This command is available to Administrators.
create /SP/services/snmp/users/username authenticationprotocol=[MD5|SHA] authenticationpassword=password permissions=[ro|rw] privacyprotocol=[DES|none] privacypassword=password
authenticationprotocol - MD5 or SHA
authenticationpassword - enter the Authentication password for your SNMP environment.
permissions - ro (Operator) or rw (Administrator)
privacyprotocol - DES or none.
privacypassword - enter the Privacy password for your SNMP environment.