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10-22

Configuring for Network Management Applications

CDP

Figure 10-12. View of the CDP Neighbors Table Immediately After Executing cdp clear

Configuring CDP Operation

Enabling or Disabling CDP Operation on the Switch. Enabling CDP

operation (the default) on the switch causes the switch to:

■ Transmit CDP packets describing itself to other, neighboring CDP

devices

■ Add entries to its CDP Neighbors table for any CDP packets it receives

from other, neighboring CDP devices

Disabling CDP operation clears the switch’s CDP Neighbors table, prevents

the switch from transmitting outbound CDP packets to advertise itself to

neighboring CDP devices, and causes the switch to drop inbound CDP packets

from other devices without entering the data in the CDP Neighbors table.

For example, to disable CDP on the switch:

HPswitch(config) no cdp run

When CDP is disabled:

■ show cdp neighbors displays an empty CDP Neighbors table

■ show cdp displays

Global CDP information

Enable CDP [Yes]: No

Note that the table will again list entries after the switch

receives new CDP packets from neighboring CDP devices.

Syntax: [no] cdp run

Enables or disables CDP operation on the switch.

(Default: Enabled)

!Software.book Page 22 Thursday, October 10, 2002 6:10 PM

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