After announcing v1.1.5 with the new Switch Topology report, quite a few folks wrote in to ask if this feature was available in SNMPv3 environments. As of this evening, the answer is yes. To leverage SNMP v3 credentials in a Rumble scan, set the following options in the Advanced Options section of the Scan Configuration screen.
Depending on your environment, these settings may require some tweaking. The standard security levels of NoAuthNoPriv, AuthNoPriv, and AuthPriv map to these options as follows: