What are functions of real-time and scheduled synchronization of MAC addresses of the AR router

MAC address entry synchronization ensures that Layer 2 packets are forwarded based on MAC addresses, reducing broadcast storms.
- Real-time synchronization responds to MAC address changes quickly, but packet loss may occur during synchronization due to the limited processing capability.
- Periodic synchronization synchronizes MAC address entries at the second level. It is used with real-time synchronization to ensure that all MAC addresses can be synchronized and prevents aging of MAC address entries synchronized from other cards.

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