CLI Guide

Layer 3 Routing Commands 1521
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 unreachables
match ip address
Use this command to specify IP address match criteria for a route map. Use
the no form of this command to delete a match statement from a route map.
Syntax
match ip address access-list-name [access-list-name]
no match ip address [access-list-name]
• access-list-name — The access-list name that identifies the named IP ACLs. The
name can be up to 31 characters in length.
Default Configuration
There is no default configuration for this command.