From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tim Nelson Subject: Re: Bridging / VLANs / ebtables Date: Mon, 22 Dec 2014 09:24:14 -0600 (CST) Message-ID: <14852223.382712.1419261854310.JavaMail.root@rockbochs.com> References: Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: netfilter-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" To: netfilter@vger.kernel.org ----- Original Message ----- > I get the scenario but not the why. Is it a subset of specific things > you need to do a layer 2 bridge for or do you need it for something > else. > > For example I have a firewall where I need to forward broadcast > (255.255.255.255,xxx.xxx.xxx.255) messages between different segments > in the network. Most people would think of bridging for this but I > did > something completely different involving setting both interfaces to a > /32, adding a static route for each subnet, adding a static arp table > entry on each interface for the broadcast IP addresses mapped to the > broadcast mac addresses then simple iptables rules. > Greetings Paul- I believe you mentioned this previously. While the mechanism is 'different', does the end result still operate the same, allowing a device on one interface to have an IP from the other interface, and still operate as though a bridge was in place? Thank you, --Tim