[ovs-discuss] a question about the interface type change

Ben Pfaff blp at ovn.org
Thu Mar 14 16:46:23 UTC 2019

On Thu, Mar 14, 2019 at 03:12:03PM +0000, pei Jikui wrote:
> I have a question regarding to the ovs' interface type.
> For example, we have added an port tap1 into the ovs bridge as the default type of interface, system as designed.
> The command line is " ovs-vsctl add-port br0 tap1"
> If we change the interface tap1's type to internal via the command link "ovs-vsctl set interface tap1 type=internal".

This will try to create a system internal device called tap1.  It won't
work properly because there's already a system tap device named "tap1"
and will thus cause a name conflict.  Thus, it's a bad idea and unlikely
to do anything useful.

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