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Re: the tunnel mode who change address family.
Shoichi,
>Is there a IP packet applied the tunnel mode of ESP or AH
>whoes outer header is IPv6 and inner header is IPv4,
>and is there the reverse that ?
>
>e.g.
> [IPv6][ESP][IPv4][upper]
> [IPv4][AH][IPv6][upper]
>
>If existence, Where are any field copied ?
Section 5.1.2 of the Architecture Document provides guidance on what fields
are copied to the outer headers from the inner headers under these mixed
version circumstances.
Steve
References: