A network administrator is configuring a switch to manage data transport between multiple VLANs. The administrator wants to ensure that each VLAN's traffic is correctly identified and segregated over a shared network link. Which configuration should the administrator apply to meet these requirements?
Set port security to allow only specific MAC addresses
802.1Q tagging allows switches to insert a VLAN tag in the Ethernet frames, specifying the VLAN to which the frame belongs. This tagging enables the frame to be correctly identified and handled by other devices in the network, maintaining traffic segregation between different VLANs on the same network link. Port mirroring, also known as SPAN, does not involve traffic segregation but is used for monitoring purposes. Port security restricts the input to an interface based on MAC address limits, and MTU settings involve the largest packet size that can be sent over a network, neither of which are directly related to VLAN tagging and traffic segregation.
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