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Configuring CDP
Configuring CDP
These sections contain this configuration information:
•
•
•
•
Default CDP Configuration
Table 24-1
Table 24-1
Feature
CDP global state
CDP interface state
CDP timer (packet update frequency)
CDP holdtime (before discarding)
CDP Version-2 advertisements
Configuring the CDP Characteristics
You can configure the frequency of CDP updates, the amount of time to hold the information before
discarding it, and whether or not to send Version-2 advertisements.
Beginning in privileged EXEC mode, follow these steps to configure the CDP timer, holdtime, and
advertisement type.
Steps 2 through 4 are all optional and can be performed in any order.
Note
Command
Step 1
configure terminal
Step 2
cdp timer seconds
Step 3
cdp holdtime seconds
Step 4
cdp advertise-v2
Step 5
end
Cisco Catalyst Blade Switch 3020 for HP Software Configuration Guide
24-2
Default CDP Configuration, page 24-2
Configuring the CDP Characteristics, page 24-2
Disabling and Enabling CDP, page 24-3
Disabling and Enabling CDP on an Interface, page 24-4
shows the default CDP configuration.
Default CDP Configuration
Purpose
Enter global configuration mode.
(Optional) Set the transmission frequency of CDP updates in seconds.
The range is 5 to 254; the default is 60 seconds.
(Optional) Specify the amount of time a receiving device should hold the
information sent by your device before discarding it.
The range is 10 to 255 seconds; the default is 180 seconds.
(Optional) Configure CDP to send Version-2 advertisements.
This is the default state.
Return to privileged EXEC mode.
Chapter 24
Default Setting
Enabled
Enabled
60 seconds
180 seconds
Enabled
Configuring CDP
OL-8915-03
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