where are dynamically learned mac addresses stored

The static MACĮntries are retained across reboots if you copy the static MAC addressesĬonfiguration to the startup configuration by using theĬopy running-config startup-config command. You cannot configureīroadcast or multicast addresses as static MAC addresses. These static MAC addresses override anyĭynamically learned MAC addresses on those interfaces. Subsequent frames are forwarded toĪ single LAN port without flooding all LAN ports.Īddresses, which are called static MAC addresses, to statically point to When the destination station replies, the relevant MAC source addressesĪnd port IDs are added to the address table. When a frame is received for a MACĭestination address not listed in the address table, the frame is flooded toĪll LAN ports of the same VLAN with the exception of the port that received theįrame. MAC source addresses of the frames received.

Configuration Example for MAC Address TablesĬorrelate the MAC address on a packet with the Layer 2 port information for.

Verifying the MAC Address Table Configuration.

NOTE: The voice keyword is available only if a voice VLAN is first configured on a port and if that port is not the access VLAN.This chapter contains the following sections: Switch(config-if)#switchport port -security mac-address sticky vlan 10 voiceĬonverts all dynamic port security-learned MAC addresses to sticky secure MAC addresses on voice VLAN 10 Switch(config-if)# switchport port -security mac-address stickyĬonverts all dynamic port security-learned MAC addresses to sticky secure MAC addresses Switch(config)#interface fastethernet 0/5 If this file is saved, the sticky MAC addresses will not have to be relearned when the switch is rebooted, providing a high level of switch port security. These addresses are stored in the running configuration file. Sticky MAC addresses limit switch port access to a specific MAC address that can be dynamically learned, as opposed to a network administrator manually associating a MAC addresses with a specific switch port. Sticky MAC addresses are a feature of port security.

Where are dynamically learned mac addresses stored