Install bird-doc by entering the following commands in the terminal:
sudo apt update sudo apt install bird-doc
Description:
Internet Routing Daemon - documentation
BIRD is an Internet routing daemon with full support for all the major routing protocols. It allows redistribution between protocols with a powerful route filtering syntax and an easy-to-use configuration interface. . This package provides the user and developer documentation.
Homepage: http://bird.network.cz/
Version: 1.6.3-3
Section: universe/doc