MvV>> Two weeks ago my ISP dumped a firmware update on my router. There MvV>> may or may not be a connection, but I now get ony 18/20 from MvV>> http://ipv6-test.com/. The comment is that my router or firewall is MvV>> filtering ICMPV6.
TL> I get the same result, even though I explicitly allow ICMP messages to TL> my router.
Have you tried to determine if it is indeed the router and not the local firewall on the system doing the test?