From mboxrd@z Thu Jan 1 00:00:00 1970 From: Glynn Clements Subject: Re: Date: Tue, 2 May 2006 22:48:54 +0100 Message-ID: <17495.54214.159131.562055@cerise.gclements.plus.com> References: <954E3479CC27224785179CA04904214D018B6D16@0668-its-exmp01.us.saic.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <954E3479CC27224785179CA04904214D018B6D16@0668-its-exmp01.us.saic.com> Sender: linux-admin-owner@vger.kernel.org List-Id: Content-Type: text/plain; charset="us-ascii" To: "Kirkwood, David A" Cc: linux-admin@vger.kernel.org Kirkwood, David A wrote: > Do I need to enable ip-forwarding for a system to function as an ip > router or is this enabled automatically by routed? If I do need to > manually how do I enable it? If not can I disable it though the routed > or do I just use ipchains / iptables? It can be controlled with: echo 1 > /proc/sys/net/ipv4/ip_forward or: sysctl net.ipv4.ip_forward=1 or, if your system has an /etc/sysctl.conf file, just add: net.ipv4.ip_forward=1 Also, do you actually need to run routed? If you aren't sure, the answer is probably no. -- Glynn Clements