[strongSwan] IPv6, whole /64 in transport mode

Noel Kuntze noel.kuntze+strongswan-users-ml at thermi.consulting
Mon Jan 20 21:16:30 CET 2020

Hello Victor,

Use a subnet wide transport mode config as shown on the UsableExamples page.

Kind regards


Am 20.01.20 um 17:30 schrieb Victor Sudakov:
> Dear Colleagues,
> If I want to set up an IPSec transport mode connection between two
> hosts, I describe the following connection, and it works:
> conn test-v6
>     left=X:X:X:X::2
>     right=Y:Y:Y:Y::10
>     type=transport
>     authby=psk
>     auto=route
> However, the remote host uses several IP addresses from the Y:Y:Y:Y::/64
> network, not just Y:Y:Y:Y::10. There is the static address, a SLAAC
> address, an RFC4941 outgoing address, may be more...
> 1. How do I configure Strongswan so that the remote side can be any address
> from the Y:Y:Y:Y::/64 network and the connection is still protected?
> 2. What if both the left and right hosts are like this?

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