This tutorial explains Switchport security modes (Protect, Restrict and Shutdown), sticky address, mac address, maximum number of hosts and Switchport security violation rules in detail with examples. This complete port security configuration guide covers sticky MAC address learning, violation modes, troubleshooting err-disabled ports, and advanced security scenarios. If you try to set the maximum value to a number less than the number of secure addresses already configured on an interface, the command is rejected. Learn how to secure a switch port with Switchport security feature step by step. Here, we will learn the theory of this lesson. Port access policy allows network administrators to define a set of rules. 1X, MAC authentication) enabled.
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