NAME

  F_TX_expire - Reassembly Time Exceeded (Time Exceeded Before Last Fragments Arrive)

TARGET

  Host and Router

SYNOPSIS

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

INITIALIZATION

  Perform Common Test Setup 1.1

TEST PROCEDURE

  Tester                      Target
    |                           |
    |-------------------------->|
    |   Echo Request (1st)      |
    |                           |
    |                           |
    |   wait for 65 sec.        |
    |                           |
    |                           |
    |<--------------------------|
    |   Neighbor Solicitation   |
    |                           |
    |-------------------------->|
    |   Neighbor Advertisement  |
    |                           |
    |<--------------------------|
    |   ICMP Error              |
    |                           |
    |-------------------------->|
    |   Echo Request (2nd)      |
    |                           |
    |-------------------------->|
    |   Echo Request (3rd)      |
    |                           |
    |                           |
    v                           v

  1. Send Echo Request (1st fragment)
  2. Wait ICMP Error for 65 seconds
     If NS received then send NA, and wait ICMP Error again
  3. Receive ICMP Error
  4. Send Echo Request (2nd fragment)
  5. Send Echo Request (3rd fragment)

  Echo Request Data (original) is:

        IPv6 Header
            Version            = 6
            Traffic Class      = 0
            FlowLabel          = 0
            PayloadLength      = 88
            NextHeader         = 58 (ICMPv6)
            SourceAddress      = Tester Global Address
            DestinationAddress = Target Global Address

        ICMP Echo Request
            Type           = 128 (Echo Request)
            Code           = 0
            Checksum       = (auto)
            Identifier     = (auto)
            SequenceNumber = 0
            PayloadData    = data repeat{0x1, 40}
                             data repeat{0x2, 40}

  Echo Request Data (1st fragment) is:

        IPv6 Header
            Version            = 6
            Traffic Class      = 0
            FlowLabel          = 0
            PayloadLength      = 40
            NextHeader         = 44 (Fragment Header)
            SourceAddress      = Tester Global Address
            DestinationAddress = Target Global Address

        Fragment Header
            NextHeader         = 58 (ICMPv6)
            FragmentOffset     = 0
            MFlag              = 1
            Identification     = 32bit (Automatic generation)

        Payload
            data               = 32 octets from the head of ICMP Echo request

  Echo Request Data (2nd fragment) is:

        IPv6 Header
            Version            = 6
            Traffic Class      = 0
            FlowLabel          = 0
            PayloadLength      = 40
            NextHeader         = 44 (Fragment Header)
            SourceAddress      = Tester Global Address
            DestinationAddress = Target Global Address

        Fragment Header
            NextHeader         = 58 (ICMPv6)
            FragmentOffset     = 4
            MFlag              = 1
            Identification     = 32bit (Automatic generation)

        Payload
            data               = 32 octets from the back of ICMP Echo request

  Echo Request Data (3rd fragment) is:

        IPv6 Header
            Version            = 6
            Traffic Class      = 0
            FlowLabel          = 0
            PayloadLength      = 32
            NextHeader         = 44 (Fragment Header)
            SourceAddress      = Tester Global Address
            DestinationAddress = Target Global Address

        Fragment Header
            NextHeader         = 58 (ICMPv6)
            FragmentOffset     = 8
            MFlag              = 0
            Identification     = 32bit (Automatic generation)

        Payload
            data               = 24 octets from the back of ICMP Echo request

JUDGEMENT

  PASS: receive ICMPv6 Time Exceeded message, 60 seconds after reception of 1st Fragment

        IPv6 Header
            Version             = 6
            Traffic Class       = 0
            FlowLabel           = 0
            PayloadLength       = 88
            NextHeader          = 58 (ICMPv6)
            SourceAddress       = Target Global Address
            Destination Address = Tester Global Address

        ICMP Echo Reply
            Type           = 3 (Time Exceeded)
            Code           = 1 (Fragment reassembly time exceeded)
            Checksum       = (auto)
            Reserved       = 0
            PayloadData    = (Sent Packet (1st))

REFERENCE

RFC 2460 - IPv6 Specification