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(racoon 561) Re: Configuration of ipv4-v6 tunnel.



> Hi all.
> 
> I am trying to setup IPv4-in-IPv6 esp tunnel
> using freebsd4.9 with kame patch.
> Then I have some issues.
> 
> 1. Is it possible to create IPv4-in-IPv6 SA
>    with esp tunnel mode using racoon?

	no, KAME kernels do not support IPv4-in-IPv6 (or vice versa) SAs.
	if you need to do that, your option might be
	- setup gif(4) tunnel
	- protect it by transport mode IPsec
	however it won't work with other box (IKE negotiation mode will not
	match - transport and tunnel).

itojun