From owner-freebsd-net Tue Apr 9 15:55:19 2002 Delivered-To: freebsd-net@freebsd.org Received: from spe.homeunix.net (APlessis-Bouchard-103-1-1-190.abo.wanadoo.fr [80.11.164.190]) by hub.freebsd.org (Postfix) with ESMTP id 8E9CD37B405 for ; Tue, 9 Apr 2002 15:55:16 -0700 (PDT) Received: from there (win.bsdshell.net [172.16.1.2]) by spe.homeunix.net (Postfix) with SMTP id 623B56AA8; Wed, 10 Apr 2002 00:03:32 +0200 (CEST) Content-Type: text/plain; charset="iso-8859-1" From: Sebastien Petit Organization: BSDshell To: Lars Eggert Subject: Re: Netgraph question Date: Wed, 10 Apr 2002 00:55:28 +0200 X-Mailer: KMail [version 1.3.2] Cc: Julian Elischer , net@freebsd.org References: <20020409213955.639A26AA8@spe.homeunix.net> <3CB36E51.9060300@isi.edu> In-Reply-To: <3CB36E51.9060300@isi.edu> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-Id: <20020409220332.623B56AA8@spe.homeunix.net> Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Wednesday 10 April 2002 00:42, Lars Eggert wrote: > Sebastien Petit wrote: > > With tcpdump I see bad cksum 0!, so I think I must recompute ip checksum > > before resending the packet. > > The xl interface offloads checksumming to the NIC now, which is why you > see zero checksums when you tcpdump on the source or sink hosts. (There > was a thread on this a few weeks back; I stumbled over this then, too...) > > Lars Thanks Lars, And I apologize for my duplicate thread about this... Sebastien. -- spe@selectbourse.net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message