So I suggest that you weigh carefully whatever requirement leads you to disable all console access againt the loss of a potentially valuable troubleshooting tool. If we had not had console access I am not sure how we would have resolved this problem. The only access that we had to the routers was through the console port. The switches to which they were connected indicated that the switch ports were not connected, so there was some issue on the router side. When power was restored the routers did not come back on line. I have a customer who has a pair of routers that recently went through a power failure. Access to the console port is an important part of the troubleshooting process for some problems. Some RouterBOARDs have LCD module for informational purpose, set pin or disable it. interface print /interface set x disabledyes. It is good practice to disable all unused interfaces on your router, in order to decrease unauthorised access to your router. I would join with PK in asking you to think carefully before you do this. Router interface Ethernet/SFP interfaces. If your requirement is to disable the console port then no exec is the way to disable it. For IOS based equipment there is a single solution that works. I doubt that there is any answer that will work for ALL Cisco equipment.
Since you do not indicate what Cisco equipment that you have this is a very broad set of equipment. Your original post said that you need to do this for ALL Cisco equipment.
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