[ovs-dev] [PATCH v10 2/2] ovn-northd: Add logical flows to support native DHCP

Numan Siddique nusiddiq at redhat.com
Thu Jun 9 00:10:36 UTC 2016


Thanks Dani for testing the patches.
Regards
Numan
On Jun 9, 2016 12:25 AM, "Ramu Ramamurthy" <ramu.ramamurthy at gmail.com>
wrote:

> I tested and verified this patchset using the corresponding WIP
> openstack dhcp patch.
> native-dhcp works end-to-end as advertized - I tested with the default
> dhcp-options
> that are used when VMs boot.
>
> On Mon, Jun 6, 2016 at 10:49 PM, Numan Siddique <nusiddiq at redhat.com>
> wrote:
> > OVN implements a native DHCP support which caters to the common
> > use case of providing an IP address to a booting instance by
> > providing stateless replies to DHCP requests based on statically
> > configured address mappings. To do this it allows a short list of
> > DHCP options to be configured and applied at each compute host
> > running ovn-controller.
> >
> > A new table 'Subnet' is added in OVN NB DB to store the DHCP options.
> >
> > For each logical port following flows are added if the CMS has defined
> > DHCP options in the 'Subnet' column
> >
> >  - A logical flow which copies the DHCP options to the DHCP
> >    request packets using the 'put_dhcp_opts' action and advances the
> >    packet to the next stage.
> >
> >  - A logical flow which implements the DHCP reponder by sending
> >    the DHCP reply back to the inport once the 'put_dhcp_opts' action
> >    is applied.
> >
> > Signed-Off-by: Numan Siddique <nusiddiq at redhat.com>
>



More information about the dev mailing list