>I have a question on the transport of IPv6 over PPP and ethernet interfaces:
>
>* IPv6 over PPP: Looking into RFC 2472 I understand that IPv6 and
>IPv4 packets have a different PPP protocol number. However, are
>there any implementations that use the same PPP protocol number
>for IPv4 and IPv6 packets but with a different version number
>in the IP header?
>
>* IPv6 over ethernet: Are there any implementations that use the
>same ether type number for IPv4 and IPv6 packets but with a different
>version number in the IP header?
I guess noone is doing that, for both questions. if someone did that,
they won't interoperate with others.
itojun
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