Wojciech Dec ๅ†™้“:
Hi Kristian,

hmmm, the destination address should follow rfc6052, which for a /64 prefix, 8 "u-bits", and an address 10.2.3.4, should come to appear as 2001:db8:ffff:0:000a:0203:0400:: In your proposed change, there would be 16 "u-bits", unless I'm reading it wrongly.

Woj is correct. The document says:

The mapping of the IPv4
  destination behind the IPv6 prefix will by default follow the /64
  rule as per [RFC6052 <https://tools.ietf.org/html/rfc6052>].  Any trailing 
bits after the IPv4 address are
  set to 0x0.

Therefore the example is correct.
2001:db8:ffff:0:000a:0203:0400::
Best,

xing





Let me know.
Wojciech.

On 5 November 2014 19:42, Poscic, Kristian (Kristian) <[email protected] <mailto:[email protected]>> wrote:

    I think that the IPv6 destination address below should be

    2001:db8:ffff:0:0:0a02:0304::

    This is in Appendix A.

    Example 3- FMR:

       An IPv4 host behind a MAP-T CE (configured as per the previous

       examples) corresponding with an IPv4 host 10.2.3.4 will have its

       packets converted into IPv6 using the DMR configured on the MAP-T

       CE as follows:

       Default Mapping Rule:         {2001:db8:ffff::/64 (Rule IPv6
    prefix),

                                     0.0.0.0/0 <http://0.0.0.0/0>
    (Rule IPv4 prefix)}

       IPv4 source address:          192.0.2.18

       IPv4 destination address:     10.2.3.4

       IPv4 source port:             1232

       IPv4 destination port:        80

       MAP-T CE IPv6 source address:
    2001:db8:0012:3400:0000:c000:0212:0034

IPv6 destination address: 2001:db8:ffff:0:000a:0203:0400:: รจ incorrect


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