NAME

        CL_RFC2782_SRV_type - SRV type in standard query

VERIFICATION POINTS

        Verify that a NUT transmits correct standard query format for SRV type

Header section format

	                                1  1  1  1  1  1
	  0  1  2  3  4  5  6  7  8  9  0  1  2  3  4  5
	+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
	|                      ID                       |
	+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
	|QR|   Opcode  |AA|TC|RD|RA|   Z    |   RCODE   |
	+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
	|                    QDCOUNT                    |
	+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
	|                    ANCOUNT                    |
	+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
	|                    NSCOUNT                    |
	+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
	|                    ARCOUNT                    |
	+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
	

	QR : query (0)
	Opcode : a standard query(QUERY) (0)
	Z : Must be zero 
	QDCOUNT : 1 
	ANCOUNT : 0 
	NSCOUNT : 0 
	ARCOUNT : 0 
	

Question section format

	                                1  1  1  1  1  1
	  0  1  2  3  4  5  6  7  8  9  0  1  2  3  4  5
	+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
	|                                               |
	/                     QNAME                     /
	/                                               /
	+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
	|                     QTYPE                     |
	+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
	|                     QCLASS                    |
	+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
	

	QNAME : _http._tcp.example.com
	QTYPE : SRV type (33)
	

Answer section format
Must be empty


Authority section format
Must be empty


Additional section format
Must be empty

TARGET

        Client

SYNOPSIS

	CL_RFC2782_SRV_type.seq [-tooloption ...]: KOI tool option
	See also DNSConfig.pm

INITIALIZATION

• Network Topology

        AP Server1(TN):A.example.com     DNS Server1(TN)
          |3ffe:501:ffff:101::10           |3ffe:501:ffff:101::20
          |192.168.1.10                    |192.168.1.20
          |                                |
Net-y   --+--------+-----------------------+-------- 3ffe:501:ffff:101::/64 
                   |                                 192.168.1/24
                   |
                   |
                 ROUTER1(TN)
                   |3ffe:501:ffff:100::1
                   |192.168.0.1
                   |
Net-z   --+--------+-------------------------------- 3ffe:501:ffff:100::/64 
          |                                          192.168.0/24
        DNS Client1(NUT)
           3ffe:501:ffff:100:XXXX
           192.168.0.10
	

	XXXX: EUI64 address
	

• Setup

	Set the DNS Server1(TN)'s address on NUT as above mentioned Network Topology.
	

• Pre-Sequence

	In order to send the query for SRV type of _http._tcp.example.com. to the DNS Server1(TN), 
	NUT is configured.
	

TEST PROCEDURE

	This test sequence is following.


    DNS Client1 (NUT)                        DNS Server1 (TN)
        |                                              |
        |--------------------------------------------->|
        |           1. Send standard query             |
        |                                              |
        v                                              v


	1. NUT send standard query to TN.
                  Judgment (Check *1)

Packet Description
	

	  

	    

	      

	      1. Standard query from DNS Client1 (NUT) to DNS Server1 (TN) 
	      
	    
	    

	      
IP Header
	      
Source Address
	      
NUT_NETZ
	    
	    

	      
Destination Address
	      
SV_NETY
	    
	    

	      
UDP Header
	      
Src Port
	      
any
	    
	    

	      
Dst Port
	      
53
	    
 	   

 	     
DNS Header
 	     
ID
	      
any
	    
	    

	      
QR
	      
0
	    
	    

	      
OPCODE
	      
0
	    
	    

	      
AA
	      
any
	    
	    

	      
TC
	      
0
	    
	    

	      
RD
	      
any
	    
	    

	      
RA
	      
any
	    
	    

	      
Z
	      
any
	    
	    

	      
RCODE
 	     
any
	    
	    

	      
QDCOUNT
	      
1
 	   
	    

	      
ANCOUNT
	      
0
	    
	    

	      
NSCOUNT
	      
0
	    
	    

	      
ARCOUNT
	      
any
	    
	    

	      
DNS Question section
	      
QNAME
	      
_http._tcp.example.com.
	    
	    

	      
QTYPE
	      
SRV (0x0021)
	    
	    

	      
QCLASS
	      
any
	    
	  
	
NUT_NETZ : DNS Client1(NUT)'s address
SV_NETY : DNS Server1(TN)'s address

JUDGMENT

        1. Standard query for SRV type must be based on above Verification Points.

TERMINATION

        If NUT has cache function, clear the cache.

REFERENCE

	RFC2782 DNS SRV RR