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Configuring for Network Management Applications
CDP
Viewing the Switch’s Current CDP Configuration
Syntax: show cdp
Lists the switch’s global and per-port CDP configuration.
This example shows the default CDP configuration.
CDP Enable/Disable on the Switch
Packet Hold Time in CDP Neighbor Table
Interval for Transmitting Outbound
CDP Packets on All Ports
Per-Port CDP Enable/Disable
Figure 13-14. Example of Show CDP with the Default CDP Configuration
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. (For more on this topic, refer to
table 13-4, “CDP Neighbors Data” on page 13-39.)
[ [e] port-numb [detail] ]
Lists the CDP-aware device connected to the specified
port. (Allows only one port at a time.) Using detail
provides a longer list of details on the CDP-aware
device the switch detects on the specified port.
[detail [ [e] port-num ] ]
Provides a list of the details for all of the CDP-aware
devices the switch detects. Using port-num produces a
list of details for the selected port.
(For more on this topic, see “CDP Neighbor Data and MIB Objects” on page
13-38.)
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