Rolf,
Your draft contradicts RFCs 792, 4443, and RFC 4884.
*
RFC 792 and 4443 both say that the code field in both the echo and echo reply
must equal 0.
*
RFC 792 says that "The data received in the echo message must be returned in
the echo reply message"
*
RFC 4443 is more specific, saying that "The data received in the ICMPv6 Echo
Request message MUST be returned entirely and unmodified in the ICMPv6 Echo
Reply message.
*
And finally, Section 4 of RFC 4884 enumerates which ICMP messages can be
extended and which cannot.
Your draft will have to update all of those. Let's chat after you have written
the relevant sections of your draft. I wonder if changing the semantic of the
data field in the echo and echo reply message will upset some stateful
firewalls?
Ron
> The IANA considerations section contains our code point allocations and
> sections 3 and following contains their use. It should be pretty clear
>from that. What information are you missing in particular?
>
>Rolf
Juniper Business Use Only
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