Ubuntu IPv6
From Teknologisk videncenter
Contents
Enabling/Disabling IPv6
In flight
- Note
- Enabling or disabling IPv6 this way is only in effect until next boot.
Disabling
sysctl -w net.ipv6.conf.all.disable_ipv6=1
sysctl -w net.ipv6.conf.default.disable_ipv6=1
sysctl -w net.ipv6.conf.lo.disable_ipv6=1
Enabling
sysctl -w net.ipv6.conf.all.disable_ipv6=0
sysctl -w net.ipv6.conf.default.disable_ipv6=0
sysctl -w net.ipv6.conf.lo.disable_ipv6=0
Manually adding an IPv6 Address
ifconfig eth0 add 2001:16d8:dd85:139::50/64
Disable permanent
Add the following lines to /etc/sysctl.conf.
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1
Configure as IPv6 Router
Uncomment the line net.ipv6.conf.all.forwarding=1 in /etc/sysctl.conf and reboot
Install Route Advertisement daemon for IPv6
sudo apt-get install radvd
Configure radvd
Example configuration of /etc/radvd shown below. (See /usr/share/doc/radvd/examples)
interface eth1
{
AdvSendAdvert on;
prefix 2001:470:51dc:1::/64
{
AdvOnLink on;
AdvAutonomous on;
};
};