24Tasks at a glance(Optional.) Enabling MAC address synchronization(Optional.) Enable MAC address move notifications• Enable MAC address move notifications (for Release 2307)• Enable MAC address move notifications (for Release 2310 and later)(Optional.) Enabling ARP fast update for MAC address moves(Optional.) Enabling SNMP notifications for the MAC address tableConfiguring MAC address entriesConfiguration guidelines• You cannot configure a dynamic MAC address entry if a learned entry already exists with adifferent outgoing interface for the MAC address.• The manually configured static, blackhole, and multiport unicast MAC address entries cannotsurvive a reboot if you do not save the configuration. The manually configured dynamic MACaddress entries, however, are lost upon reboot whether or not you save the configuration.A frame whose source MAC address matches different types of MAC address entries is differentlyprocessed.Type DescriptionStatic MAC address entry • Discards the frame received on a different interface from that in the entry.• Forwards the frame received on the same interface as that in the entry.Multiport unicast MACaddress entry1. Learns the MAC address of the frame, and generates a dynamic MACaddress entry.2. Forwards the frame based on the multiport unicast MAC address entry. Thisis because a multiport unicast entry has higher priority than a dynamicallylearned one.Dynamic MAC addressentry• Learns the MAC address of the frames received on a different interface fromthat in the entry and overwrites the original entry.• Forwards the frame received on the same interface as that in the entry andupdates the aging timer for the entry.Adding or modifying a static or dynamic MAC address entrygloballyStep Command Remarks1. Enter system view. system-view N/A
