NAME

BU_Piggyback_BCE - Receiving invalid BU (piggybacking) w/ BCE


TARGET

Router


SYNOPSIS

BU_Piggyback_BCE.seq [-tooloption ...] -pkt BU_Piggyback_BCE.def
-tooloption: v6eval tool option


TOPOLOGY

                        MN'     CN
                        |       |
        --------+-------+-------+------- LinkX
                |
       NUT      R0      MN
        |       |       |
--------+-------+-------+--------------- Link0
Link0 global 3ffe:501:ffff:100::/64 home link
LinkX global 3ffe:501:ffff:102::/64 foreign link
R0(Link0) global 3ffe:501:ffff:100::a0a0  
ether 00:00:00:00:a0:a0
MN global 3ffe:501:ffff:100:200:ff:fe00:49 home address
MN' global 3ffe:501:ffff:102:200:ff:fe00:49 care-of address
CN global 3ffe:501:ffff:102:<TN>  


INITIALIZATION

NUT      MN      MN'     CN
 |       |       |       |
 | <-------------------- | Echo Request
 | --------------------> | Echo Reply
 |       |       |       |
 | <------------ |       | BU
 | ------------> |       | BA
 |       |       |       |
 |       | <------------ | Echo Request
 | ============> |       | Echo Request (encapsulated)
 |       |       |       |

1. Send Echo Request
2. Wait Echo Reply
3. Receive Echo Reply
4. Send BU
5. Wait BA
6. Receive BA
7. Send Echo Request
8. Wait Echo Request (encapsulated)
9. Receive Echo Request (encapsulated)


TEST PROCEDURE

NUT      MN      MN'     CN
 |       |       |       |
 | <---- |       |       | BU (piggybacking)
 | ----> |       |       | Parameter Problem (erroneous header field encountered) (*1)
 |       |       |       |
 |       | <------------ | Echo Request
 | ============> |       | Echo Request (encapsulated) (*2)
 |       |       |       |

1. Send BU (piggybacking)
2. Wait Parameter Problem
3. Receive Parameter Problem (*1)
4. Send Echo Request
5. Wait Echo Request (encapsulated)
6. Receive Echo Request (encapsulated) (*2)


JUDGEMENT

(*1) PASS: MN' receives Parameter Problem
     WARN: no response
     FAIL: Recv unexpect packets
(*2) PASS: MN receives Echo Request (encapsulated)


SEE ALSO

MIP6.pm
MIP6.def