Ole, Got it. I did go through udp local code previously and found we are doing only UDP dear port based and error handling in the node.
Anyway , Thankyou so much for responding patiently. Thanks Shiva On Thu, 2 Jan 2020 at 18:11, <otr...@employees.org> wrote: > Hi Shiva, > > > Forgot to add "reply-all", My apologies. > > > > Ole, > > >>> Right, so if you do not want to accept UDP zero checksum packets in > your application, add the check in your code. > > I Agree. Just curious to know the design choice. > > > > So, by design, VPP hands over the UDP packet to "registered node" > irrespective of the payload. > > Is that correct? > > Yes that's correct. The UDP dispatcher can obviously not know anything > about the UDP payload. > There is very little to UDP. The VPP local IP handling only provides a > demux point based on the destination port. > And IP reassembly. > The rest is up to the UDP application. > > https://git.fd.io/vpp/tree/src/vnet/udp/udp_local.c#n57 > > Best regards, > Ole
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