Date: Thu, 3 Apr 2014 08:50:02 GMT From: "Andrey V. Elsukov" <bu7cher@yandex.ru> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/188032: IPv6 on lo never leaves 'tentative' state if configured with prefixlen 128 Message-ID: <201404030850.s338o2ff037409@freefall.freebsd.org>
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The following reply was made to PR kern/188032; it has been noted by GNATS. From: "Andrey V. Elsukov" <bu7cher@yandex.ru> To: Darren Baginski <kickbsd@yandex.ru>, "freebsd-gnats-submit@FreeBSD.org" <freebsd-gnats-submit@freebsd.org> Cc: Subject: Re: kern/188032: IPv6 on lo never leaves 'tentative' state if configured with prefixlen 128 Date: Thu, 03 Apr 2014 12:46:55 +0400 On 03.04.2014 05:08, Darren Baginski wrote: >> Hello, >> >> Actually the problem is in your configuration. As you may see, you have >> IFDISABLED flag set. When you are configuring /127 prefix, the system >> does install route on that prefix and automatically clears IFDISABLED >> flag. When you are configuring /128 prefix, the system won't install >> route and thus IFDISABLED flag still here. With IFDISABLED flag the >> system won't do DAD and tentative flag will never cleared. >> >> -- >> WBR, Andrey V. Elsukov > > I'm not setting IFDISABLED flag as you see from output below. > Moreover the same set of commands doesn't dot put interface into IFDISABLED sate on FreeBSD 7.x, 8.x, 9.x > Again, if I set IPv4 /32 it works as well. > Thus this /128 case is a clear regression. All interfaces have IFDISABLED flag if you have not configured IPv6 for them. -- WBR, Andrey V. Elsukov
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