NAME

BU_Piggyback - Receiving invalid BU (piggybacking)

TARGET

Router

SYNOPSIS

BU_Piggyback.seq [-tooloption ...] -pkt BU_Piggyback.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:fe00:35	home address
MN'	global	3ffe:501:ffff:102:200:ff:fe00:35	care-of address
CN	global	3ffe:501:ffff:102:<TN>

INITIALIZATION

NUT      CN
 |       |
 | <---- | Echo Request
 | ----> | Echo Reply
 |       |

1. Send Echo Request
2. Wait Echo Reply
3. Receive Echo Reply

TEST PROCEDURE

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

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

JUDGEMENT

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

SEE ALSO

MIP6.pm
MIP6.def