This minimal setup procedure provides the NUT with a default router TR1, a global prefix, and ensures that the NUT can communicate with TR1.
TR1 HUT
| |
| --> | RA
| |
* | Wait (MAX_RTR_SOLICITATION_DELAY + RetransTimer * DupAddrDetectTransmits)
| |
| ----> | Echo Request
| <-- | NS
| ----> | NA
| <---- | Echo Reply
| |
V V
1. Send RA
IPv6 header
hop limit = 255
source = TR1 (link-local)
destination = all-nodes multicast address
RA
cur hop limit = 64
M = 0
O = 0
router lifetime = 1800
reachable time = 30000
retrans timer = 1000
Prefix Information option
prefix length = 64
L = 1
A = 1
valid Lifetime = 2592000
preferred lifetime = 604800
prefix = 3ffe:501:ffff:100::
2. Wait (MAX_RTR_SOLICITATION_DELAY + RetransTimer * DupAddrDetectTransmits)
Host constants:
MAX_RTR_SOLICITATION_DELAY: 1 second
Node constants:
RETRANS_TIMER : 1,000 milliseconds
Host Variables:
RetransTimer
Default : RETRANS_TIMER milliseconds
Node Variables:
DupAddrDetectTransmits
Default : 1
3. Send Echo Request
IPv6 header
source = TR1 (link-local)
destination = HUT (link-local)
Echo Request
4. Observe NS
IPv6 header
hop limit = 255
source = HUT (link-local)
destination = TR1 (solicited-node multicast address)
NS
target = TR1 (link-local)
SLL option
5. Send NA
IPv6 header
hop limit = 255
source = TR1 (link-local)
destination = HUT (link-local)
NA
R = 1
S = 1
O = 1
target = TR1 (link-local)
TLL option
6. Observe Echo Reply
IPv6 header
source = HUT (link-local)
destination = TR1 (link-local)
Echo Reply
- Verify that NUT transmits valid NSs in PROBE state
- Verify that NUT transmits multicast NSs 3 times
TN1 NUT
| |
| ----> | Echo Request
| <-- | NS (multicast)
| ----> | NA
| <---- | Echo Reply
| |
* | Wait (REACHABLE_TIME * MAX_RANDOM_FACTOR)
| |
| ----> | Echo Request
| <---- | Echo Reply
| |
* | Wait (DELAY_FIRST_PROBE_TIME)
| |
| <---- | NS (unicast) [Judgment #1]
| <---- | NS (unicast)
| <---- | NS (unicast)
| |
V V
1. Send Echo Request
IPv6 header
source = TN1 (link-local)
destination = NUT (link-local)
Echo Request
State: INCOMPLETE (TN1) (link-local)
2. Observe NS
IPv6 header
hop limit = 255
source = NUT (link-local)
destination = TN1 (solicited-node multicast address)
NS
target = TN1 (link-local)
SLL option
3. Send NA
IPv6 header
hop limit = 255
source = TN1 (link-local)
destination = NUT (link-local)
NA
R = 0
S = 1
O = 1
target = TN1 (link-local)
TLL option
State: REACHABLE (TN1) (link-local)
4. Observe Echo Reply
IPv6 header
source = NUT (link-local)
destination = TN1 (link-local)
Echo Reply
5. Wait (REACHABLE_TIME * MAX_RANDOM_FACTOR)
Node constants:
REACHABLE_TIME : 30,000 milliseconds
MAX_RANDOM_FACTOR: 1.5
State: STALE (TN1) (link-local)
6. Send Echo Request
IPv6 header
source = TN1 (link-local)
destination = NUT (link-local)
Echo Request
7. Observe Echo Reply
IPv6 header
source = NUT (link-local)
destination = TN1 (link-local)
Echo Reply
State: DELAY (TN1) (link-local)
8. Wait (DELAY_FIRST_PROBE_TIME)
Node constants:
DELAY_FIRST_PROBE_TIME: 5 seconds
State: PROBE (TN1) (link-local)
9. Observe MAX_UNICAST_SOLICIT NSs [Judgment #1]
IPv6 header
hop limit = 255
source = NUT (link-local)
destination = TN1 (link-local)
NS
target = TN1 (link-local)
SLL option
Node constants:
MAX_UNICAST_SOLICIT: 3 transmissions
State: NONE (TN1) (link-local)
- Remove global address
TN1 NUT R0
| | |
| | <-- | RA (rltime=0, vltime=0, pltime=0) (If NUT isn't Router)
| | |
V V V
State: NONE (TN1) (link-local)
1. Send RA (If NUT isn't Router)
IPv6 header
hop limit = 255
source = R0 (link-local)
destination = all-nodes multicast address
RA
cur hop limit = 64
M = 0
O = 0
router lifetime = 0
reachable time = 0
retrans timer = 0
Prefix Information option
prefix length = 64
L = 1
A = 1
valid Lifetime = 0
preferred lifetime = 0
prefix = 3ffe:501:ffff:100::
State: NONE (TN1) (link-local)