#!/usr/bin/perl # # $Intap$ # $TINY: LLA_DAD_NSPostDAD_SrcDstUni.seq,v 1.5 2002/03/05 03:04:56 masaxmasa Exp $ # ######################################################################## BEGIN { $V6evalTool::TestVersion = '$Name: $ '; } use V6evalTool; use SAA; #------------------------------------------------------ #----- get sequence arguments #------------------------------------------------------ $howto_initNUT="none"; $send = "ok"; foreach (@ARGV) { # How to configure address of NUT? # sample: boot, ra, manual+_GLOBAL0A0N_UCAST /^addrconf=(\S+)/ && do {$SAA::howto_addrconf=$1; next; }; # How to initialize NUT? # sample: none, DADSuccess_boot, DADFail_boot /^init=(\S+)/ && do {$howto_initNUT=$1; next; }; # "none" if send no pakcet to NUT in state DADPostSendNS # sample: ok, none /^send=(\S+)/ && do {$send=$1; next; }; # sequence debug options # sample: qR /^sd=(\S+)/ && do {$seqdebugopt=$1; next; }; seqERROR("Unknown sequence option '$_'"); } #------------------------------------------------------ #----- test condition $IF=Link0; # network interface $max_retry_count = 10; # retry if NUT state becomes DADPostSendNS $max_retry_count = 2 if $SAA::sd =~ /q/; # quick retry $send_interval = 1; # 1[sec] time between DAD NS and DAD NS, send to NUT # (RandomDelay is 0-1sec e.g. default RetransTimer 1000msec) ########################################################## #----- Check Target Type $type=$V6evalTool::NutDef{Type}; if($type eq host) { vCPP('-DRFLAG=0'); } if($type eq router) { vCPP('-DRFLAG=1'); } ########################################################## #----- Preparetion vCapture($IF); seqPrepareLLA($IF, $V6evalTool::NutDef{System}); #----- initialize NUT vLog("*** Target initialization phase ***"); if($V6evalTool::NutDef{System} ne "manual"){ vSleep($SAA::test_interval); } $rret=vRemote("reboot_async.rmt","","timeout=$SAA::wait_rebootcmd"); vLog("reboot_async.rmt returned status $rret"); #----- start Capturing vLog("*** Target testing phase ***"); vClear($IF); #----- Wait DAD NS from NUT or timeout vLog("TN wait DAD NS(DADNS_from_NUT) from NUT for $SAA::wait_dadns{$SAA::howto_addrconf} [sec],"); %ret=vRecv($IF,$SAA::wait_dadns{$SAA::howto_addrconf},0,$count,DADNS_from_NUT); if ($ret{status} == 0){ %retSend=vSend($IF, NS_from_TN_SrcDstUni); #----- check if NUT's address is configured vSleep($SAA::wait_addrconf); if (seqCheckNUTAddrConfigured($IF) eq TRUE) { vLog("NUT assigned the address to the interface."); if ($SAA::DupAddrDetectTransmits == 0) { vLog("NUT transmit DAD NS though DupAddrDetectTransmits == 0"); seqNG(); }else{ seqOK(); } }else{ vLog("Though source address of NS is unicast,"); vLog(" NUT seems to detect Address Duplication"); seqNG(); } } else{ vLog("TN wait DAD NS from NUT for $SAA::wait_dadns{$SAA::howto_addrconf}, but NUT had not transmit DAD NS"); seqNG(); } ########################################################## #end ######################################################################## __END__ =head1 NAME LLA_DAD_NSPostDAD_SrcDstUni - check the process when NUT receives NS for address resolution(Src=Unicast,Dst=Unicast) after transmitting DAD NS =head1 TARGET All Node =head1 SYNOPSIS LLA_DAD_NSPostDAD_SrcDstUni.seq [-tooloption ...] -pkt [addrconf=] -tooloption : v6eval tool option : packet definition file (v6eval tool option) : how to configure address on NUT; boot/reboot =begin html 
 detail of v6eval tool option: see perldoc V6evalTool.pm, perldoc V6evalRemote.pm
=end html =head1 INITIALIZATION =begin html 
 Reboot NUT or Initialize interface of NUT or Initialize IPv6 stack of NUT.
=end html =head1 TEST PROCEDURE =over 1 =item Test for Unicast address configuration The following tests are prepared in this test package. See INDEX file. B NUT assignes autoconfigured address, even though NUT receives NS for address resolution while DAD process (after transmitting DAD NS). B TN NUT --------------------------------- Initialize NUT Configure address of NUT (reboot or interface initialization etc...) TN wait the DAD NS sent from NUT <=== Judgement #1: DAD NS ======= name: DADNS_from_NUT ==== Action #1: NS =============> name: NS_from_TN_SrcDstUni Wait for 5+DupAddrDetectTransmits*(RetransTimer/1000)[sec] Check if NUT's address is configured ==== Action #2: SOL NS =========> name: SOLNS_from_TN_SameTgt <=== Judgement #2: SOL NA ======= name: NA_from_NUT, NA_from_NUT_woTLL =back 1 =head1 JUDGEMENT =over 1 =item Test for Link-local Unicast address autoconfiguration B B Judgement #1. NUT MUST transmit DAD NS for its autoconfigured Link-local address. name: DADNS_from_NUT src: ::0 dst: solnode[NUT's tentative Link-local] TargetAddress: NUT's tentative Link-local Action #1. TN transmits NS which contains unicast as source address for NUT's tentative Link-local address name: NS_from_TN_SrcDstUni src: TN's Link-local dst: NUT's tentative Link-local TargetAddress: NUT's tentative Link-local Action #2. TN transmits SOL NS to check if NUT's address is configured name: SOLNS_from_TN_SameTgt src: TN's Link-local dst: solnode[NUT's Link-local] TargetAddress: NUT's Link-local Judgement #2. NUT MUST transmit SOL NA for its autoconfigured Link-local address. name: NA_from_NUT, NA_from_NUT_woTLL src: NUT's Link-local dst: TN's Link-local TargetAddress: NUT's Link-local RFlag: 0 ( if NUT is a Router then 1) SFlag: 1 OFlag: 1 TLLOPT: NUT's MAC address =back 1 =head1 REFERENCE =begin html 
RFC2462


   (omit)
5.4.3.  Receiving Neighbor Solicitation Messages


   On receipt of a valid Neighbor Solicitation message on an interface,
   node behavior depends on whether the target address is tentative or
   not.  If the target address is not tentative (i.e., it is assigned to
   the receiving interface), the solicitation is processed as described
   
   in [DISCOVERY].  If the target address is tentative, and the source
   address is a unicast address, the solicitation's sender is performing
   address resolution on the target; the solicitation should be silently
   ignored.  Otherwise, processing takes place as described below. In
   all cases, a node MUST NOT respond to a Neighbor Solicitation for a
   tentative address.



   (omit)
=end html =head1 SEE ALSO =begin html 
 detail of v6eval tool option: see perldoc V6evalTool.pm, perldoc V6evalRemote.pm
=end html =cut