On Mon, Oct 21, 2013 at 11:05:37PM +0200, Marco Canini wrote: > Imagine I want to have a rule that for every matching packet modifies > just the first byte of the dst ETH address and leaves the rest as is. > Can I do this in OpenFlow? > Since version 1.2, set-field uses OXM field value+mask types. However, > reading from the specs, I am not clear whether the combination of > set-field and an OXM field value+mask allows for fine-grained > modifications of header fields.
I don't think you can do this with standardized OpenFlow. The set-field action always sets the whole field The Open vSwitch NXAST_REG_LOAD action can modify part of a field, so you can do this with Open vSwitch. _______________________________________________ openflow-discuss mailing list openflow-discuss@lists.stanford.edu https://mailman.stanford.edu/mailman/listinfo/openflow-discuss
