#!/usr/bin/perl
#
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#$Id: C_RFC3633_8_UpAddr.seq,v 1.16 2006/03/09 08:45:36 mnaoki Exp $
###############################################################################
BEGIN{
	$V6evalTool::TestVersion = '$Name: DHCPv6_1_0 $';
}
use strict;
use V6evalTool;
use DHCPv6_common;
use Client_pktdesc;
dhcpExitNS  if ChkFuncSupport('PD');
#--------------------------------------------------------------#
# Initialize  variables
#--------------------------------------------------------------#
my $IF0_NUT = $V6evalTool::NutDef{"Link0_device"};
my $IF0 = "Link0";
#--------------------------------------------------------------#
# Initiate DHCPv6 Client
#--------------------------------------------------------------#
my $ret = vRemote("dhcp6c.rmt", "start", "prefix", "link0=$IF0_NUT");
if($ret != 0) {
	vLogHTML('<FONT COLOR="#FF0000">Cannot Initialize DHCPv6 Client program.</FONT><BR>');
	dhcpExitFail;
};
vCapture($IF0);
#--------------------------------------------------------------#
# 1. Wait until Solicit arrives 
#--------------------------------------------------------------#
my ($retsol,%sol) = wait_for_solicit($IF0,30);
if($retsol != 0){
	dhcpExitFail;
}
########################################
#
# address definition 
#
########################################
my $link_number = get_nut_link_number(\%sol);
if ($link_number != 0){
	 vLogHTML('<FONT COLOR="#FF0000">Upstream Link number should be Link0 .</FONT><BR>');
	 dhcpExitFail;
}
dhcpExitPass;

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

=head1 NAME 

  C_RFC3633_8_UpAddr.seq - Check whether NUT uses Upstream interface   
  

=head1 TARGET

  Client

=head1 SYNOPSIS

=begin html
<PRE>
  <A HREF="./C_RFC3633_8_UpAddr.seq"> C_RFC3633_8_UpAddr.seq</A> [-tooloption...] <BR>  -pkt  <A HREF="./C_RFC3633_8_UpAddr.def"> C_RFC3633_8_UpAddr.def</A> <BR>  -tooloption : v6eval tool option
<BR>
  See Also <A HREF="./DHCPv6.def"> DHCPv6.def </A> 
</PRE>

=end html

=head1 INITIALIZATION

=begin html
  <ul>
  <li><STRONG>Network Topology</STRONG></li> 
   <PRE>
          NUT(Requesting router)
          |           
          |                        
Link0   --+--------+------------------------ 3ffe:501:ffff:100::/64
                   |
                   |          
                   TN(Delegating router) 
   </PRE>
  </ul>
  <ul>  
  <li><STRONG>Verification Points</STRONG></li><br>
   <PRE>
   When a requesting router sends a DHCP message, it SHOULD be sent on
   the interface associated with the upstream router.
   </PRE>
  </ul>
  <ul>  
  <li><STRONG>Configurations</STRONG></li><br>
   <BR>
    <TABLE BORDER="1">
    <TR>
    <TD><TT>Device Name</TT></TD>
    <TD><TT>Device Type</TT></TD>
    <TD><TT>Interface</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>Client</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</TT></TD>
    <TD><TT>NUT's MAC address</TT></TD>
    </TR>
    <TR>
    <TD><TT>Server</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>
    </TABLE>
  </ul>
  <ul>  
  <li><STRONG>Pre-Sequence</STRONG></li><br>
   <PRE>
    Link0 of NUT Must be set as Upstream link Interface of Requesting Router.
   </PRE>
  </ul>

=end html

=head1 TEST PROCEDURE

=begin html
<PRE>
<BR>
       NUT      TN
        |       | 
        |       |Initialize NUT(as a Requesting router)
        | ----> |<B>Solicit</B> (1*)
        |       |
        |       |
  
</PRE>

=end html

=head1 JUDGEMENT

=begin html
<PRE>
  (1*)PASS: TN receives Solicit from upstream interface of NUT.
</PRE>

=end html

=head1 TERMINATION

=begin html
<PRE>
  N/A
</PRE>

=end html

=head1 REFERENCE

=begin html
<PRE>
  Also see RFC3633
<BR>
  8.  Interface Selection
</PRE>

=end html

=head1 SEE ALSO

=begin html
<PRE>
<BR>
  perldoc  V6evalTool
<BR>
</PRE>

=end html