Configuration payload is an Internet Key Exchange version 2 (IKEv2) feature used to propagate provisioning information from a responder (or server) to an initiator (or client).

IKEv2 configuration payload may be used to propagate provisioning information from an IKE responder, such as an SRX Series device, to multiple initiators, such as LTE pico cell base stations in a cellular network

Please refer to following sections for an overview of Configuration Payload for Pico Cell deployments:

Understanding IKEv2 Configuration Payload & Understanding Pico Cell Provisioning

Please refer to following for configuration example on use of Configuration Payload for Pico Cell deployments:

Configuring a Route-Based VPN for IKEv2