Why do MAC address entries need to be synchronized between boards and what are functions of real-time and periodic synchronization

Synchronizing MAC address entries ensures that most Layer 2 packets are forwarded based on MAC addresses, reducing broadcasts.

The functions of real-time synchronization and periodic synchronization are:

-Real-time synchronization responds to MAC address changes quickly, but packet loss may occur during synchronization due to the limited processing capacity of the system.

-Periodic synchronization synchronizes MAC address entries at an interval of several seconds. It works with real-time synchronization to ensure that all MAC addresses are synchronized and prevents aging of MAC address entries synchronized from other boards.

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