[ovs-dev] [PATCH] ovs-vsctl: Allow "fake bridges" to be created for VLAN 0.

Jesse Gross jesse at nicira.com
Fri Mar 16 16:03:23 PDT 2012


On Fri, Mar 16, 2012 at 1:13 PM, Ben Pfaff <blp at nicira.com> wrote:
> diff --git a/utilities/ovs-vsctl.8.in b/utilities/ovs-vsctl.8.in
> index 0d858a1..57f76d5 100644
> --- a/utilities/ovs-vsctl.8.in
> +++ b/utilities/ovs-vsctl.8.in
> @@ -69,7 +69,8 @@ When such a ``fake bridge'' is active, \fBovs\-vsctl\fR will treat it
>  much like a bridge separate from its ``parent bridge,'' but the actual
>  implementation in Open vSwitch uses only a single bridge, with ports on
>  the fake bridge assigned the implicit VLAN of the fake bridge of which
> -they are members.
> +they are members.  (A fake bridge for VLAN 0 receives packets that
> +have no 802.1Q tag or a tag with VLAN 0.)

How do we handle this situation?  The meaning of vlan 0 can be
ambiguous - some drivers consider it to mean the same thing as
untagged and some consider it to be a vlan just like any other.  Do we
actually do anything to deal with this?



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