This is actually an OpenFlow question, and is answered in the OpenFlow
specification (although not as clearly as it might be):
"Replace the existing IP source address with new value and update the IP
checksum (and TCP/UDP checksum if applicable)."
-- Murphy
On Nov 20, 2010, at 11:10 AM, Rohit Manohar wrote:
> I want to change the IP address of a flow. For this I am using actions =
> [[openflow_SET_NW_SRC, ip]]. I want to know what happens to the checksum? If
> is recalculated automatically or I have to call a function to do it?
>
> Regards,
>
> --
> Rohit Manohar
> Graduate Student
> North Carolina State University
> Raleigh, US.
>
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