Denial of Service Commands 1137
Example
console(config)#ip icmp echo-reply
ip icmp error-interval
Use the ip icmp error-interval command to limit the rate at which IPv4
ICMP error messages are sent. The rate limit is configured as a token bucket
with two configurable parameters: Burst-size and burst-interval.
To disable ICMP rate limiting, set burst-interval to zero. Use the “no” form of
this command to return burst-interval and burst-size to their default values.
Syntax
ip icmp error-interval
burst-interval
[
burst-size
]
no ip icmp error-interval
•
burst-interval
— How often the token bucket is initialized (Range:
0–2147483647 milliseconds).
•
burst-size
— The maximum number of messages that can be sent during a
burst interval (Range: 1–200).
Default Configuration
Rate limiting is enabled by default.
The default burst-interval is 1000 milliseconds.
The default burst-size is 100 messages.
Command Mode
Global Configuration mode
User Guidelines
There are no user guidelines for this command
Example
console(config)#ip icmp error-interval 1000 20
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