Test v6LC.2.1.21 - Neighbor Advertisement Processing, R-bit Change (Hosts Only)
Part G
Verify that a host takes appropriate actions when a neighbor who is a router starts transmitting
Neighbor Advertisements with the Router flag clear.
* [ND] Section 7.2.5
* 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: TN1's Link-local Address
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Router Advertisement
Router Lifetime: 20 seconds
Reachable Time: 100 seconds
Retransmit Interval: 1 second
Prefix: TR1's Global Prefix
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Packet A
IPv6 Header
Next Header: 58
Source Address: TN1's off-link Global Address
Destination Address: HUT's Global Address
|
|
ICMPv6 Echo Request
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Neighbor Advertisement G
IPv6 Header
Next Header: 58
Source Address: TR1's Link-local Address
|
Neighbor Advertisement
Router flag: 0
Solicited flag: 0
Override flag: 1
Target Link-Layer option: TR1's Link-layer address
|
1. TR1 transmits the Router Advertisement without a Source Link-layer Address Option.
2. TN1 transmits Packet A.
3. Observe the packets transmitted by the HUT.
4. TR1 responds to Neighbor Solicitations from the HUT with a Neighbor Advertisement with the
Router, Solicited, and Override flags set.
5. Observe the packets transmitted by the HUT.
6. TR1 transmits Neighbor Advertisement A.
7. TN1 transmits Packet A.
8. Observe the packets transmitted by the HUT.
9. Perform common cleanup procedure.
10. Repeat Steps 1 through 8 seven times with Neighbor Advertisement B, C, D, E, F, G and H
respectively in Step 6.
Step 3:
The HUT should solicit TR1 by transmitting Neighbor Solicitations with a Target Address of
TR1's Link-local Address.
Step 5:
The HUT should transmit an Echo Reply to Packet A using the TR1 as the first hop.
Step 8:
The HUT MUST not transmit an Echo Reply using TR1 as the first hop in response to Packet
A in Step 7 and the HUT MUST not transmit multicast NS's with a target set to TR1's link-local
address.
* None.