Cisco Cisco IOS Software Release 12.2(27)SBC
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ICMP Unreachable Rate Limiting User Feedback
The ICMP Unreachable Rate Limiting User Feedback 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.
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.
Configuration Information
Configuration information is included in the “Configuring IP Services” module of the
Cisco IOS IP
Application Services Configuration Guide, Release 12.4T,
at the following URL:
The following sections provide information about this feature:
•
ICMP Overview
•
Denial of Service Attack
•
Configuring ICMP Unreachable Rate Limiting User Feedback
•
Disabling ICMP Services: Example
For a complete list of features included in the “Configuring IP Services” module, see the Feature
Information Table located toward the end of the module.
Information Table located toward the end of the module.
Command Reference Information
Command reference information is included in the Cisco IOS IP Application Services Command
Reference,
Reference,
Release 12.2SB, at the following URL:
New or Modified Commands
The following commands are new or modified for this feature:
•
clear ip icmp rate-limit
•
ip icmp rate-limit unreachable
•
show ip icmp rate-limit