This read-write integer selects which authentication method or methods, 802.1X, MAC-based, web-based, or combinations, should trigger an SNMP trap whenever a session using that method successfully authenticates. An administrator configures this to receive success-notification traps scoped to specific authentication methods of interest, rather than an all-or-nothing setting. For example, setting this OID to webOnly means the switch will send success traps only for captive-portal web logins, staying silent for routine 802.1X supplicant authentications.