From owner-freebsd-net Sun Jul 30 22:23:23 2000 Delivered-To: freebsd-net@freebsd.org Received: from coconut.itojun.org (coconut.itojun.org [210.160.95.97]) by hub.freebsd.org (Postfix) with ESMTP id 3F05D37B60E for ; Sun, 30 Jul 2000 22:23:12 -0700 (PDT) (envelope-from itojun@itojun.org) Received: from kiwi.itojun.org (localhost.itojun.org [127.0.0.1]) by coconut.itojun.org (8.9.3+3.2W/3.7W) with ESMTP id OAA19656; Mon, 31 Jul 2000 14:23:07 +0900 (JST) To: Jeroen Ruigrok/Asmodai Cc: freebsd-net@freebsd.org In-reply-to: asmodai's message of Sun, 30 Jul 2000 10:44:27 +0200. <20000730104427.A28035@daemon.ninth-circle.org> X-Template-Reply-To: itojun@itojun.org X-Template-Return-Receipt-To: itojun@itojun.org X-PGP-Fingerprint: F8 24 B4 2C 8C 98 57 FD 90 5F B4 60 79 54 16 E2 Subject: Re: Fwd: A new kernel extension to deal with IP option packets From: itojun@iijlab.net Date: Mon, 31 Jul 2000 14:23:07 +0900 Message-ID: <19654.965020987@coconut.itojun.org> Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org >A document describing this new feature and performance is available at >http://www.cs.columbia.edu/~pingpan/papers/BLtm_ipopt.ps > >The source code for FreeBSD is at >http://www.cs.columbia.edu/~pingpan/software_list.htm > >We also have coded a new command, ipodump(), to sniff option packets >from the wire. ;-) I have tested it with ISI's RSVP, ping -R.... all >worked. you want to look at RFC2292, and draft-ietf-ipngwg-2292bis. RFC2292 specifies how you can manipulate IPv6 extension headers (header chains between IP and TCP/UDP header, has similar role to IPv4 options), using ancillary data stream. it gives you much higher flexibility and control, without additional address family (i think we shouldn't define address family for this). itojun To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message