Cisco Cisco IOS Software Release 12.4(2)T

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ICMP Unreachable Destination Counters
The ICMP Unreachable Destination Counters feature enables you to clear and display packets that have 
been discarded because of an unreachable destination, and to configure a threshold interval for triggering 
error messages. When message logging is generated, it displays on your console.
History for the ICMP Unreachable Destination Counters Feature
Finding Support Information for Platforms and Cisco IOS Software Images
Use Cisco Feature Navigator to find information about platform support and Cisco IOS software image 
support. Access Cisco Feature Navigator at 
. You must have an account on 
Cisco.com. If you do not have an account or have forgotten your username or password, click Cancel at 
the login dialog box and follow the instructions that appear. 
Contents
Information About 
ICMP Unreachable Destination Counters
To configure the ICMP Unreachable Counters feature, you should understand the following concepts:
Release
Modification
12.4(2)T
This feature was introduced.