How to configure a network interface for IPv6 on Ubuntu?

@aliya.yundt 

To configure a network interface for IPv6 on Ubuntu, you can follow these steps:

1. Open the terminal and type the following command to edit the network configuration file:sudo nano /etc/network/interfaces
2. Locate the interface you want to configure and add the following lines:auto <interface_name> iface <interface_name> inet6 static address <IPv6_address> netmask <IPv6_netmask> gateway <IPv6_gateway> Replace <interface_name> with the name of the interface you want to configure, <IPv6_address> with the IPv6 address you want to assign to the interface, <IPv6_netmask> with the netmask of the IPv6 address, and <IPv6_gateway> with the IPv6 address of the gateway.
3. Save the file and exit the editor.
4. Restart the networking service by typing the following command:sudo service networking restart
5. Verify that the interface is configured correctly by typing the following command:ip -6 addr show <interface_name> This will display the IPv6 address, netmask, and gateway configured for the interface.

That's it! Your interface is now configured for IPv6.