Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264645AbUDVUBk (ORCPT ); Thu, 22 Apr 2004 16:01:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264652AbUDVTub (ORCPT ); Thu, 22 Apr 2004 15:50:31 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.31.123]:4559 "EHLO atrey.karlin.mff.cuni.cz") by vger.kernel.org with ESMTP id S264649AbUDVTuL (ORCPT ); Thu, 22 Apr 2004 15:50:11 -0400 Date: Tue, 20 Apr 2004 21:26:37 +0200 From: Pavel Machek To: Nick Popoff Cc: linux-kernel@vger.kernel.org Subject: Re: Testing Dual Ethernet via Loopback Message-ID: <20040420192637.GD1413@openzaurus.ucw.cz> References: <200404190614.21764.cryptic-lkml@bloodletting.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200404190614.21764.cryptic-lkml@bloodletting.com> User-Agent: Mutt/1.3.27i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 819 Lines: 18 Hi! > So what I'm wondering is if there is a way to force Linux to actually > utilize its network hardware in sending these packets to itself? In other > words, a ping or file transfer from an IP assigned to eth0 to another IP > assigned to eth1 should fail if I unplug the network cable connecting the > two. Any advice on this would be much appreciated. I'm not afraid of > reading kernel source but have no idea where to start on this one. tcpdump on eth0, ping non-existant IP on eth1? -- 64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/