, does any "ifconfig_IF_..." line count IF as being explicitly configured, or is it just interfaces with statically assigned addresses?

Thanks,
Jonathan.
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