ndisc6 software package provides IPv6 diagnostic tools, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install ndisc6
ndisc6 is installed in your system.
Make ensure the ndisc6 package were installed using the commands given below,
$ sudo dpkg-query -l | grep ndisc6 *
You will get with ndisc6 package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Network |
| Package | ndisc6 |
| Version | 1.0.1-1ubuntu1 |
| Description | IPv6 diagnostic tools |
| Sub Section | Net |