#!/usr/bin/perl
#
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# $TAHI: ct/icmp.p2/To_ICMPErr_Packet_Too_Big.seq,v 1.3 2005/04/11 08:58:38 akisada Exp $
########################################################################
BEGIN { $V6evalTool::TestVersion = '$Name: V6LC_P2_1_4_6 $'; }
use V6evalTool;
use icmp;

$IF=Link0;

checkNUT(router);

%pktdesc = (
	pkt_too_big_link0	=> 'Send Paket Too Big Error Message',
    dst_unreach_from_nut	=> 'Receive ICMP Error (Destination Unreachable)',
);

#
#
#
vLogHTML("<FONT SIZE=\"+1\">Initialization</FONT><BR>");

vCapture($IF);

$ret = setup();
if ($ret == $icmp::subFail){
	goto error;
}

#
#
#
vLogHTML("<FONT SIZE=\"+1\">Test</FONT><BR>");

vSend($IF, pkt_too_big_link0);

#%ret = vRecv($IF, $icmp::wait_reply, 0, 0, time_exceeded, ns_global, ns_global_sll);
%ret = icmp_vRecv($IF, $icmp::wait_reply, 0, 0, 'dst_unreach_from_nut');

if ($ret{status} != 0) {
	vLog("TN do not receive ICMPv6 error message from NUT");
	vLog("OK");
	cleanup();
	vStop($IF);
	exit($V6evalTool::exitPass);
}
elsif ($ret{recvFrame} eq 'dst_unreach_from_nut') {
	vLogHTML('<FONT COLOR="#FF0000">TN receive ICMPv6 error message from NUT</FONT><BR>');
	goto error;
}
else {
	vLogHTML('<FONT COLOR="#FF0000">TN receive unexpected packets from NUT</FONT><BR>');
	goto error;
}   

error:

vLogHTML('<FONT COLOR="#FF0000">FAIL</FONT><BR>');
cleanup();
vStop($IF);
exit($V6evalTool::exitFail);


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

=head1 NAME

	To_ICMPErr_Time_Exc.seq - check Message Processing Rules (ICMPv6
	Time Exceeded)

=head1 TARGET

	Router

=head1 SYNOPSIS

	To_ICMPErr_Time_Exc.seq [-tooloption ...] -p To_ICMPErr_Time_Exc.def

=head1 NETWORK CONFIGURATION

        This test is OFF-LINK Network Configuration test.
        
        Physical Network configuration
        
        ---------------------------------------
                |               |
                NUT             TN



        Logical Network Configuration

                                TN
                                |
        ----------------------------------
                        |
                        NUT
                        |
        ----------------------------------
                | 
                OFFLINK Host

=head1 INITIALIZATION

	Perform Common Test Setup 1.1.

=head1 TEST PROCEDURE

	This test verifies that the message processing rule ,
	
    (e) An ICMPv6 error message MUST NOT be sent as a result of
        receiving:

         (e.1) an ICMPv6 error message, or


	TN			NUT

	---------------------------

	1.
	 === ICMPv6  Packet Too Big Message  ===>
         src address : TN global address
         dst address : On-link unreachable address
         code : 0

	2.
	<< JUDGEMENT >>

	<=== No packets ===
                   or      
	<=== ICMPv6 Time Destination Unreachable ===
         Code = 3

=head1 JUDGEMENT

	<< PASS >>
		NUT don't send ICMPv6 Destination Unreachable.

	<< FAIL >>
		NUT send ICMPv6 Destination Unreachable.

=cut

# =head1 REFERENCE
# 
# RFC2463
# 2.4 Message Processing Rules
# 
#    Implementations MUST observe the following rules when processing
#    ICMPv6 messages (from [RFC-1122]):
# 
# =begin html
# <pre>
#     <b>(e) An ICMPv6 error message MUST NOT be sent as a result of
#         receiving:<br>
#          (e.1) an ICMPv6 error message</b>, or
# </pre>
# 
# =end html
# 

=pod

=head1 REFERENCE

=begin html
<BLOCKQUOTE>
<PRE>
RFC 2463 - ICMPv6 (ICMP for IPv6)
</PRE>
</BLOCKQUOTE>

=end html

=head1 SEE ALSO

	  perldoc V6evalTool

=cut