Denial of Service Commands 1403
ip unreachables
Use the ip unreachables command to enable the generation of ICMP
Destination Unreachable messages. Use the no form of this command to
prevent the generation of ICMP Destination Unreachable messages.
Syntax
ip unreachables
no ip unreachables
Default Configuration
ICMP Destination Unreachable messages are enabled.
Command Mode
Interface Configuration (VLAN) mode
User Guidelines
There are no user guidelines for this command.
Example
console(config-if-vlan10)#ip icmp unreachables
ip redirects
Use the ip redirects command to enable the generation of ICMP Redirect
messages. Use the no form of this command to prevent the sending of ICMP
Redirect Messages. In global configuration mode, this command affects all
interfaces. In interface configuration mode, it only affects that interface.
Syntax
ip redirects
no ip redirects
Default Configuration
ICMP Redirect messages are enabled by default.
2CSPC4.XCT-SWUM2XX1.book Page 1403 Monday, October 3, 2011 11:05 AM