(= Cisco Discovery Protocol, "Cisco avastusprotokoll")

olemus
Cisco omandprotokoll konfiguratsiooniandmete edastuseks naaberseadmetele, töötab lülikihis (OSI kiht 2), teatab näiteks operatsioonisüsteemi versiooni ja IP-aadressi
= a proprietary Data Link Layer protocol developed by Cisco Systems for sharing information about other directly connected Cisco equipment, such as the operating system version and IP address

ülevaateid
https://en.wikipedia.org/wiki/Cisco_Discovery_Protocol
https://wiki.wireshark.org/CDP
https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst4500/12-2/25ew/configuration/guide/conf/cdp.pdf
http://www.cisco.com/c/en/us/td/docs/ios/12_2/configfun/configuration/guide/ffun_c/fcf015.html