This function is only supported by S5720-EI, S5720-HI, S5730-HI, S5731-H, S5731-S, S5731S-H, S5731S-S, S5732-H, S6720-EI, S6720-HI, S6720S-EI, S6730-H, S6730S-H, S6730-S, and S6730S-S.
To disable this function for some reasons, for example, high CPU usage caused by collecting statistics about the NMS accessing MIB objects, run the snmp-agent statistics mib disable command.