NAME

CN-2-2-4 - Receiving CoTI - Invalid Mobility Header Reserved

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(Reserved1 after MH Type = 0xff)
        |       |       |       |       |
        |<------------------------------| 9.CoT (*1)
        |       |       |       |       |
        |------------------------------>| 10.CoTI(Reserved2 after Checksum = 0xffff)
        |       |       |       |       |
        |<------------------------------| 11.CoT (*2)
        |       |       |       |       |



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(Reserved1 after MH Type = 0xff).
9. Receive Care-of Test.
10. Send Care-of Test Init(Reserved2 after Checksum = 0xffff).
11. Receive Care-of Test.



Packet Format
8. Care-of Test Init
9. Care-of Test
10. Care-of Test Init
11. Care-of Test










JUDGEMENT




(*1) MN receives Care-of Test.
  - The Destination Address is set to the Source Address of the Care-of Test Init (MN care-of address).
  - Care-of Init Cookie matches the value in the Care-of Test Init.



(*2) MN receives Care-of Test.
  - The Destination Address is set to the Source Address of the Care-of Test Init (MN care-of address).
  - Care-of Init Cookie matches the value in the Care-of Test Init.










REFERENCE


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





   Reserved



      16-bit field reserved for future use.  The value MUST be
      initialized to zero by the sender, and MUST be ignored by the
      receiver.