From owner-freebsd-net Tue Jun 20 8: 4:55 2000 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 4C6FD37BEC9 for ; Tue, 20 Jun 2000 08:04:50 -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 LAA34550; Tue, 20 Jun 2000 11:04:36 -0400 (EDT) (envelope-from wollman) Date: Tue, 20 Jun 2000 11:04:36 -0400 (EDT) From: Garrett Wollman Message-Id: <200006201504.LAA34550@khavrinen.lcs.mit.edu> To: Julie Elizabeth Schlembach Cc: freebsd-net@FreeBSD.ORG Subject: Using timestamp option of ip header (IPOPT_TS) In-Reply-To: References: Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org < said: > a) Activate the timestamp option of the ip header (IPOPT_TS) sysctl -w net.inet.tcp.rfc1323=1 (which should be the default state, but some ancient buggy PPP servers break when they see one and in any case it defeats VJ header compression). > b) Read these timestamps at the destination machine (by modifying > tcpdump...?) No modification required. -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