What is the default lKE keepalive time in cisco ASA

Cisco says that by default IKE keepalive time is enabled in Cisco ASA. So what is the default lKE keepalive time in cisco ASA.

Hi Bro
Yes, you’re correct. Lifetime is a period when a VPN gateway rekeys just before the time expires. During the typical life of the IKE Security Association (SA), packets are only exchanged over this SA when an IPSec quick mode (QM) negotiation is required at the expiration of the IPSec SAs. The default lifetime of an IKE SA is 24 hours and that of an IPSec SA is one hour. Hence, if there’s no interesting network traffic that flows through the VPN tunnel for quite a while but the lifetime period is still valid, the VPN tunnel would not go down.
However, there is no standards-based mechanism for either types of SA to detect the loss of a VPN peer, except when the QM negotiation fails. Therefore, by implementing a keepalive feature over the IKE SA, Cisco has provided a simple and non-intrusive mechanism for detecting loss of connectivity between two IPSec peers. The keepalive packets are sent every 10 seconds by default. Once three packets are missed, an IPSec termination point concludes that it has lost connectivity with its peer.
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