It would be nice if the SNMP scan tool would perform a ping to ensure a device is reachable before attempting to SNMP poll it. I noticed the SNMP scan takes a long time due to multiple unreachables within a given subnet.
Also noticed if you ping sweep a subnet and then also perform an SNMP scan on it, both entries show up in the device database separately. This could be perhaps because the DNS does not match the hostname (FQDN vs short name) and therefore creates two entries. Assuming the IP is the same, duplicates should not occur.
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