[ovs-discuss] Actions write_metadata and goto_table could not work together

Ben Pfaff blp at nicira.com
Sat Dec 29 22:24:48 UTC 2012


On Sat, Dec 29, 2012 at 12:40:14AM +0000, Jing Ai wrote:
> According to OF spec, goto_table instruction should be the
> last. However, why write_metadata has to be after resubmit action, can
> anyone explain it?

resubmit is an action, so it is part of the Apply-Actions instruction.
write_metadata is an instruction, which is executed after the
Apply-Actions instruction.

The underlying difference is one of the sources of resubmit and
Goto-Table.  Nicira invented resubmit and Goto-Table came from OpenFlow.



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