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What is a MAC VLAN?
A MAC VLAN is a feature that allows network administrators to filter traffic based on the MAC (Media Access Control) address of devices. This feature enables the network switch to apply VLAN configurations based on specific portions of the source MAC address, providing granular control over traffic segmentation.
For example, if you configure the MAC VLAN with the address 00:01:02. The switch will filter traffic using only the first three bytes of the source MAC address. A configuration with 00:01:02:03:04 will filter based on the first five bytes. While 00:01:02:03:04:05 will filter using all six bytes of the source MAC address. This allows for precise traffic management ensuring that only traffic from specific devices or groups of devices are allowed into particular VLANs.
In addition, MAC VLAN also supports Port Priority, which enables administrators to assign priority to specific MAC addresses or VLANs. This feature ensures that higher-priority traffic, such as real-time applications, is processed first, helping to optimize network performance and minimize delays.