A network engineer needs to configure a switch port connected to a VoIP phone with a PC connected through the phone. The network policy requires separating voice and data traffic while ensuring voice traffic gets higher priority. Which configuration should be applied to the switch port to support both devices properly?
Configure the port as an access port on the voice VLAN and assign the data VLAN for data traffic
Configure the port as a trunk port allowing both data and voice traffic
Configure the port as an access port on the data VLAN and assign the voice VLAN for voice traffic
Configure the port as a trunk port with the voice VLAN set as native
The correct configuration is to set the port as an access port on the data VLAN and assign the voice VLAN for voice traffic. This setup allows untagged data frames from the PC to be associated with the data VLAN, while the VoIP phone tags its voice frames with the voice VLAN identifier. The switch recognizes and prioritizes the tagged voice traffic accordingly. Configuring the port as a trunk port is unnecessary and can cause issues since end devices like PCs and VoIP phones are not typically configured for trunking. Assigning the voice VLAN as the access VLAN and the data VLAN as the voice VLAN would misclassify the traffic, causing data traffic to be treated as voice and vice versa.
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Cisco CCNA 200-301
Network Access
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