Date: Wed, 16 Dec 2015 17:04:18 +0100 From: Daniel Bilik <ddb@neosystem.org> To: freebsd-stable@freebsd.org Subject: stf(4) on 10-stable Message-ID: <20151216170418.3c2ec09dfb87e9d09a026efd@neosystem.cz>
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Hi. Does anybody run recent 10-stable with working 6to4 connectivity? A week ago I upgraded two systems where stf(4) is used. They were running 10-stable from beginning of September, with stf working fine. After upgrade, the address on stf0 stays "tentative" indefinitely. So far, I've not found any way to force it online. Tried ifconfig down/up, ifdisabled, no_dad, and sysctl -w net.inet6.ip6.dad_count=0. The latter just makes "tentative" flag flapping. Looking at commits, I suspect that r287734 (MFC of r287094) and/or r290348 (MFC of r288600) may be responsible for this. It changed the code that handles DAD, and AFAICT at least in6if_do_dad() now returns different value for stf interfaces than before. -- Dan
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