Test v6LC.2.2.15 - Router Advertisement Processing, Reachable Time
Part A: RA Processing Reachable Time (Host Only)
Verify that a node updates its BaseReachableTime variable and re-computes its
ReachableTime variable upon receipt of a Router Advertisement or a configuration with a specified
Reachable Time.
* [ND] Sections 6.2.1 and 6.3.4
* Packet generator
* Monitor to capture packets
No Common Test Setup is performed. The Common Test Cleanup procedure is
performed after each part.
Router Advertisement
IPv6 Header
Next Header: 58
Source Address: TR1's Link-local Address
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Router Advertisement
Router Lifetime: [see below]
Reachable Time: [see below]
Retransmit Interval: 1 second
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Part A: RA Processing Reachable Time (Host Only)
1. TR1 transmits the Router Advertisement with a Router Lifetime of 0 seconds and a Reachable
Time of 10 seconds.
2. TN1 transmits a link-local Echo Request to the HUT. TN1 must reply to any Neighbor
Solicitations from the HUT.
3. Observe the packets transmitted by the HUT.
4. Repeat Step 2 every second for 40 seconds.
5. Observe the packets transmitted by the HUT.
6. TR1 transmits the Router Advertisement with a Reachable Time of 40 seconds.
7. Repeat Step 2 every seconds for 140 seconds.
8. Observe the packets transmitted by the HUT.
Part A
Step 3:
The HUT should solicit for TN1's link-local address and transmit an Echo Reply.
Step 5:
The HUT should transmit a Neighbor Solicitation with a Target Address of TN1's
link-local address at an interval between 10 and 20 seconds. [ReachableTime time (between
5 and 15 seconds) + DELAY_FIRST_PROBE_TIME (5 seconds)].
Step 8:
The HUT should transmit Neighbor Solicitations at an interval between 25 and 65
seconds. [ReachableTime time (between 20 and 60 seconds) +
DELAY_FIRST_PROBE_TIME (5 seconds)].
* None.