[strongSwan] How to sync the SN in SA in the backup server?

Martin Willi martin at strongswan.org
Wed Nov 16 13:18:42 CET 2011

> So I want to know weather there is a way to know the SN in the
> outbound SA? Is there a IKE information message carrying such payload?
> Or is it a way to back up the SN very conveniently?

There is an IKEv2 extension [1] that add client synchronization
functionality, but we don't support it. We have our own ClusterIP based
HA solution that does not need a protocol extension, see [2].



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