svn commit: r238622 - head/etc/rc.d
Doug Barton
dougb at FreeBSD.org
Thu Aug 2 21:51:45 UTC 2012
On 8/2/2012 2:25 PM, Maksim Yevmenkin wrote:
> On Thu, Aug 2, 2012 at 1:55 PM, Hiroki Sato <hrs at freebsd.org> wrote:
>
>> Just curious, why ip6addrctl_enable=NO is not enough here?
Because the behavior of the script for =NO is to prefer v4.
>> I would
>> like to eliminate yes/no/none keywords in $ip6addrctl_policy because
>> such keywords are vague. If we need the empty rule for some reason,
>> "empty" would be a better name for the policy, I think.
Personally I think that the established meanings of "yes" and "no" are
well understood, but I wouldn't object to emitting a warning for them to
help the user make a more explicit selection.
While we're at it, the way that the current script replicates the test
for checkyesno in case is bogus, and should be changed. I had fixed this
in the change set that you(hrs) backed out. To stick with the structure
of the current script, something like this would work:
http://people.freebsd.org/~dougb/ip6addrctl.diff
That also brings in the warning described above.
> i just wanted to make sure that there is a way to absolutely make sure
> that there is no default address selection policy installed. the wide
> know rule 9 of rfc 3484 is really messing things up for dns-style load
> balancing. even when ipv6 is not used.
Maksim, can you say more about this? Or point me to a reference that has
the discussion?
> personally, i don't think that
> "none" is unreasonable word for "ip6addrctl_policy", but i don't feel
> particularly strongly about it. any name will do as long as original
> functionality is preserved.
I agree that "none" is reasonable, and is in line with other rc.d knobs.
I would not object to "empty" being added as a synonym though.
One request however, is this new knob documented in rc.conf.5? If not,
can you do that please? :)
Doug
--
I am only one, but I am one. I cannot do everything, but I can do
something. And I will not let what I cannot do interfere with what
I can do.
-- Edward Everett Hale, (1822 - 1909)
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