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Internal security policies may mandate that an unused port must be protected by several layers to disallow access to the network. (i.e, shutdown the ports)

Task: Disable interfaces Gi0/1 to G10/24 on switch7

Solution:

switch7(config)#interface range Gi0/1-24
switch7(config-if)#shutdown

See links for more explanations

• http://ciscorouterswitch.over-blog.com/article-cisco-switch-port-security-how-to-configure-switch-security-100208010.html
• https://community.cisco.com/t5/switching/disabling-multiple-ports-on-a-3650-switch/td-p/743617