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Re: nd6_free assumes all routers are processed by kernel RA
Date: Sun, 25 Aug 2019 22:53:40 +0100
From: Roy Marples <roy%marples.name@localhost>
| I'll reply anyway.
Thanks, still another 90 mins or so before I can test...
| The test is for any valid non LL address.
| By valid, that currently means not tentative, duplicated nor detached.
| Although I am considering relaxing that to not duplicated.
I think I'd just drop tentative - duplicated addresses are clearly bad
(I'm not exactly sure why such a thing is even allowed to remain, rather
than just being dropped, but that's unimportant) and detached addrs are no
different really than addrs that don't exist (at least for a time).
tentative though I believe are real addresses - slightly dangerous to use
as they may turn out to be duplicated, but the chances of that are small
(I don't think I have ever seen a non-specifically-manufactured duplicated
v6 address) so it normally is perfectly OK to treat a tentative addr as if
it were not one (which is also why some people believe that not running DaD
at all is acceptable - I am not one of those).
ps: the default route that I deleted after running the test the other day
still has not returned, so before I shut down the current (older) dhcpcd
I'll try running it with -n to see if that does bring it back. Then
assuming it does, I will delete it again before starting the new one.
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