gate# pkg_add -r cdpr
gate# rehash
или
gate# apt-get install cdpr


gate# cdpr

[gate:~] # pkg_add -r cdpd

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

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

wget http://snar.spb.ru/prog/cdpd/cdpd-1.0.4.1.tgz

switch# show cdp neighbors