S_RFC3315_21.4.5.2_Reconfig.seq - Sending Reconfigure Messages
Server
S_RFC3315_21.4.5.2_Reconfig.seq [-tooloption ...]
-pkt S_RFC3315_21.4.5.2_Reconfig.def
-tooloption: v6eval tool option. See also DHCPv6.def
TN(Client1)
|
Link0 -------+-----------+--------------- 3ffe:501:ffff:100::/64
|
NUT(Server1)
The server sets the "msg-type" field to RECONFIGURE. The server sets
the transaction-id field to 0. The server includes a Server
Identifier option containing its DUID and a Client Identifier option
containing the client's DUID in the Reconfigure message.
Because of the risk of denial of service attacks against DHCP
clients, the use of a security mechanism is mandated in Reconfigure
messages. The server MUST use DHCP authentication in the Reconfigure
message.
The server MUST include a Reconfigure Message option (defined in
section 22.19) to select whether the client responds with a Renew
message or an Information-Request message.
The server MUST NOT include any other options in the Reconfigure
except as specifically allowed in the definition of individual
options.
- Configuration
Enable Delayed Authenticaion Protocol Service
Authenticaion parameter
- DHCP realm: DHCPv6.TEST.EXAMPLE.COM
- Client DUID: 00:01:00:01:00:04:93:e0:00:00:00:00:a2:a2
- Key id: 1
- Shared secret key: TAHITEST_VALID12
| 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 |
NUT TN
| |
| | initialize NUT (as a DHCPv6 Server)
| |
| <---- | Solicit w/Reconfigure Accept Option w/ Authtication Option
| ----> | Advertise w/ Authtication Option
| <---- | Request w/Reconfigure Accept Option w/ Authtication Option
| ----> | Reply w/ Authtication Option
| |
| | Host address prefix is changed from 3ffe:501:ffff:100:: to 3ffe:501:ffff:200::
| | Reload server configuration
| |
| ----> | Reconfigure w/Option Request Option(IA_NA) w/IA_NA
| | w/Reconfigure Message Option w/Authentication Option(*1)
| |
(*1) PASS: TN receives Renew w/ Authentication Option from NUT.
N/A
see also RFC3315
19.1.1. Creation and Transmission of Reconfigure Messages
21.4.4.6. Receiving Reconfigure Messages
21.4.5 Server Considerations for Delayed Authentication protocol
22.11. Authentication Option
22.19. Reconfigure Message Option
perldoc V6evalTool