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Cisco Catalyst 4500 Series Software Configuration Guide

Cisco Catalyst 4500 Series
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31-2
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Chapter 31 Configuring CDP
Configuring CDP
Displaying the CDP Interface Configuration, page 31-3
Monitoring and Maintaining CDP, page 31-3
Enabling CDP Globally
To enable CDP globally, use this command:
This example shows how to enable CDP globally:
Switch(config)# cdp run
Displaying the CDP Global Configuration
To display the CDP configuration, use this command:
This example shows how to display the CDP configuration:
Switch# show cdp
Global CDP information:
Sending CDP packets every 120 seconds
Sending a holdtime value of 180 seconds
Sending CDPv2 advertisements is enabled
Switch#
For additional CDP show commands, see the “Monitoring and Maintaining CDP” section on page 31-3.
Enabling CDP on an Interface
To enable CDP on an interface, use this command:
This example shows how to enable CDP on Fast Ethernet interface 5/1:
Switch(config)# interface fastethernet 5/1
Switch(config-if)# cdp enable
Command Purpose
Switch(config)# [no] cdp run
Enables CDP globally.
Use the no keyword to disable CDP globally.
Command Purpose
Switch# show cdp
Displays global CDP information.
Command Purpose
Switch(config-if)# [no] cdp enable
Enables CDP on an interface.
Use the no keyword to disable CDP on an interface.

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Cisco Catalyst 4500 Series Specifications

General IconGeneral
SeriesCatalyst 4500 Series
CategorySwitch
Layer SupportLayer 2, Layer 3
Form FactorModular chassis
StackableNo
Chassis Slots3, 6, 7, 10
Power Supply OptionsAC, DC
RedundancyPower supply, Supervisor engine
Network ManagementCisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
FeaturesSecurity, QoS
Port DensityUp to 384 ports per chassis
Security Features802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine8-E

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