[ovs-discuss] OVS port name differ from interface name

[Ben Pfaff]

Maybe you want it to be an "internal" port:
        ovs-vsctl set interface <name> type=internal

On Thu, Jan 18, 2018 at 02:17:03PM +0100, Riccardo Ravaioli wrote:
> Hi Ben,
> 
> I have a related question. I do the following in order to have a bridge br
> with ports 0.br, 1.br... and later add existing interfaces to such ports:
> 
> ovs-vsctl add-br br
> ovs-vsctl add-port br 0.br
> ovs-vsctl --id=@ifce create interface  name=eth1 -- set port 0.br
> interface=@ifce
> 
> When I execute the "ovs-vsctl add-port' command above I get an error saying
> that 0.br doesn't correspond to any interface:
> *ovs-vsctl: Error detected while setting up '0.switch5': could not open
> network device 0.switch5 (No such device).*
> 
> Can I pass an argument to "ovs-vsctl add-port" to tell OVS that 0.br is
> just a switch port and not a real existing interface?
> 
> 
> ______
> 
> 
> On 15 January 2018 at 20:19, Ben Pfaff <blp at ovn.org> wrote:
> 
> > On Mon, Jan 15, 2018 at 09:50:52AM -0800, Fred Licht wrote:
> > >    Is it possible to have an OVS port ‘name’ differ from the interface
> > name?
> > >
> > >     Bridge ovs-ha-sw
> > >         Port ovs-ha-sw
> > >             Interface ovs-ha-sw
> > >                 type: internal
> > >         Port "bond1"
> > >             Interface "bond1"
> > >
> > > To have the effect of:
> > >
> > >     Bridge ovs-ha-sw
> > >         Port ovs-ha-sw
> > >             Interface ovs-ha-sw
> > >                 type: internal
> > >         Port “east-west"
> > >             Interface "bond1"
> >
> > You can do it, but since port names are immutable it has to happen at
> > the time you add the port.  For example:
> >
> > blp at sigabrt:~/nicira/ovs/tutorial(0)$ ovs-vsctl add-br br0
> > blp at sigabrt:~/nicira/ovs/tutorial(0)$ ovs-vsctl add-port br0 p0 -- set
> > port p0 name=asdf
> > blp at sigabrt:~/nicira/ovs/tutorial(0)$ ovs-vsctl show
> > 8b75cccb-f1eb-4e75-ac67-57ebac4e8432
> >     Bridge "br0"
> >         Port "br0"
> >             Interface "br0"
> >                 type: internal
> >         Port asdf
> >             Interface "p0"
> > blp at sigabrt:~/nicira/ovs/tutorial(0)$
> > _______________________________________________
> > discuss mailing list
> > discuss at openvswitch.org
> > https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
> >

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