Show cdp Commands Flashcards
Show cdp neighbor detail
Lists one large set (approximately 15 lines) of information, one set for every neighbor.
Show cdp neighbors [type number]
Lists one summary line of information about each neighbor, or just the neighbor found on a specific interface if an interface was listed.
Show cdp entry (name)
Lists the same information as the show cdp neighbors detail command, but only for the named neighbor (case sensitive).
Show cdp
States whether cdp is enabled globally, and lists the default update and holdtime timers.
Show cdp interface
[type number]
States whether CDP is enabled on each interface, or a single interface if the interface is listed, and states update and holdtime timers on those interfaces.
Show cdp traffic
Lists global statistics for the number of CDP advertisements sent and received.
CDP discovers several useful details from the neighboring Cisco devices:
Device identifier: typically the host name
Address list: network and data link addresses
Port identifiers: the interface on the remote router or switch on the other end of the link that sent the CDP advertisement
Capabilities list: information on what type of device it is
Platform: the model and OS level running on the device.
CDP can be disabled globally and per-interface. Per- interface,
No CDP enable CDP enable interface subcommands toggle CDP off and on, respectively.
Global command toggles CDP off and on for the entire switch
No CDP run - off
Cdp run - on
