Cisco mac address table learning feature
These MAC addresses are stored in the address table and in the running configuration of the switch. Static secure MAC addresses – configured manually with switchport port-security mac- address mac- address. When you enter this command, the interface converts all the dynamic secure MAC addresses, including those that were dynamically learned before sticky learning was enabled, to sticky secure MAC addresses. To enable sticky learning, enter the switchport port-security mac- address sticky command. They are learned dynamically from the devices connected to the switchport, are put into the address table AND are entered into the running configuration as a static secure MAC address (sometimes referred to as a static sticky MAC address).īeside above, how do I create a sticky MAC address? Allowing the port to continuously learn MAC addresses is a security risk.Īlso Know, what is sticky address learning? Sticky – Sticky secure MAC addresses are a hybrid. Sticky MAC is a port security feature that dynamically learns MAC addresses on an interface and retains the MAC information in case the Mobility Access Switch reboots.
Run this command to enable the switch port:Īlso question is, what is a sticky MAC address?
Cisco mac address table learning feature full#
Run the command: Router(config-if)# no switchport port-security mac-address mac_address. Symptom: sh mac address-table learning shows that it is disabled Cat3850-CSR(config)no mac address-table learning vlan 23