NAME

  S_RFC3315_9.2_DUID-LLTPersit.seq  - The consistency of DUID-LLT

TARGET

  Server

SYNOPSIS

 S_RFC3315_9.2_DUID-LLTPersit.seq [-tooloption ...]
 -pkt S_RFC3315_9.2_DUID-LLTPersit.def 
 -tooloption: v6eval tool option
 

INITIALIZATION

• Network Topology

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

• Verification Points

DUID Format in the Server ID option

   The following diagram illustrates the format of a DUID-LLT:
     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
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
    |               1               |    hardware type (16 bits)    |
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
    |                        time (32 bits)                         |
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
    .                                                               .
    .             link-layer address (variable length)              .
    .                                                               .
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
      
DUID type
          1
      
hardware type
          Hardware type of DUID is IANA-assgined value in RFC826
      
time
          time value of DUID
      
link-layer address
          link-layer address of DUID
          

After rebooting
	  
Keep the DUID value
	  

• Configuration

	The type of DUID used by server is DUID_LLT(1).
	

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)
	        |       | 
	        | <---- | Solicit
	        | ----> | Advertise   (*1)
	        |       | 
	         reboot
	        | <---- | Solicit
	        | ----> | Advertise   (*2)

JUDGEMENT

 The DUID's  format in the Server's Identifier option of Advertise message
 must be base on description of RFC(see above Verification Points).(*1)
 After restarting the DUID must be keeped. (*2)

TERMINATION

REFERENCE

 see also RFC3315
 9.2 DUID Based on Link-layer Address Plus Time [DUID-LLT]
 22.3. Server Identifier Option

SEE ALSO