System Security Access Password and this is only allowed to use for setting but not for reading. An SNMP-Get will get an null string. By default, this object needs to be in the same PDU while doing Set operation some critical SNMP objects. If command 'no snmp-server pw-check' is configured on the device, then this object is not needed in the PDU. The value of this object depends on the authentication method configured for SNMP. If there's no AAA authentication configuration for SNMP, this object will have the enable superuser password. If the AAA authentication for SNMP is configured and has leading method as enable or line, this object will have the corresponding enable or line password. If the switch has AAA authentication for SNMP operation, and the method specified is one of local, TACACS+, or RADIUS, this object will have format ' ' (note one space character in between). The max size allows concatenation of max 48 octets of username and 48 octets of password, with one blank character