Test v6LC.2.2.17 - Router Advertisement Processing, IsRouter flag (Hosts Only)
Part A: RA without Source Link-layer option
Verify that a host properly updates the IsRouter flag in its Neighbor Cache upon receipt of a
Router Advertisement.
* [ND] Sections 6.3.4
* Packet generator
* Monitor to capture packets
No Common Test Setup is performed. Wait at least 3 seconds
(MAX_MULTICAST_SOLICIT * RETRANS_TIMER) after any previous cleanup to make sure all
previous NCE's are in state No NCE. The Common Test Cleanup procedure is performed after each
part.
Router Advertisement A
IPv6 Header
Next Header: 58
Source Address: TR1's Link-local Address
|
Router Advertisement
Router Lifetime: 600 seconds
Reachable Time: 0 seconds
Retransmit Interval: 1 second
Source Link-layer Option |
Echo Request A
IPv6 Header
Next Header: 58
Source Address: TN2's off-link Global Address
Destination Address: HUT's Global Address
|
|
ICMPv6 Echo Request
|
Part A: RA without Source Link-layer option
1. TR1 transmits a Link-local Echo Request to the HUT.
2. TR1 answers any Neighbor Solicitations with a Neighbor Advertisement (R=0, S=1, O=1) to the
HUT.
3. Observe the packets transmitted by the HUT.
4. TR1 transmits Router Advertisement A without a Source Link-layer option to the HUT.
5. Wait for the HUT to perform Duplicate Address Detection on its global address.
6. TN2 transmits Echo Request A to the HUT with a nexthop of TR1.
7. Observe the packets transmitted by the HUT.
Part A
Steps 3:
The HUT should transmit an Echo Reply to TR1's link local address and update it's
NCE to state REACHABLE. The HUT sets the isRouter flag to false.
Step 7:
The HUT sets the isRouter flag to true and transmits an Echo Reply to TN2's off-link
address with a next hop of TR1.
* None.