|73||Redirect vs RA w/ RouterLifetime=0 #2||WARN||X||X||X||Link0||Link0|
If NUT is so, the test veirfy if NUT's NUD can flush the redirected entries or not. However, if NUT's Reachable Time is long, the redirected efntries will remain for a while. This is why the test judges NUT WARN in sted of FAIL in the case.
6.3.4. Processing Received Router Advertisements On receipt of a valid Router Advertisement, a host extracts the source address of the packet and does the following: - If the address is not already present in the host's Default Router List, and the advertisement's Router Lifetime is non- zero, create a new entry in the list, and initialize its invalidation timer value from the advertisement's Router Lifetime field. - If the address is already present in the host's Default Router List as a result of a previously-received advertisement, reset its invalidation timer to the Router Lifetime value in the newly-received advertisement. - If the address is already present in the host's Default Router List and the received Router Lifetime value is zero, immediately time-out the entry as specified in Section 6.3.5.