[CentOS] configure network bridge listing bridged intefaces

Sun Feb 5 00:09:59 UTC 2012
Ross Walker <rswwalker at gmail.com>

On Feb 3, 2012, at 11:56 PM, Robert Spangler <mlists at zoominternet.net> 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.

It would be intetesting to know if the bridging in Linux is routed, switched or repeated.

It would be nice if it were switched, but I suspect it's repeated (like a hub).

-Ross