[ovs-discuss] how to initialize openvswitch in listen mode

[Ben Pfaff]

Please read the ovs-ofctl manpage.  It explains all the allowed forms
at the very top.

Of course a Unix socket doesn't work on another machine.  Add a
"ptcp:" controller to access OpenFlow over TCP from another machine.

On Mon, Sep 12, 2011 at 03:43:25PM -0700, Aishwarya wrote:
> Hi Ben,
> 
> That is correct. Right now, I am doing it from the same machine running
> vswitchd. The ofctl doc says the argument should be show *switch*
> 
> and the methos of connection seemed to me like I need to give the switch
> argument as unix:... or tcp:.... . Is my understanding wrong? (is it
> different if I need to connect to the switch from a different machine?)
> 
> Thanks,
> Aish
> 
> On Mon, Sep 12, 2011 at 3:38 PM, Ben Pfaff <blp at nicira.com> wrote:
> 
> > It sounds like you want to use ovs-ofctl from the same machine running
> > ovs-vswitchd.  There's already a unix socket for that.  Just give the
> > name of the bridge, e.g. "ovs-ofctl show br0".
> >
> > On Mon, Sep 12, 2011 at 03:37:19PM -0700, Aishwarya wrote:
> > > Hi Ben,
> > >
> > > Passive tcp socket should be fine. I know the ptcp option lets you do
> > this.
> > > But I am not sure which command to use it with. For eg: I use the unix
> > > socket option with ovsdb-server command so that vswitchd can connect to
> > teh
> > > database server. Now, ofctl needs to connect to the switch. So, which
> > > command do I use the ptcp option with so that the switch is listening on
> > a
> > > tcp port that ofctl can connect to. Right now, when i do an ofctl show
> > > tcp:127.0.0.1, i get a connection refused error.
> > >
> > > Thanks,
> > > Aish
> > >
> > > On Mon, Sep 12, 2011 at 3:32 PM, Ben Pfaff <blp at nicira.com> wrote:
> > >
> > > > On Mon, Sep 12, 2011 at 03:29:38PM -0700, Aishwarya wrote:
> > > > > The ovs-ofctl uses either a unix socket or tcp port to connect to the
> > > > open
> > > > > flow switch. When I start the openvswitch process, which command do i
> > use
> > > > to
> > > > > set the switch in the listen mode so that ofctl can connect to it?
> > > >
> > > > Do you want to connect to ovs-ofctl over a unix socket or a tcp
> > > > socket?
> > > >
> >