To limit discovered systems by vendor, you can filter by the enterprise OID. The filter that is shown in Filtering by OID matches only systems of type Switch that have an OID of .1.3.6.1.4.9, which is the enterprise OID for systems that are made by Cisco Systems, Inc.

Table 1. Filtering by OID

Discovery filter field

Value

IP Address Range

*.*.*.*

System Name

*

System Description

*

SystemOID

.1.3.6.1.4.1.9.*

System Types

Switch