From owner-freebsd-net@FreeBSD.ORG Tue Apr 20 07:10:19 2004 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 02C8216A4D1; Tue, 20 Apr 2004 07:10:19 -0700 (PDT) Received: from arginine.spc.org (arginine.spc.org [195.206.69.236]) by mx1.FreeBSD.org (Postfix) with ESMTP id 52D3743D5D; Tue, 20 Apr 2004 07:10:18 -0700 (PDT) (envelope-from bms@spc.org) Received: from localhost (localhost [127.0.0.1]) by arginine.spc.org (Postfix) with ESMTP id 5174F65371; Tue, 20 Apr 2004 15:10:16 +0100 (BST) Received: from arginine.spc.org ([127.0.0.1]) by localhost (arginine.spc.org [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 10357-03; Tue, 20 Apr 2004 15:10:15 +0100 (BST) Received: from empiric.dek.spc.org (82-147-17-88.dsl.uk.rapidplay.com [82.147.17.88]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by arginine.spc.org (Postfix) with ESMTP id 7D96D652FE; Tue, 20 Apr 2004 15:10:10 +0100 (BST) Received: by empiric.dek.spc.org (Postfix, from userid 1001) id DA21D6132; Tue, 20 Apr 2004 15:10:11 +0100 (BST) Date: Tue, 20 Apr 2004 15:10:11 +0100 From: Bruce M Simpson To: Bill Fumerola Message-ID: <20040420141011.GB18177@empiric.dek.spc.org> References: <20040419110912.A71274@xorpc.icir.org> <20040419224330.GN17862@elvis.mu.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="MGYHOYXEY6WxJCY8" Content-Disposition: inline In-Reply-To: <20040419224330.GN17862@elvis.mu.org> cc: Luigi Rizzo cc: Julian Elischer cc: net@freebsd.org Subject: Re: what is the story on if_index allocation ? X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 20 Apr 2004 14:10:19 -0000 --MGYHOYXEY6WxJCY8 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Apr 19, 2004 at 03:43:30PM -0700, Bill Fumerola wrote: > On Mon, Apr 19, 2004 at 12:28:23PM -0700, Julian Elischer wrote: > > It's completely un-needed except that some standards want to access=20 > > interfaces by index for statitics purposes. >=20 > they're "un-needed" in much the same way that statically assigning disk > numbers is "un-needed". sure, the disks don't light on fire without it, > but some consistancy and persistance does make things nice. My very own AODV routing daemon uses the if_index to track interfaces going away and coming back... BMS --MGYHOYXEY6WxJCY8 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Comment: '' iD8DBQFAhS9DueUpAYYNtTsRAjDOAJ0UW3jyQKNR9pOJgUGkJsnp7E/YmACfaoNJ DbKir+ueeMooM3fjpYK/6cM= =/4lQ -----END PGP SIGNATURE----- --MGYHOYXEY6WxJCY8--