Cisco Catalyst 2960 Series User Manual

What to Do Next
You must reenable CDP to use it.
Related Topics
Enabling CDP, on page 436
Default CDP Configuration, on page 432
Enabling CDP
CDP is enabled by default.
Switch clusters and other Cisco devices (such as Cisco IP Phones) regularly exchange CDP messages.
Disabling CDP can interrupt cluster discovery and device connectivity.
Note
Follow these steps to enable CDP when it has been disabled.
Before You Begin
CDP must be disabled, or it cannot be enabled.
SUMMARY STEPS
1.
enable
2.
configure terminal
3.
cdp run
4.
end
5.
show running-config
6.
copy running-config startup-config
DETAILED STEPS
PurposeCommand or Action
Enables privileged EXEC mode. Enter your password
if prompted.
enable
Example:
Switch> enable
Step 1
Enters the global configuration mode.configure terminal
Example:
Switch# configure terminal
Step 2
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
436
How to Configure CDP

Cisco Catalyst 2960 Series Specifications

General

Layer	Layer 2
Power over Ethernet (PoE)	Available on some models
RAM	128 MB
Flash Memory	32 MB
MAC Address Table Size	8000
Operating Temperature	0°C to 45°C (32 to 113°F)
Ports	24 or 48 x 10/100/1000