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freebsd# pkg install cdpr или linux# apt install cdpr server# cdpr
[server:~] # pkg install cdpd [server:~] # service cdpd rcvar [server:~] # service cdpd start
root@server:~# apt install lldpd root@server:~# cat /etc/default/lldpd
... DAEMON_ARGS="-x -c -s -e"
root@server:~# service lldpd restart
switch# show cdp neighbors