Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 9 Jan 2002 16:07:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 9 Jan 2002 16:06:58 -0500 Received: from cerebus.wirex.com ([65.102.14.138]:36349 "EHLO figure1.int.wirex.com") by vger.kernel.org with ESMTP id ; Wed, 9 Jan 2002 16:06:07 -0500 Date: Wed, 9 Jan 2002 13:10:13 -0800 From: Chris Wright To: Christopher James Cc: linux-kernel@vger.kernel.org Subject: Re: Multicast fails when interface changed Message-ID: <20020109131013.C24733@figure1.int.wirex.com> Mail-Followup-To: Christopher James , linux-kernel@vger.kernel.org In-Reply-To: <3C3C8D4D.621A4696@berkeley.innomedia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <3C3C8D4D.621A4696@berkeley.innomedia.com>; from cjames@berkeley.innomedia.com on Wed, Jan 09, 2002 at 10:34:53AM -0800 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Christopher James (cjames@berkeley.innomedia.com) wrote: > We are running an application that uses multicasting > on Linux kernel 2.2.19. The application is > connected to two network interfaces for redundancy > purposes - only one interface is active at a time. > When the application starts up on the first interface, > the application can send and receive multicast messages. > We then use ifconfig to bring down the first interface, > and use ifconfig to bring up the second interface. The application > works with the exception that it cannot receive multicast > packets (it can still send multicast packets). does your app use INADDR_ANY for imr_interface when you join the multicast group? -chris - 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/