NAME

  S_RFC3736_5.2_SLDHCPSID.seq - Checking Server ID option in Reply message

TARGET

  Server

SYNOPSIS

 S_RFC3736_5.2_SLDHCPSID.seq [-tooloption ...]
 -pkt S_RFC3736_5.2_SLDHCPSID.def 
 -tooloption: v6eval tool option
See Also  DHCPv6.def 
 

INITIALIZATION

• Network Topology

          TN(Client1)  
             |
Link0 -------+-----------+--------------- 3ffe:501:ffff:100::/64
                         |
                       NUT(Server1)
  

• Verification Points

   The Server Identifier option is used to carry a DUID (see section 9)
   identifying a server between a client and a server.  The format of
   the Server Identifier option is:

       0                   1                   2                   3
       0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      |        OPTION_SERVERID        |          option-len           |
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      .                                                               .
      .                              DUID                             .
      .                        (variable length)                      .
      .                                                               .
      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 

      option-code   OPTION_SERVERID (2). 

      option-len    Length of DUID in octets. 

      DUID          The DUID for the server. 

• Configuration

      Option Request option in the Information-request message
      
option-code
      OPTION_ORO(6)
      
option-len
      Any
      
requested-option-code-1
      OPTION_DNS_SERVERS(23)
      

Device Name	Device Type	I/F	Assigned Prefix	Link Local Addr	MAC Addr
Server1	NUT	Link0	3ffe:501:ffff:100::/64	NUT's Linklocal address	NUT's MAC address
Client1	TN	Link0	3ffe:501:ffff:100::/64	fe80::200:ff:fe00:a2a2	00:00:00:00:a2:a2

TEST PROCEDURE

       NUT     TN
        |       | 
        |       | initialize NUT (as a DHCPv6 Server)
        |       | 
        | <---- | Information-request(w/ Option Request option)
        | ----> | Reply (w/ Server ID option) (*1)
        |       | 
        |       | 

JUDGEMENT

(*1)PASS:  NUT returns the Reply message with Server ID option.

TERMINATION

REFERENCE

   see also RFC3315
   22.3. Server Identifier Option   see also RFC3736
   5.2. Options Required for Stateless DHCP Service

SEE ALSO