[ovs-dev] [PATCH ovn v2] ovn-northd: Optionally skip the check of lsp_is_up.

Han Zhou hzhou at ovn.org
Wed Sep 9 21:27:26 UTC 2020


On Wed, Sep 9, 2020 at 4:15 AM Numan Siddique <numans at ovn.org> wrote:
>
> On Wed, Sep 9, 2020 at 2:52 AM Han Zhou <hzhou at ovn.org> wrote:
> >
> > The checking of lsp "up" status before adding ARP responder flows was
> > added to avoid confusion in cases when a network admin sees ARP response
> > for VM/containers that is not up on chassis yet. However, this check
> > introduces an extra round of flow change in SB and triggers computes
> > on hypervisors which is unnecessary cost in most cases, especially for
> > large scale environment. To improve this, this patch provides an option
> > ignore_lsp_down to disable the check for the use cases when ARP reponse
for a
> > port that is "down" isn't considered harmful.
> >
> > Acked-by: Numan Siddique <numans at ovn.org>
> > Signed-off-by: Han Zhou <hzhou at ovn.org>
> > ---
> > v1 -> v2: change the option from "check_lsp_is_up" to "ignore_lsp_down"
as
> >           suggested by Numan.
>
>
> Hi Han,
>
> The patch LGTM.
>
Thanks Numan. I applied this to master.


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