NAME

  EH_UnrecognizedNextHeader - check Unrecognized Next Header in Extension Header

TARGET

  Host and Router

SYNOPSIS

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

INITIALIZATION

  None

TEST PROCEDURE

  Tester                      Target
    |                           |
    |-------------------------->|
    |   Test Packet             |
    |                           |
    |                           |
    |<--------------------------|
    |   Neighbor Solicitation   |
    |                           |
    |                           |
    |-------------------------->|
    |   Neighbor Advertisement  |
    |                           |
    |                           |
    |<--------------------------|
    |   ICMP Error              |
    |                           |
    v                           v

  1. Send Test Packet (Unrecognized Next Header in Extension Header)
  2. Wait ICMP Error or NS
  3. If NS received then send NA, and wait ICMP Error again
  4. Receive ICMP Error

  Test Packet to Target Data is:

        IPv6 Header
            Version            = 6
            Traffic Class      = 0
            FlowLabel          = 0
            PayloadLength      = 16
            NextHeader         = 60 (Destination Options Header)
            HopLimit           = 0
            SourceAddress      = Tester Address
            DestinationAddress = Tester Address

        Destination Options Header
            NextHeader      = 128 (Unrecognized value)
            HeaderExtLength = 0
            OptionType      = 1 (PadN)
            OptDataLength   = 4
            pad             = {0,0,0,0}

JUDGEMENT

  PASS: ICMP Error Received

        IPv6 Header
            Version            = 6
            Traffic Class      = 0
            FlowLabel          = 0
            PayloadLength      = 56
            NextHeader         = 58 (ICMP)
            HopLimit           = 64
            SourceAddress      = Target Address
            DestinationAddress = Tester Address

        ICMP Error
            Type           = 4 (Parameter Problem)
            Code           = 1 (unrecognized Next Header type encounted)
            Checksum       = (auto)
            Pointer        = 40 (Offset to Next Header type)
            PayloadData    = (Sent Packet)

SEE ALSO

  perldoc V6evalTool