The router instance the NMS wants to manage in the current SNMP request. The value of this object, when attaching a variable instance of the rlSnmpRequestManagedMridTable to an SNMP request, will determine the managed Mrid for this request. It is important to mention that the variable insance must be attached as the first variable in the PDU in order to influence all variables.
Sources for this description
Multiple manufacturers; see the original MIB MIB copies (LibreNMS/Observium Community)Dell MIB copies (LibreNMS/Observium Community)Netdisco MIB archive copiesNETGEAR official product and EOL MIB downloads