Looks good.

Ethan

On Tue, Dec 20, 2011 at 10:43, Ben Pfaff <b...@nicira.com> wrote:
> Requested-by: Hao Zheng <hzh...@nicira.com>
> ---
>  vswitchd/vswitch.xml |   20 ++++++++++++++++++--
>  1 files changed, 18 insertions(+), 2 deletions(-)
>
> diff --git a/vswitchd/vswitch.xml b/vswitchd/vswitch.xml
> index 84d91da..2f9a534 100644
> --- a/vswitchd/vswitch.xml
> +++ b/vswitchd/vswitch.xml
> @@ -372,8 +372,20 @@
>
>     <group title="OpenFlow Configuration">
>       <column name="controller">
> -        OpenFlow controller set.  If unset, then no OpenFlow controllers
> -        will be used.
> +        <p>
> +          OpenFlow controller set.  If unset, then no OpenFlow controllers
> +          will be used.
> +        </p>
> +
> +        <p>
> +          If there are primary controllers, removing all of them clears the
> +          flow table.  If there are no primary controllers, adding one also
> +          clears the flow table.  Other changes to the set of controllers, 
> such
> +          as adding or removing a service controller, adding another primary
> +          controller to supplement an existing primary controller, or 
> removing
> +          only one of two primary controllers, have no effect on the flow
> +          table.
> +        </p>
>       </column>
>
>       <column name="fail_mode">
> @@ -406,6 +418,10 @@
>         <p>When more than one controller is configured,
>         <ref column="fail_mode"/> is considered only when none of the
>         configured controllers can be contacted.</p>
> +        <p>
> +          Changing <ref column="fail_mode"/> when no primary controllers are
> +          configured clears the flow table.
> +        </p>
>       </column>
>
>       <column name="datapath_id">
> --
> 1.7.2.5
>
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