Shutting down a port is done with the shutdown command under the Interface Configuration mode: Switch (config-if)#shutdown You can verify a port is in the shutdown state in multiple ways, one of which is using the show ip interface brief command: Router (config-if)#do. Shutting down a port is done with the shutdown command under the Interface Configuration mode: Switch (config-if)#shutdown You can verify a port is in the shutdown state in multiple ways, one of which is using the show ip interface brief command: Router (config-if)#do. On a cisco switch such as a catalyst 2900 & 3500 series switches, you can just shut the port down. It treats each port as a fast ethernet interface, so just log into the switch, go to interface configuration, and then do a shut. Switch>enable Switch#conf t Switch# (config)int fa 0/1 Switch#. This command has no arguments or keywords. The port is enabled (not shut down). The no shutdown command has no effect if the. Use these commands to administratively shut down or bring up a switch port. Useful when you need to power-cycle a PoE device, isolate a port, or troubleshoot a link. Shorthand: Interface names can be abbreviated — gi1/0/5 instead of GigabitEthernet1/0/5, or fa0/5 for FastEthernet. For example, if a Catalyst 2960 switch has 24 ports and there are three Fast Ethernet connections in use, it is good practice to disable the 21 unused ports. In this example, fa0/1 is a currently unused. I need to shutdown/disable a range of port of my switch Xtreme for security reasons, so nobody can use it. But disable command is unrecognized.
