Date: Tue, 17 Oct 2000 15:38:48 +0300 From: Ruslan Ermilov <ru@sunbay.com> To: fooler <fooler@skyinet.net> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: tcp window size 17520 Message-ID: <20001017153848.A24731@sunbay.com> In-Reply-To: <39EC17DC.C5180B0C@skyinet.net>; from fooler@skyinet.net on Tue, Oct 17, 2000 at 05:11:56PM %2B0800 References: <39EC17DC.C5180B0C@skyinet.net>
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On Tue, Oct 17, 2000 at 05:11:56PM +0800, fooler wrote: > hi all, > > why is it www.freebsd.org web site is using tcp window size of 17520 > instead of 16384? > The receive buffer for TCP is initially set to net.inet.tcp.recvspace, but later is rounded up to the MSS for efficiency: buffer = roundup(buffer, mss); roundup(16384, 1460) = 17520 * mss=1460 on Ethernets with MTU=1500. > and why is it they dont enable rfc1323? > By default. The rc.conf(5) manpage explains why it is so. -- Ruslan Ermilov Oracle Developer/DBA, ru@sunbay.com Sunbay Software AG, ru@FreeBSD.org FreeBSD committer, +380.652.512.251 Simferopol, Ukraine http://www.FreeBSD.org The Power To Serve http://www.oracle.com Enabling The Information Age To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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