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12-19
Configuring for Network Management Applications
CDP
Monitoring and Managing
the Switch
Viewing the Switch’s Current CDP Configuration
This command lists the switch’s global and per-port CDP configuration. (In
the factory default configuration, the switch runs CDP on all ports with a hold
time of 180 seconds and a transmit interval of 60 seconds.)
Syntax: show cdp
This example shows the default CDP configuration.
Figure 12-9. Example of Show CDP with the Default CDP Configuration
Viewing the Current Contents of the Switch’s CDP Neighbors
Table
This command lists the neighboring CDP devices the switch has detected.
Devices are listed by the port on which they were detected. The entry for a
specific device includes a subset of the information collected from the device’s
CDP packet. (For more on this topic, see “CDP Neighbor Data and MIB
Objects” on page 12-25.)
Syntax: show cdp neigbors [detail]
This example lists six CDP devices (four switches and two workstations) that
the switch has detected by receiving their CDP packets.
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