# NAME

      ping4 - IPv4 ICMP Echo Request/Reply

# TARGET

      IPv4 node (Host and Router)

# SYNOPSIS

# INITIALIZATION

      Please config the target :
         IP Address : 192.168.0.2
         Netmask    : 255.255.255.0

# TEST PROCEDURE

      Tester                      Target
        |                           |
        |-------------------------->|
        |   Echo Request            |
        |                           |
        |                           |
        |<--------------------------|
        |   (ARP request)           |
        |                           |
        |                           |
        |-------------------------->|
        |   (ARP reply)             |
        |                           |
        |                           |
        |<--------------------------|
        |   Echo Reply              |
        |                           |
        |                           |
        v                           v

      1. Send Echo Request
      2. Wait Echo Reply or ARP request
      3. If ARP request received then send ARP reply, and wait Echo Reply again
      4. Receive Echo Reply

# JUDGEMENT

      PASS: Echo Reply Received

# SEE ALSO

      perldoc V6evalTool