From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964987AbWFNOks (ORCPT ); Wed, 14 Jun 2006 10:40:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964986AbWFNOks (ORCPT ); Wed, 14 Jun 2006 10:40:48 -0400 Received: from anchor-post-30.mail.demon.net ([194.217.242.88]:53264 "EHLO anchor-post-30.mail.demon.net") by vger.kernel.org with ESMTP id S964987AbWFNOks (ORCPT ); Wed, 14 Jun 2006 10:40:48 -0400 Message-ID: <44901FC2.7040600@superbug.co.uk> Date: Wed, 14 Jun 2006 15:40:02 +0100 From: James Courtier-Dutton User-Agent: Thunderbird 1.5.0.2 (Windows/20060308) MIME-Version: 1.0 To: Jason CC: linux-kernel@vger.kernel.org Subject: Re: SO_REUSEPORT and multicasting References: <20060613192420.49742.qmail@web53603.mail.yahoo.com> In-Reply-To: <20060613192420.49742.qmail@web53603.mail.yahoo.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Jason wrote: > I wrote a program that uses multicasting to send data. > It works great on HP-UX but does not work on Fedora > Core 5. I emailed the fedora list but they were of > little to no help. > > Does the kernel support SO_REUSEPORT? If so can > anyone give me some suggestions why my program does > not work on Linux? I did a route add -net 224.0.0.0/4 > dev eth0 but that did not do anything. > > Thanks, > Jesse > > That address is a multicast address, and therefore needs to go in the multicast routing table, and not the unicast one. You are using a command that only modifies the unicast table. James