To enable a managed FortiSwitch to accept SNMP requests from any source, the relevant configuration would involve setting up access on the management interface specifically to permit SNMP traffic. Based on the provided options:
Add SNMP service on the management interface of the switch (Option D): This configuration change directly targets the interface responsible for management traffic, which includes SNMP communications. By enabling SNMP service on this interface, SNMP requests from any source can be processed, assuming no other restrictive ACLs or firewall rules are in place that would block such requests.
Reference:
Typically, enabling SNMP on a device's management interface is straightforward and involves specifying the SNMP version, community strings, and permitted sources. This setting allows the device to process SNMP queries and send SNMP traps as configured.