#!/usr/bin/perl
#
# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
# 	Yokogawa Electric Corporation.
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#    which is related to this software (hereinafter referred to as
#    "project") nor the names of the contributors may be used to
#    endorse or promote products derived from this software without
#    specific prior written permission.
# 
# 4. No merchantable use may be permitted without prior written
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# CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING
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# $TAHI: dhcpv6.p2/rfc3315/R_RFC3315_20_DiscardRelayMsgFromRelayAgent.seq,v 1.6 2008/10/03 04:18:13 ozoe Exp $
########################################################################
BEGIN { $V6evalTool::TestVersion = '$Name: DHCPv6_Self_Test_P2_1_0_13 $';
}

use strict;
use V6evalTool;

use lib '../.';
use DHCPv6_common;
use Server_pktdesc;

dhcpExitNS if(ChkFuncSupport('ADDRASSIGN') && ChkFuncSupport('DNS'));

#--------------------------------------------------------------#
# Initialization
#--------------------------------------------------------------#

vLogHTML('<B>==== NUT Initialization ====</B><BR>');
my $IF0 = "Link0";
my $IF1 = "Link1";

#initial NUT config parameters,
my %NUT_Relay_Config = (
	'if_nut0'=> "$V6evalTool::NutDef{Link0_device}",
	'if_nut1' => "$V6evalTool::NutDef{Link1_device}",
#	'if_add0' => "$NUTRELAY1_LINK0_GLOBAL_UCAST",
#	'if_add1' => "$NUTRELAY1_LINK1_GLOBAL_UCAST",
#	'if_length0' => "64",
#	'if_length1' => "64",
#	'if_type0'=> "unicast",
#	'if_type1'=> "unicast",
	'init_opcode' => "vRemote(\"dhcp6r.rmt\", \"start\",\"link0=$V6evalTool::NutDef{Link0_device}\",\"link1=$V6evalTool::NutDef{Link1_device}\",\"clientunicast=$NUTRELAY1_LINK1_GLOBAL_UCAST\",\"servermulticast\")"
);

dhcpRelayInit(\%NUT_Relay_Config);

# set Options
$CID_OPTION = "opt_CID_LLT_client1";
$IA_NA_OPTION = "opt_IA_NA";
# send DHCPv6 Relay Forward Message(Solicit)
my($ret1, %rfsol1) = send_relay_forward($IF1,"relayforward_solicit_relay2_to_nut_invalid");
dhcpExitFail if (0!=$ret1);

# wait for DHCPv6 Relay reforward Message(Solicit)
my ($ret2, %rfsol2) =  wait_for_relay_forward($IF0, 5,"relay_forward_nut_server");
if (0 == $ret2){
 	dhcpExitError("NUT returns unexpected message.<BR>");
}


#-------------------------------------------------------------------
vLogHTML("<B><FONT COLOR=#006666>The process of receipt invalid message is correct.</FONT></B><BR>");
#-------------------------------------------------------------------
dhcpExitPass();
vClear($IF0);
vClear($IF1);



#NOTREACHED

########################################################################
__END__

=head1 NAME

  R_RFC3315_20_DiscardRelayMsgFromRelayAgent.seq - Reception of Invalid Relay-forward Messages

=head1 TARGET

  Relay agent

=head1 SYNOPSIS

=begin html
 <PRE>
 <A HREF="./R_RFC3315_20_DiscardRelayMsgFromRelayAgent.seq">R_RFC3315_20_DiscardRelayMsgFromRelayAgent.seq </A>[-tooloption ...]
 -pkt <A HREF="./R_RFC3315_20_DiscardRelayMsgFromRelayAgent.def">R_RFC3315_20_DiscardRelayMsgFromRelayAgent.def </A>
 -tooloption: v6eval tool option
See Also <A HREF="../DHCPv6.def"> DHCPv6.def </A>
 </PRE>

=head1 INITIALIZATION

=begin html
  <ul>
  <li><STRONG>Network Topology</STRONG></li>
  </ul>
 <PRE>
                 TN(Relay2)
                   |
Link1 -------------+-------+--------------- 3ffe:501:ffff:101::/64
                           |
                         NUT(Relay1)
                           |
Link0 ---------------------+----------+---- 3ffe:501:ffff:100::/64
                                      |
                                 TN(Server1)
  </PRE>
  <ul>
      <li><STRONG>Verification Points</STRONG><p>
          <ul>
          <PRE>
If the hop-count in the Relay-forward message is  <b>equal </b>to HOP_COUNT_LIMIT,
the NUT will Discard this message.
	  </PRE>
          </ul>
  </ul>
  <ul>
      <li><STRONG>Configuration</STRONG></li>
  </ul>
	<ul>
	<PRE>
	Reply-forward message
	hop-count = HOP_COUNT_LIMIT(32)
	</PRE>
	</ul>
	<BLOCKQUOTE>
	<TABLE BORDER>
	<TR>
	<TD><TT>Device Name</TT></TD>
	<TD><TT>Device Type</TT></TD>
	<TD><TT>I/F</TT></TD>
	<TD><TT>Assigned Prefix</TT></TD>
	<TD><TT>Link Local Addr</TT></TD>
	<TD><TT>MAC Addr</TT></TD>
	</TR>
	<TR>
	<TD><TT>Relay1(Link0)</TT></TD>
	<TD><TT>NUT</TT></TD>
	<TD><TT>Link0</TT></TD>
	<TD><TT>3ffe:501:ffff:100::/64</TT></TD>
	<TD><TT>NUT's Linklocal address(Link0)</TT></TD>
	<TD><TT>NUT's MAC address(Link0)</TT></TD>
	</TR>
	<TR>
	<TD><TT>Relay1(Link1)</TT></TD>
	<TD><TT>NUT</TT></TD>
	<TD><TT>Link1</TT></TD>
	<TD><TT>3ffe:501:ffff:101::/64</TT></TD>
	<TD><TT>NUT's Linklocal address(Link1)</TT></TD>
	<TD><TT>NUT's MAC address(Link1)</TT></TD>
	</TR>
	<TR>
	<TD><TT>Server1</TT></TD>
	<TD><TT>TN</TT></TD>
	<TD><TT>Link0</TT></TD>
	<TD><TT>3ffe:501:ffff:100::/64</TT></TD>
	<TD><TT>fe80::200:ff:fe00:a1a1</TT></TD>
	<TD><TT>00:00:00:00:a1:a1</TT></TD>
	</TR>
	<TR>
	<TD><TT>Relay2</TT></TD>
	<TD><TT>TN</TT></TD>
	<TD><TT>Link1</TT></TD>
	<TD><TT>3ffe:501:ffff:101::/64</TT></TD>
	<TD><TT>fe80::200:ff:fe00:a7a7</TT></TD>
	<TD><TT>00:00:00:00:a7:a7</TT></TD>
	</TR>
	</TABLE>
	</BLOCKQUOTE>

=end html

=head1 TEST PROCEDURE

=begin html
<PRE>
	    TN(Relay2) NUT(Relay1)
	        |       |         
	        | ----> |         Relay-forward(w/ invalid hop-count)
	        |       |         
	        |       |         NUT Discard the Relay-forward message
	        |       |         
</PRE>

=end html

=head1 JUDGEMENT

<PRE>
(*1)PASS: NUT will Discard the Relay Forward message and must not return
	  any message.
</PRE>

=head1 TERMINATION

  N/A

=head1 REFERENCE

=begin html
<PRE>
  see also RFC3315
  20.1.2. Relaying a Message from a Relay Agent
</PRE>

=end html

=head1 SEE ALSO

  perldoc V6evalTool

=cut