server# pkg_add -r cdpr
server# rehash

server# pkg install cdpr

или

server# apt-get install cdpr

server# cdpr

[server:~] # pkg_add -r cdpd

[server:~] # /usr/local/etc/rc.d/cdpd rcvar

[server:~] # /usr/local/etc/rc.d/cdpd start 

Работа с исходными текстами

root@server:~# apt-get install libpcap-dev

root@server:~# cd /usr/src

root@server:/usr/src# wget http://snar.spb.ru/prog/cdpd/cdpd-1.0.4.1.tgz

root@server:/usr/src# tar -xvzf cdpd-1.0.4.1.tgz
root@server:/usr/src# cd cdpd-1.0.4.1

root@server:/usr/src/cdpd-1.0.4.1# ./configure --prefix /usr/local/cdpd
root@server:/usr/src/cdpd-1.0.4.1# make install clean

root@server:~# /etc/init.d/cdpd start

switch# show cdp neighbors