NAME

  Test v6LC.2.3.14 - Neighbor Cache Updated from State PROBE (Hosts Only)
  Part D: TLLA Option, Redirected Packet Option, Link-layer Address Updated

Purpose

  Verify that a host properly updates its Neighbor Cache entry upon receipt of a valid ICMP
  Redirect Message.

References

  * [ND]  Sections 8.3

Resource Requirements

  * Packet generator
  * Monitor to capture packets

Test Setup

  Common Setup 1.1 is performed at the beginning of each test part. 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. The following table details the Redirect message transmitted in each Part:

TLLA Option	Redirected Packet Option	New NC State	Link-layer Address	Part
Different	Yes	STALE	Updated	D

Procedure

  Part D: TLLA Option, Redirected Packet Option, Link-layer Address Updated
   28. Repeat Steps 12 through 27 from C, using the Redirect message detailed in the table above.

Observable Results

  Parts C through E
   Step 14:
   The HUT should respond with an Echo Reply.

   Step 17:
   The HUT should respond to the Echo Request using TR1 as a first hop.

   Step 19:
   The HUT should respond with an Echo Reply.

   Step 24:
   The HUT should respond with an Echo Reply sent to the updated link-layer address.

   Step 24:
   The HUT should send a unicast Neighbor Solicitation for TR2, indicating the HUT
   had a NCE for TR2 in state STALE.

Possible Problems

  * None.