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Configuring for Network Management Applications
LLDP (Link-Layer Discovery Protocol)
Viewing the Switch’s Current CDP Neighbors Table. Devices are listed
by the port on which they were detected.
Syntax: show cdp neighbors
Lists the neighboring CDP devices the switch detects,
with a subset of the information collected from the
device’s CDP packet.
[ [e] port-num [detail] ]
Lists the CDP device connected to the specified port.
(Allows only one port at a time.) Using detail provides
a longer list of details on the CDP device the switch
detects on the specified port.
[detail [ [e] port-num ] ]
Provides a list of the details for all of the CDP devices
the switch detects. Using port-num produces a list of
details for the selected port.
Figure 13-27 lists CDP devices that the switch has detected by receiving their
CDP packets.
Figure 13-27. Example of CDP Neighbors Table Listing
Enabling CDP Operation. Enabling CDP operation (the default) on the
switch causes the switch to add entries to its CDP Neighbors table for any
CDP packets it receives from other neighboring CDP devices.
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