On 02/05/2012 10:17 AM, Robert Spangler wrote: > On Saturday 04 February 2012 19:18, the following was written: > >> On 02/03/2012 11:56 PM, Robert Spangler wrote: >> > On Friday 03 February 2012 09:10, the following was written: >> >> On 02/03/2012 08:07 AM, Mihamina Rakotomandimby wrote: >> >> > Hi all, >> >> > >> >> > Having a 4 NIC server, I want to bridge eth2 and eth3, with a >> >> > bridge named br0. >> >> > >> >> > Searching the web I only found about creating a file >> >> > /etc/sysconfig/network-scripts/ifcfg-br0, but did not find where >> >> > to explicitely list what ports will be bridged. >> >> > >> >> > Where is it configured? >> >> > >> >> > Thank you. >> >> >> >> All packets appear on both interfaces, unless you use >> >> ebtables/iptables to restrict them. >> > >> > Really? Only hubs present packets to all interfaces. Linux work as a >> > router not a hub. >> >> A network bridge connects multiple network segments at the data link layer >> (Layer 2) of the OSI model. In Ethernet networks, the term bridge formally >> means a device that behaves according to the IEEE 802.1D standard. A bridge >> and a switch are very much alike; a switch being a bridge with numerous >> ports. Switch or Layer 2 switch is often used interchangeably with bridge. > The OP was asking for help on configuring bridging. You reply made it sound > like it wasn't necessary as "All packets appear on both interfaces". That > statement is false unless it has been configured that way. Which at that > point in time we can assume that the OP hasn't configured it, thus the > question. > > Nice textbook definition btw. > Hi Robert, I guess I misread his question - I thought he had the bridge setup and was asking about how to specify what tcp/udp ports would be bridged. My bad. Regards, Steve -- Stephen Clark *NetWolves* Director of Technology Phone: 813-579-3200 Fax: 813-882-0209 Email: steve.clark at netwolves.com http://www.netwolves.com