Cisco Nexus 3548

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