Date: Wed, 12 Aug 2015 13:09:31 -0500 From: dweimer <dweimer@dweimer.net> To: FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Possible Error in the FreeBSD 10.2 Release Notes/Man page for TCP Message-ID: <131f8a0f25200031103639e969702727@dweimer.net>
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I was reading through the Release notes, and decided to enable net.inet.tcp.pmtud_blackhole_detection in my test environment. It appears that the monitoring tunable net.inet.tcp.pmtud_blackhole_min_activated is incorrectly listed. Using sysctl -a | grep net.inet.tcp.pmtud, doesn't show it as a result. The test system is running RC3 built on the 7th from revision 286391 of the https://svn.freebsd.org/base/releng/10.2 tree. root@freebsd:/usr/src # sysctl -a | grep net.inet.tcp.pmtud net.inet.tcp.pmtud_blackhole_mss: 1200 net.inet.tcp.pmtud_blackhole_failed: 0 net.inet.tcp.pmtud_blackhole_activated_min_mss: 0 net.inet.tcp.pmtud_blackhole_activated: 0 net.inet.tcp.pmtud_blackhole_detection: 1 I did confirm that the pmtud_blackhole_min_activated option is also listed in the tcp(4) man page page as well. If anyone is more familiar with this than I am can they look into seeing if there is indeed an error, or if I am missing something here. -- Thanks, Dean E. Weimer http://www.dweimer.net/
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