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While RADIUS is the primary protocol for enforcement, ClearPass can also use SNMP to write configuration changes to a switch. For this to function, the target switches must have SNMP Read/Write services enabled and configured with the correct community strings or credentials that match the settings in ClearPass. This allows ClearPass to manually change the VLAN on a specific port after a successful authentication event.

While email utilizes standard SMTP, SMS requires integration with a specialized provider. To enable SMS receipts, the administrator must navigate to Messaging Setup and configure an SMS Gateway (such as Twilio or Syniverse). Once the gateway is active, ClearPass can be configured to trigger notifications to both delivery channels for the same registration event.

To send SMS notifications, ClearPass must have a configured SMS Gateway (typically found under the Guest module's configuration). Once the gateway is functional, the ClearPass Insight reporting engine can be configured to trigger a notification to a specific phone number or administrator group whenever a scheduled report is generated or a system alert is triggered.