Use this command to enable sending ICMP destination unreachable messages on an interface.
None.
None.
Interface Configuration.
Use the no ip icmp unreachable command to disable sending ICMP destination unreachable messages on this interface.
This example shows how to enable the sending of ICMP destination unreachable messages on VLAN 1:
System(rw)->configure System(rw-config)->interface vlan.0.1 System(rw-config-intf-vlan.0.1)->ip icmp unreachable