Github user swill commented on the issue:
https://github.com/apache/cloudstack/pull/872
@serg38 Inline...
`plutostart=no` will do nothing. I need to remove that, I just have not
gotten around to cleaning that up. That config option no longer is even picked
up: https://wiki.strongswan.org/projects/strongswan/wiki/CharonPlutoIKEv1
`keyexchange=ikev2` I have tried this, but that has much bigger
implications because ACS uses PSK and we don't have the corresponding UI or API
to configure the details for `IKEv2`. If we want to support `IKEv2`, we need
to do a more complete overhaul of how ACS configures IPSec on the VR.
Note that I have been able to get the config working with Windows as per my
post above...
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