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Network Scanner: technical questions and how-to
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Scanning a different subnet is similar to scanning the local subnet, except the Address Resolution Protocol (ARP) used for resolving IP addresses to MAC addresses does not work across subnets. The re...
It is possible to resolve MAC addresses in a different subnet if the router between the subnets exposes its ARP cache via SNMP. In this case the Network Scanner can pull the router's ARP tables and ma...