SNMP V3 discovery is recommended as this offers the highest level of security. In order to discover via SNMP V3 you must: 

  1. Specify a SNMP V3 username
  2. Select the SNMP V3 Authentication Protocol (MD5 or SHA)
  3. Specify an Authentication Passphrase
  4. Select the SNMP V3 Privacy Protocol (DES or AES128)
  5. Specify the Privacy Passphrase