[ovs-dev] switch local port

[Ben Pfaff]

On Fri, Feb 11, 2011 at 06:05:08PM +0100, Gaetano Catalli wrote:
> I have some doubts to resolve about switch local port.
> Firstly, in the ovs-openflowd manpage I can read: "...The Open???Flow
> local port is a virtual network port that ovs-openflowd bridges to the
> physical switch ports...". I'm searching through the sources but I
> can't find out where this bridging operation is realised. Can you
> kindly show it to me? I'm working on the 1.1.0pre2 code version.

vswitchd/bridge.c

> Moreover, I don't understand which exactly is the role played by this
> virtual device and in which cases it is used. Can you explain me it?

If you want to configure an IP address for the bridge, you put that IP
address on the local port.  (This is the same role as with the Linux
bridge.)