In the state diagram in RFC2461-bis in Appendic C, page 79, the event of receiving a NA with solicitated = 1 and Override = 0 in state DELAY is not handled. To my understanding the same treatment as in state STALE or PROBE has to be applied. To me it also seems, that the state DELAY can be treated to equal to PROBE, only the start of timer in state STALE has to use another timing value as starting the timer uppon timeout in PROBE state. In my model entering the PROBE state does not send NS, but only starts the delay timer. This can be done without changing behavior, maybe state DELAY should be dropped. Best regards Peter
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