![]() ![]() ![]() Sticky MAC with MAC limit prevents Layer 2 denial of service (DoS) attacks, overflow attacks on the Ethernet switching table, and DHCP starvation attacks by limiting the MAC addresses allowed while still allowing the interface to dynamically learn a specified number of MAC addresses. Sticky MAC prevents traffic losses for trusted workstations and servers because the interface does not have to relearn the addresses from ingress traffic after a restart.Įnable Sticky MAC in conjunction with MAC limit to restrict the number of MAC addresses learning. Allowing the port to continuously learn MAC addresses is a security risk. Sticky MAC is an alternative to the tedious and manual configuration of static MAC addresses on a port or to allow the port to continuously learn new MAC addresses after interface-down events. 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. ![]()
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