Security level (-SECURITYLEVEL or -L) Use the security level (-SECURITYLEVEL or -L) adapter command to set the level of security for communication in the SNMPv3 network, as specified in the dtx.uacl file. OptionDescription security_level One of the following values: 0 No authentication and no privacy (noAuthNoPriv). 1 Authentication and no privacy (authNoPriv). 3 Authentication and privacy (authPriv).