Ip Unreachables - Cisco Nexus 3548 Command Reference Manual

ip unreachables

ip unreachables
To enable the generation of Internet Control Message Protocol (ICMP) unreachable messages, use the
ip unreachables command. To disable this function, use the no form of this command.
Syntax Description
This command has no arguments or keywords.
Command Default Enabled
Command Modes Interface configuration mode
Subinterface configuration mode
Command History Release
5.0(3)A1(1)
Usage Guidelines
The ip unreachables command is not supported in Warp mode.
ICMP unreachables are not generated in Warp mode
This command requires the LAN Base Services license.
Examples This example shows how to enable the generation of ICMP unreachable messages on an interface:
switch# configure terminal
switch(config)# interface ethernet 2/1
switch(config-if)# no switchport
switch(config-if)# ip unreachables
switch(config-if)#
Related Commands Command
ip port-unreachable
Cisco Nexus 3548 Switch NX-OS Unicast Routing Command Reference
216
ip unreachables
no ip unreachables
Modification
This command was introduced.
Description
Sends ICMP port unreachable messages.
Chapter Unicast Routing Commands
OL-27852-01