Ok, as for the second part, yes, there should be no records made against interfaces with no IP addresses whatsoever. My guess is that what you are seeing is that there's a list of IP addresses from the Dynamic ranges, and may have a stale record.
Ok, as for the second part, yes, there should be no records made against interfaces with no IP addresses whatsoever. My guess is that what you are seeing is that there's a list of IP addresses from the Dynamic ranges, and may have a stale record.