isatapd software package provides creates and maintains an ISATAP client tunnel (RFC 5214), 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 isatapd
isatapd is installed in your system.
Make ensure the isatapd package were installed using the commands given below,
$ sudo dpkg-query -l | grep isatapd *
You will get with isatapd package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Network |
| Package | isatapd |
| Version | 0.9.6-2 |
| Description | creates and maintains an ISATAP client tunnel (RFC 5214) |
| Sub Section | Net |