NAME

  S_RFC3736_5.2_SLDHCPInterID.seq - Checking Interface-id option in Reply message

TARGET

  Server

SYNOPSIS

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

INITIALIZATION

• Network Topology

                TN(Client1)
                   |
Link1 -------------+-------+-------------- 3ffe:501:ffff:101::/64
                           |
                         TN (Relay1)
                           |
Link0 ---------------------+---------+--- 3ffe:501:ffff:100::/64
                                     |
                                 NUT(Server1)
  

• Verification Points

          

Interface-ID Option format  The format of the Interface ID 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_INTERFACE_ID      |         option-len            |
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
    .                                                               .
    .                         interface-id                          .
    .                                                               .
    +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+


Relay-reply Message Format
      
msg-type
          RELAY-REPL(13)
      
Interface-Id option
	  Same as the RELAY-FORW Message
          
Interface-Id option's format
option-code
OPTION_INTERFACE_ID (18)
option-len
Length of interface-id field.
interface-id
An opaque value of arbitrary length generated
by the relay agent to identify one of the
relay agent's interfaces.

• Configuration

      Option Request option in the Information-request message
      
option-code
      OPTION_ORO(6)
      
option-len
      Any
      
requested-option-code-1
      OPTION_INTERFACE_ID(18)
      

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
Relay1(Link1)	TN	Link1	3ffe:501:ffff:101::/64	fe80::200:ff:fe00:a2a2	00:00:00:00:a2:a2
Relay1(Link0)	TN	Link0	3ffe:501:ffff:100::/64	fe80::200:ff:fe00:a4a4	00:00:00:00:a4:a4
Client1	TN	Link0	3ffe:501:ffff:101::/64	fe80::200:ff:fe00:a2a2	00:00:00:00:a2:a2

TEST PROCEDURE

       NUT     TN
        |       | 
        |       | initialize NUT (as a DHCPv6 Server)
        |       | 
        | <---- | Relay-Forward(Information-request w/interface-id option)
        | ----> | Relay-Reply (w/Interface-id option) (*1)
        |       | 
        |       | 

JUDGEMENT

(*1)PASS:  NUT returns the Relay-Reply message with Interface-id option.

TERMINATION

REFERENCE

   see also RFC3315
   22.18. Interface-Id Option   see also RFC3736
   5.2. Options Required for Stateless DHCP Service

SEE ALSO