On Mon, Nov 12, 2012 at 04:28:57PM +0800, can. wrote:
> Hi there,
>
> I'm new to Open vSwitch and I have some questions:
>
> 1. How is the IPv6 support of the switch?
> My group needs to manipulate IPv6 flows and I noticed there's a
> "openflow 1.x plans" page mentioning IPv6 support. So what's the
> current status of IPv6 support for openflow protocol? If it's not
> fully supported yet, I hope I can do something.
IPv6 is supported. Matching on IPv6 extension headers, as specified in
later versions of OpenFlow, is not, but that's an advanced feature that
ordinary use doesn't normally need.
> 2. The "ovs-ctl" commands seem to have overlaps with each other.
> As I'm reading the documents, I find that the dpctl,vsctl,appctl and
> ofctl commands have some similar functionalities. For example, the
> dpctl add-dp and vsctl add-br. Are these commands equal or should they
> be used under different circumstances? Do I miss something important?
This is documemented. e.g. in ovs-dpctl(8):
If ovs-vswitchd(8) is in use, use ovs-vsctl(8) instead of ovs-dpctl.
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