[ovs-dev] IPv6 rewrite support

[Jean Tourrilhes]

On Thu, Jun 23, 2011 at 01:25:46AM -0700, Justin Pettit wrote:
> You are correct that we don't have support for rewriting.  Do you
> have a use-case?  As you know, OpenFlow has support for IPv4 address
> rewriting, but I haven't found great use-cases for that.  NAT comes
> to mind, but that often carries a bunch of other baggage (e.g., ARP
> resolution) that seems to make it less useful.  L3 address rewriting
> also seems to have limited support in the hardware ASICs that I've
> seen.
> 
> It probably wouldn't be hard to add, but I'd be genuinely interested
> to know how people are using it.
> 
> Thanks,
> 
> --Justin

	OpenFlow defines IPv4 header rewrite, and you probably already
support rewriting L2 addresses in IPv6 packets. It would seem logical
to offer IPv6 header rewrite when we include IPv6 in the spec, so
that's why I'm asking to see if there is practical problems.
	Thanks a lot !

	Jean