Using rightsubnet=0.0.0.0/0seems to be working.

On 10/29/2014 04:08 PM, Michael C. Cambria wrote:
Hi,

Is host to host supported when one side is behind NAT? I'm using strongSwan U5.1.2/K3.13.0-35-generic on Ubuntu 14.04 and IKEv2


The configuration below only works when I explicitly tell the server what the IPv4 address is of the client that is behind NAT. e.g. I uncomment "rightsubnet=10.1.2.189/32", where 10.1.2.189 is the IP address behind NAT.

Server side:

conn S1
        left=public-ip-address
        leftcert=Cert.pem
        leftfirewall=yes
        right=%any
        rightid=@[email protected]
        #rightsubnet=10.1.2.189/32
        auto=add

Client (initiator) behind NAT side:

conn C1
        left=%defaultroute
        leftcert=Cert1.pem
        leftfirewall=yes
        right=public-ip-address
        rightid=@[email protected]
        auto=add


I don't always know what the IP address will be, otherwise I'd just specifiy it in the config. NAT seems to be detected, port 4500 is used and keep-alive sent.

Does soemthing else need to be enabled for this to work auto-magically?

Thanks,
MikeC



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