On Thu, 2013-12-26 at 15:59 +0800, Ge Jin wrote: > Hi all! > > We want to use tcp_outgoing_tos with freeBSD 10.0-BETA2. [...] > So, it's the tcp_outgoing_tos still has bug in freeBSD or I have some > mistake there ? Have you tried increasing the logging level? Set it to at least level 3 and see if/what TOS errors/messages you get. There will be a lot of messages, so look for the following strings: "fwdConnectStart: got outgoing addr" [will be followed by tos being set] "Ip::Qos::setSockTos: setsockopt(IP_TOS)" on [will be shown on error]