diff options
Diffstat (limited to 'README.txt')
| -rw-r--r-- | README.txt | 17 |
1 files changed, 12 insertions, 5 deletions
@@ -118,13 +118,20 @@ ip6tables -t mangle -A PREROUTING -d 2001:0DB8:0001::/48 -j DNPTV6 --to-destinat ip6tables -t mangle -A POSTROUTING -m mark --mark 42 -s FD01:0203:0405::/48 -j SNPTV6 --to-source 2001:0DB8:0001::/48 ip6tables -t mangle -A POSTROUTING -o eth0 -s FD01:0203:0405::/48 -j SNPTV6 --to-source 2001:0DB8:0001::/48 +If the router running NPTv6 is offering services itself, additional rules are +necessary for the services to be reachable by the external address: + +ip6tables -t mangle -A OUTPUT -d 2001:0DB8:0001::/48 -j MARK --set-mark 42 +ip6tables -t mangle -A OUTPUT -d 2001:0DB8:0001::/48 -j DNPTV6 --to-destination FD01:0203:0405::/48 +ip6tables -t mangle -A INPUT -m mark --mark 42 -s FD01:0203:0405::/48 -j SNPTV6 --to-source 2001:0DB8:0001::/48 + IPv6/IPv4 Precedence -With (EKU)buntu and eventually with RedHat, you will notice that your browser -does not show the IPv6 version of a web site that is multi-homed when using ULA -addresses for your IPv6 Internet connection. The reason for this is an add on -to the RFC 3484 rules that is compiled into the (EKU)buntu libc. The -pre-installed /etc/gai.conf file will give you a hint on this. +With most Linux distributions you will notice that your browser does not show +the IPv6 version of a web site that is multi-homed when using ULA addresses for +your IPv6 Internet connection. The reason for this is an add on to the RFC 3484 +rules that is compiled into the libc. The pre-installed /etc/gai.conf file will +give you a hint on this. In short: the getaddrinfo() library function rates a private IPv4 address higher than the ULA IPv6 address when choosing the transport protocol for a new |