These addresses can be learned dynamically or configured statically and are stored in the MAC address table, as well as in the switch configuration. Sticky secure MAC addresses are a combination of static secure MAC addresses and dynamic secure MAC addresses. However, unlike static secure MAC addresses, dynamic secure MAC address entries are removed from the switch when the switch is reloaded or powered down. When static secure MAC addresses are assigned to a secure port, the switch will not forward frames that do not have a source MAC address that matches the configured static secure MAC address or addresses.ĭynamic secure MAC addresses are dynamically learned by the switch and are stored in the MAC address table. Static secure MAC addresses are statically configured by network administrators and are stored in the MAC address table, as well as in the switch configuration. Port security can be implemented in the following three ways: Port security is a dynamic Cisco Catalyst switch feature that secures switch ports, and ultimately the CAM table, by limiting the number of MAC addresses that can be learned on a particular port or interface.
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