[ovs-discuss] Default datapath_type of Bridges

[Ben Pfaff]

On Mon, Dec 10, 2018 at 10:01:48PM +0000, Tobias Hofmann -T (tohofman - AAP3 INC at Cisco) via discuss wrote:
> Hi,
> 
> I noticed that the property datapath_type of a freshly created bridge is by default empty. In order to support DPDK, I have to set the datapath_type to netdev.
> 
> Now when I want to disable DPDK, I try to remove the datapath_type
> again which fails saying that datapath_type cannot be empty.

Can you show us the command you ran and the error message?

> This is weird since the datapath_type is initally empty after creating
> the bridge from scratch.
> 
> I saw that there is also the option to set the datapath_type to system which is apparently the default setting.
> So my question is whether the type system is technically the same as no entry for the datapath_type at all.
> If so, wouldn’t it make sense to set the datapath_type as system after bridge creation instead of leaving it empty.

The empty string and "system" are synonyms, so there's no reason to
prefer one or the other.