dhcpcd5 software package provides RFC2131 compliant DHCP client with IPv4LL support, 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 dhcpcd5
dhcpcd5 is installed in your system.
Make ensure the dhcpcd5 package were installed using the commands given below,
$ sudo dpkg-query -l | grep dhcpcd5 *
You will get with dhcpcd5 package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Network |
| Package | dhcpcd5 |
| Version | 5.2.12-1 |
| Description | RFC2131 compliant DHCP client with IPv4LL support |
| Sub Section | Net |