Date: Fri, 4 Mar 2005 15:30:04 -0800 (PST) From: Kan Cai <kcai@cs.ubc.ca> To: hackers@freebsd.org Cc: Brad Penoff <penoff@cs.ubc.ca> Subject: FreeBSD 4.11-RELEASE & SACK Message-ID: <Pine.GSO.4.60.0503041528430.22411@granville.cs.ubc.ca>
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Greetings, I posted this question on freebsd-question list yesterday, but no replies. So I am just trying my luck here. Thanks in advance. I've installed the standard FreeBSD 4.11-RELEASE and have realized that the sysctl option for enabling SACK in TCP is not available (net.inet.tcp.do_sack). Additionally, the tcp_sack.c file is not in the /usr/src/sys/netinet so I'm guessing this indicates that I need a patch. Hoping to be able to use SACK in FreeBSD 4.11-RELEASE, I wanted to ask : 1) Is my guess correct (Do I need a patch)? Or is my kernel configuration file missing an option? 2) Assuming I need a patch, what patch is generally recommended for using SACK under TCP in FreeBSD 4.11-RELEASE? Any help would be most appreciated. Thanks, ken
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