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#Switchport port security mac address sticky maximum full
#Switchport port security mac address sticky maximum mac

#Switchport port security mac address sticky maximum mac

Port security with sticky MAC addresses provides many of the same benefits as port security with static MAC addresses, but sticky MAC addresses can be learned dynamically. If the port has a link-down condition, all dynamically learned addresses are removed.įollowing bootup, a reload, or a link-down condition, port security does not populate the address table with dynamically learned MAC addresses until the port receives ingress traffic.Ī security violation occurs if the maximum number of secure MAC addresses have been added to the address table and the port receives traffic from a MAC address that is not in the address table.

You can statically configure a number of addresses and allow the rest to be dynamically configured.

You can allow the port to dynamically configure secure MAC addresses with the MAC addresses of connected devices.

You can statically configure all secure MAC addresses by using the switchport port-security mac-address mac_addressinterface configuration command.

If traffic with a secure MAC address that is configured or learned on one secure port attempts to access another secure port in the same VLAN, applies the configured violation mode.Īfter you have set the maximum number of secure MAC addresses on a port, port security includes the secure addresses in the address table in one of these ways:.

When the maximum number of secure MAC addresses is reached on a secure port and the source MAC address of the ingress traffic is different from any of the identified secure MAC addresses, port security applies the configured violation mode.

#Switchport port security mac address sticky maximum full

If you limit the number of secure MAC addresses to one and assign a single secure MAC address, the device attached to that port has the full bandwidth of the port.Ī security violation occurs in either of these situations:

When you assign secure MAC addresses to a secure port, the port does not forward ingress traffic that has source addresses outside the group of defined addresses. You can use port security with dynamically learned and static MAC addresses to restrict a port’s ingress traffic by limiting the MAC addresses that are allowed to send traffic into the port. Port Security with Dynamically Learned and Static MAC Addresses