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We are testing strongswan from aws to a cisco ASA: no matching CHILD_SA config found

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We are trying to build a VPN from a strong wan (in an ubuntu server in AWS) to our Cisco ASA in our Office network. In the ASA we have a server (private ip 172.16.3.7 natted to a Public IP: 66.172.xxx.71); in the strong swan something similar: private IP 10.0.101.11 natted to 3.22x.xx.180. Phase I is up but not phase II: error: no matching CHILD_SA config found for 66.172.xxx.71/32 === 3.22x.xx.180/32

Configuration in the strong swan: conn vpn_tunnel11 also=wuikesettings #leftfirewall=yes left=3.22x.xx.180 leftid=3.22x.xx.180 leftsourceip=10.0.101.11 right=66.172.xxx.71 rightid=66.172.xxx.71 rightsourceip=172.16.3.7 auto=route

Note 1: In wuikesettings we have the routers configs, they are fine: phase I is up Note 2: I tested the configuration in the asa against a cisco router: it works. Regards, Rafael Frometa

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