From owner-freebsd-net Tue Oct 26 9: 6:46 1999 Delivered-To: freebsd-net@freebsd.org Received: from khavrinen.lcs.mit.edu (khavrinen.lcs.mit.edu [18.24.4.193]) by hub.freebsd.org (Postfix) with ESMTP id A3B7C14BED for ; Tue, 26 Oct 1999 09:06:38 -0700 (PDT) (envelope-from wollman@khavrinen.lcs.mit.edu) Received: (from wollman@localhost) by khavrinen.lcs.mit.edu (8.9.3/8.9.3) id MAA83232; Tue, 26 Oct 1999 12:06:36 -0400 (EDT) (envelope-from wollman) Date: Tue, 26 Oct 1999 12:06:36 -0400 (EDT) From: Garrett Wollman Message-Id: <199910261606.MAA83232@khavrinen.lcs.mit.edu> To: "Craig Critchley" Cc: Subject: FTP Net Performance In-Reply-To: <1df701bf1f84$32751020$0201010a@fuzzer.com> References: <1df701bf1f84$32751020$0201010a@fuzzer.com> Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org < said: > Any suggestions profoundly appreciated. Whenever TCP behaves strangely, your first step should be to capture a trace with tcpdump(8) and use tcpdump2xplot.pl and xplot(1) (part of /usr/ports/math/xplot) to see what's going on. The visual analysis technique is developed in Tim Shepard's S.M. thesis, references to which are available in the xplot tarball. -GAWollman -- Garrett A. Wollman | O Siem / We are all family / O Siem / We're all the same wollman@lcs.mit.edu | O Siem / The fires of freedom Opinions not those of| Dance in the burning flame MIT, LCS, CRS, or NSA| - Susan Aglukark and Chad Irschick To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message