bird6 software package provides Internet Routing Daemon, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install bird6
bird6 is installed in your system.
Make ensure the bird6 package were installed using the commands given below,
$ sudo dpkg-query -l | grep bird6 *
You will get with bird6 package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Network |
| Package | bird6 |
| Version | 1.3.4-1 |
| Description | Internet Routing Daemon |
| Sub Section | Net |