Hi Ron,

Somehow, the list choked on my last couple of messages so I will
convert to plaintext:

> The approach taken by RFC 2473 is similar, but not identical to the approach
> taken by draft-ietf-intarea-gre-ipv6. Please compare the text in RFC 2473,
> Section 7.1.b to the corresponding text in Section 3.1 of 
> draft-ietf-intarea-gre-ipv6. 
> They are different and need to remain different in order to accommodate future
> possibilities.

Here is the difference:

>>>   o  send an ICMPv6 Packet Too Big (PTB) [RFC4443] message to the IPv6
>>>       packet source.  The MTU field in the ICMPv6 PTB message is set to
>>>        the GMTU.

This is the part that would trigger atomic fragments if GMTU is less than
1280. Drop this, and you have RFC2473 exactly.

Thanks - Fred
[email protected]
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