Hi,
--> For the RFC 2462bis I-D there was a list of issues sent out during
Oct. 2003 and one of the issues was:
-----
"If RFC2462 requires 64bit IFID
by several people, several times."
So far in the RFC 2462bis I-D the answer appears to be "No" since no
changes in the I-D indicate otherwise.
-----
--> Referring to RFC 3513 (and now also RFC 3513bis), the following
statement is made in Section 2.5.1:
-----
"For all unicast addresses, except those that start with binary value
000, Interface IDs are required to be 64 bits long and to be constructed
in Modified EUI-64 format."
So here it appears that the answer to the question in RFC 2461bis should
be "Yes"?
-----
--> There seems to be an inconsistency here. I am concerned that this
issue may also have ramifications for other RFCs. For example, in RFC
2526, the following statement is made in Section 2:
-----
"For other IPv6 address types (that is, with format prefixes other than
those listed above), the interface identifier is not in EUI-64 format
and may be other than 64 bits in length; these reserved subnet anycast
addresses for such address types are constructed as follows:"
| n bits | 121-n bits | 7 bits |
+---------------------------------+------------------+------------+
| subnet prefix | 1111111...111111 | anycast ID |
+---------------------------------+------------------+------------+
| interface identifier field |
-----
--> How is this to be resolved? Thanks.
Regards,
Pete
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