[strongSwan] what does multiple ESTABLISHED staet for a connection mean

Martin Willi martin at strongswan.org
Fri Jun 22 10:17:40 CEST 2012


> I am debugging an issue and was wondering what these multiple
> ESTABLISHED states mean and if they have any detrimental effect. I
> assume these imply there are multiple child SA’s ?

This means that you have two IKE_SAs established between your peers.
Might happen if both configurations use auto=start, or auto=route
triggers tunnels simultaneously. Have a look for the "uniqueids" option
in the ipsec.conf manpage to avoid multiple tunnels between the same


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