I thought I'd update the list: Mike Silbersack, a FreeBSD developer, had the following to say to me and the freebsd-net list: > I did some quick investigation last night, and agree with Phil that this > is a bug. When the syncache was implemented, only a subset of the normal > tcp output code was copied over for the purpose of sending syn-acks. One > part of the code that was not moved over was the part that determines when > the DF and tos bits are set. > > I also agree with Mikael that this isn't an important issue, given that > syn-ack packets are quite tiny. Nonetheless, I will commit a fix in the > next few days. However, it's too late to MFC it in time for 4.6-release. So it will be fixed, and it was a bug. Thanks to everyone who responded, and thanks to Mike for the quick response. Phil -- Insanity Palace of Metallica http://www.ipom.com webmasterat_private --
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