The IPAM feature Neighbor Scanning attempts to retrieve the status of a device that may not be responding to ICMP by scanning the ARP table of a neighbor router to see which IP addresses are active.
IPAM first checks if the device is capable of SNMP and supports ARP table:
To check whether SNMP is available, IPAM uses these OIDs:
To check whether the ARP table is available:
The IPNetToMediaTable is pulled for client information. If the device supports this table, then IPAM can work with it.
Under the 188.8.131.52.184.108.40.206 oid IPAM will poll the following subsidary oid's:
A null return indicates the device does not support that MIB.