Statement introduced in Junos OS Release 8.5. Support for the optimized and probe-idle-tunnel options added in Junos OS Release 12.1X46-D10.
Enable the device to use dead peer detection (DPD). DPD is a method used by devices to verify the current existence and availability of IPsec peers. A device performs this verification by sending encrypted IKE Phase 1 notification payloads (R-U-THERE messages) to a peer and waiting for DPD acknowledgements (R-U-THERE-ACK messages) from the peer.
Default: 10 seconds
Range: 2 through 60 seconds
Range: 1 through 5
Required Privilege Level
security—To view this statement in the configuration.
security-control—To add this statement to the configuration.