Hi, On Sonntag, 4. September 2011, Mike Gabriel wrote: > Because... > > 1. it is not needed in a non-IPv6 network > 2. it flushes /var/log/syslog with error messages > > The alternative (for getting rid of the error messages) would be a DNS > setup for IPv6 which definitely is a no-go. Right. Thanks. cheers, Holger P.S.: even though you don't need NAT with IPv6, you can still firewall machines :)