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When does the firewall cl...

When does the firewall clear an IPSec SA in normal cases?

Created: May 24, 2017 07:17:20Latest reply: May 24, 2017 08:52:01 1351 1 0 0 0

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When does the firewall clear an IPSec SA in normal cases?

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Lucio Created May 24, 2017 08:52:01

Both IKE SAs and IPSec SAs have lifetimes. SA lifetimes include hard lifetime and soft lifetime. The soft lifetime is about 9/10 of the hard lifetime. When the IKE SA soft lifetime expires, a new IKE SA is negotiated to replace the original IKE SA. When the hard lifetime of the original IKE SA expires, the original IKE SA is deleted, regardless of whether the replacement IKE SA is established. If the IPSec SA is established, the IPSec SA is also deleted. If the IPSec SA hard lifetime expires, both the IKE SA and the IPSec SA are deleted.

Besides, if the IKE SA keepalive or DPD function is enabled, the IKE SA and IPSec SA are deleted if the keepalive packets or DPD packets time out.

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