NAME

CN-2-6-2 - Receiving BU with invalid Address - Home Address (Registration)

TARGET

Host

TOPOLOGY

       HA----------R2----------R1----------R0
       |           |           |           |
       |           |           |           |
       |----       |----       |----MN     |----CN(NUT)
       |           |           |           |
       |           |           |           |
   Home Link     Link2       Link1       Link0
               (Foreign)   (Foreign)

Link0	3ffe:501:ffff:100::/64
Link1	3ffe:501:ffff:101::/64	Foreign Link
Link2	3ffe:501:ffff:102::/64	Foreign Link 2
Home Link	3ffe:501:ffff:104::/64	Home Link
CN(NUT)	3ffe:501:ffff:100::X Auto Configuration (InterfaceID)
MN(in Link1)	3ffe:501:ffff:101::Y Increased in each test (InterfaceID)	MN care-of address
MN(in Home Link)	3ffe:501:ffff:104::Y Increased in each test (InterfaceID)	MN home address
R0(Link0)	3ffe:501:ffff:100::1
R1(Link1)	3ffe:501:ffff:101::1
R2(Link2)	3ffe:501:ffff:102::1
HA(Home Link)	3ffe:501:ffff:104::1

INITIALIZATION

Reboot NUT (reboot.rmt)

TEST PROCEDURE

       MN      R1      HA      R0     CN(NUT) 
        |       |       |       |       |
        |       |       |       |------>| 1.RA
        |       |       |       |       |
        |       |       |       |------>| 2.NS
        |       |       |       |       |
        |       |       |       |<------| 3.NA
        |       |       |       |       |
        |-------------->|-------------->| 4.Echo Request
        |       |       |       |       |
        |<--------------|<--------------| 5.Echo Reply
        |       |       |       |       |
        |------------------------------>| 6.Echo Request(Home Address option)
        |       |       |       |       |
        |<------------------------------| 7.BE(Status=1)
        |       |       |       |       |
        |------------------------------>| 8.CoTI
        |       |       |       |       |
        |-------------->|-------------->| 9.HoTI
        |       |       |       |       |
        |<------------------------------| 10.CoT
        |       |       |       |       |
        |<--------------|<--------------| 11.HoT
        |       |       |       |       |
        |------------------------------>| 12.BU(Home Address=Multicust address)
        |       |       |       |       |
        |       |       |       |       | (*1)
        |       |       |       |       |
        |------------------------------>| 13.BU(Home Address=Link local address)
        |       |       |       |       |
        |       |       |       |       | (*2)
        |       |       |       |       |
        |------------------------------>| 14.BU(Home Address=Invalid fp)
        |       |       |       |       |
        |       |       |       |       | (*3)
        |       |       |       |       |
        |------------------------------>| 15.Echo Request(Home Address option)
        |       |       |       |       |
        |<------------------------------| 16.BE(Status=1) (*4)
        |       |       |       |       |

1. Send Router Advertisement.
2. Send Neighbor Solicitation.
3. Receive Neighbor Advertisement.
4. Send ICMP Echo Request.
5. Receive ICMP Echo Reply.
6. Send ICMP Echo Request(Home Address option).
7. Receive Binding Error(Status=1).
8. Send Care-of Test Init
9. Send Home Test Init
10. Receive Care-of Test.
11. Receive Home Test.
12. Send Binding Update(Home Address=Multicust address).
   *Expire BA timer.
13. Send Binding Update(Home Address=Link local address).
   *Expire BA timer.
14. Send Binding Update(Home Address=Invalid fp).
   *Expire BA timer.
15. Send ICMP Echo Request(Home Address option).
16. Receive Binding Error(Status=1).

Packet Format
12. Binding Update
13. Binding Update
14. Binding Update
15. ICMP_Echo Request(Home Address option)
16. Binding Error

JUDGEMENT

(*1) MN receives neither Binding Acknowledgement nor Binding Error.

(*2) MN receives neither Binding Acknowledgement nor Binding Error.

(*3) MN receives neither Binding Acknowledgement nor Binding Error.

(*4) MN receives Binding Error. (Binding Cache entry is not created.)
  - The Destination Address is set to the Source Address of ICMP Echo Request (MN care-of address).
  - The Status field is set to 1.

REFERENCE

(draft-ietf-mobileip-ipv6-24.txt)

9.5.1 Receiving Binding Updates

   Before accepting a Binding Update, the receiving node MUST validate
   the Binding Update according to the following tests:

   o  The packet MUST contain a unicast routable home address, either in
      the Home Address option or in the Source Address, if the Home
      Address option is not present.

      (snip)

   For packets carrying Binding Updates that fail to satisfy all of
   these tests for any reason other than insufficiency of the Sequence
   Number, registration type change, or expired nonce index values, they
   MUST be silently discarded.