Comments about the test

No. Title Result Log Script Packet Dump
(bin)		 Dump
(txt)
73 Redirect vs RA w/ RouterLifetime=0 #2 WARN X X X Link0 Link0

Category

Commentaries

It is not fail that NUT does not flush the redirected entries with RA w/ RouterLifetime=0. Because RFC2461 does not mention the case where a router's address is not present in NUT's Default Router List and received Router Lifetime value is zero: 

      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.
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.

References

Notes

Implementors information

[email protected]