[Swan] ipv4 and ipv6

[Paul Wouters]

On Wed, 6 Jul 2022, Ian Willis wrote:

> What's the best practice approach to managing dual stacks in libreswan for mobile clients?
> In some environments only ipv4 or ipv6 is available and in others a dual stack is available.
> 
> The terminating server has dual stack and services may be both ip4 or 6

Currently, addresspool support is only there for IPv4. We are working on
adding IPv6 support as well as multiple address family support at the
same time within a single IPsec SA (for IKEv2)

We hope to release that in libreswan 4.8

Paul