On Thu, Mar 27, 2014 at 11:34 AM, Erik Nordmark <[email protected]> wrote:
> > On 3/21/14 9:25 AM, Tom Herbert wrote: > >> 7) In a large network bit errors, HW failures, SW bugs are common >> occurrences. It's problematic that in VXLAN and nvgre even a single >> bit error in the vni could misdirect a packet to the wrong VM (no CRC >> or checksum protects vni). > > > It sounds like we need some approach to be able to avoid misdelivering > packets if there is a bit error in the vni field. > I suspect there might be multiple approaches (UDP-lite covering the NVO3 > header, header checksum field in the NVO3 header). > I must be missing something...why is the CRC of the received Ethernet frame not enough? That does cover the VNI along with the rest of the packet. When an NVE receives a packet, if it experiences a CRC error, it should be discard the frame and not try to decap it.
_______________________________________________ nvo3 mailing list [email protected] https://www.ietf.org/mailman/listinfo/nvo3
