On Mon, Nov 7, 2011 at 14:36, Bob Lantz <rla...@cs.stanford.edu> wrote:

> Like Ramon, I've also noticed a somewhat annoying issue that if I don't
> set DL_TYPE, dpctl shows an empty or incorrect flow entry.
>
> It seems that you should be able to simply specify L3 or L4 match fields
> via the NOX API, as Ramon is doing, and have everything both work on the
> switch *and* be reported correctly via dpctl, but that doesn't seem to be
> the case at this time.
>

I don't see how you could deterministically provide this "magic".

 - Lets say someone specifies nw_src - did they want the dl_type to be
0x800 or 0x806?  nw_src is a valid field for both ethertypes.
 - How about tp_src and tp_dst?  What ip_proto should we assume that you
are using?
 - How does this work in the face of extensions?

--
Nick
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