[strongSwan] PIv6 over IPv4 Tunnel

Michael Schwartzkopff ms at sys4.de
Wed Jan 14 10:24:06 CET 2015


I have a IPv4 transport network. so moon (responder) and carol machines have 
IPv4 adresses. The IPv4 IPsec tunnel works.

Can I assign IPv6 addresses to my carol host? Something like

  rightsourceip =,2001:db8::0/120

on my moon machine and


on the carol machine?

During tunnel setup I see that the carol machine gets the IPv6 addresses 
pushed correctly but the moon machine (server) cannot ping6 carol (client): 

connect: Network is unreachable.

I don't see any routing and transform entries for the ipv6 address of carol.

Any ideas?

Mit freundlichen Grüßen,

Michael Schwartzkopff

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